Jason Murray Kubler (/ˈkblər/ KOOB-lər;[3] born 19 May 1993) is an Australian professional tennis player. He has a career-high ATP singles ranking of No. 63 achieved on 24 April 2023 and a doubles ranking of No. 27 achieved on 22 May 2023. Kubler's career highlight came at the 2023 Australian Open, where he won his first Grand Slam doubles title as a wildcard alongside compatriot Rinky Hijikata.[4]

Jason Kubler
Kubler at the 2022 French Open
Country (sports) Australia
ResidenceBrisbane, Queensland, Australia
Born (1993-05-19) 19 May 1993 (age 31)
Brisbane, Queensland, Australia
Height1.78 m (5 ft 10 in)
Turned pro2011
PlaysRight-handed (two-handed backhand)
CoachJarrad Bunt, Hayden Bishop, Joel Hennessy, Stephen Huss
Prize money$ 2,360,897 [1]
Singles
Career record28–34
Career titles0
Highest rankingNo. 63 (24 April 2023)
Current rankingNo. 190 (6 May 2024)[2]
Grand Slam singles results
Australian Open2R (2023)
French Open2R (2022, 2023)
Wimbledon4R (2022)
US Open2R (2018, 2022)
Doubles
Career record19–19 (Grand Slam, ATP Tour level, and Davis Cup)
Career titles1
Highest rankingNo. 27 (22 May 2023)
Current rankingNo. 176 (6 May 2024)[2]
Grand Slam doubles results
Australian OpenW (2023)
French Open1R (2023)
Wimbledon2R (2023)
Other doubles tournaments
Tour FinalsRR (2023)
Grand Slam mixed doubles results
Australian OpenF (2022)
Wimbledon1R (2023)
Last updated on: 6 May 2024.

Despite a promising junior career, which included the junior world No. 1 ranking and comparisons to Rafael Nadal,[5][6][7][8] Kubler has spent the majority of his professional career on the lower circuits due to a hereditary knee condition that results in weakened meniscus around the joints.[9] The condition has plagued Kubler throughout his career, resulting in six knee surgeries.[10] Kubler also spent four years of his professional career playing exclusively on clay courts to avoid further structural damage to his knees.[9]

Early life

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Kubler was born in Brisbane, Australia to an Australian father and a Filipina mother.[11] His father, John, introduced Kubler to tennis at the age of five,[8] but died of cancer when Kubler was eight years of age.[5] Kubler grew up in the north Brisbane suburb of Mango Hill[12] with an older brother and a younger sister.[13]

Junior career

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In 2009, Kubler became just the second player in history (after Rafael Nadal) to go undefeated through the World Youth Cup and Junior Davis Cup.[5] Following his success at the Junior Davis Cup, Kubler won five titles in a row which saw his junior ranking rise to No. 3 in the world.

Kubler won six junior titles throughout his career and achieved the combined No.1 world ranking in May 2010 with a win–loss record of 67–17 in singles and 40–19 in doubles.

Professional career

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2008–13: Early career and injury concerns

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Kubler made his professional debut in September 2008 at the Australia F7 Futures event on the ITF Men's Circuit, the third tier for men's professional tennis. Kubler won through qualifying to make his main draw professional debut but lost in the first round to compatriot Marinko Matosevic.[14]

In 2010, following continued success on the junior circuit, Kubler was granted wildcards into the Brisbane International and Sydney International qualifying draws, but failed to win a match at either event. He was then awarded a wildcard to make his ATP Tour and Grand Slam debut at the 2010 Australian Open. Drawn against 24th seed Ivan Ljubičić, Kubler was handily beaten 6–2 6–1 6–1 in a lacklustre display.

In April, Kubler won the first main draw professional match of his career at the Australia F3 Futures event in Ipswich, where he went on to make the final, losing to Brydan Klein.[15] Kubler's best results for the remainder of 2010 were a string of semi-final appearances at Netherlands F2, Italy F23, Portugal F5 and Spain F37 Futures events. He finished the season ranked No. 535 in the world.

Kubler missed the start of the 2011 Australian summer of tennis due to a knee injury.[16] Further injuries during the year limited his play before he won the first professional title of his career at the USA F28 Futures event in Birmingham, defeating Yoshihito Nishioka in the final.[17] Kubler won his second professional title the next week at the USA F29 Futures event in Niceville, salvaging an otherwise frustrating year with injury. He finished the 2011 season ranked No. 530 in the world.

Kubler began the 2012 season by entering four Futures tournaments in Florida after again bypassing the Australian summer. Kubler lost in the final of USA F1 to Jack Sock and USA F3 to Brian Baker before winning the USA F4 event in Palm Coast to cap off a promising start to the year. Kubler returned to Australia in March, where he lost the final of the Australia F3 event against Sam Groth but defeated John Millman to claim the Australia F4 title in Bundaberg. Kubler then travelled to Europe, to compete in further Futures tournaments and the first Challenger events of his career, where he made a quarter-final at the Todi Challenger in September. Following more success on the Futures tour, Kubler's world ranking steadily rose, peaking at a career-high No. 268 on 29 October 2012. He ended the 2012 season ranked No. 332 in the world.

In 2013, Kubler played in Futures tournaments throughout the United States, Spain, Great Britain, Australia, Italy and Egypt, but only on clay due to ongoing knee concerns. He won three Futures tournaments for the year, however his ranking dipped to No. 397 to end the season.

2014: Top 150 and exclusive clay court play

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Kubler again chose to miss the Australian summer of tennis, opting to play Futures events in Egypt and Spain. He entered six tournaments during this stretch, making the final of three and winning one. In March, Kubler qualified for the main draw of Challenger events in Panama and Barranquilla, but failed to win a match at either tournament. In April, he competed in further Challenger events in Savannah and Tallahassee, making the second round at both tournaments. In May, Kubler qualified for the ATP event in Düsseldorf, his first ATP World Tour event since the 2010 Australian Open. He won his first tour-level match by defeating Alessandro Giannessi, before losing to Denis Istomin in the second round.[18] In June, Kubler returned to the Futures circuit and defeated the number one seed Kimmer Coppejans in the final of the Netherlands F3 in Breda. He broke into the top 200 for the first time on 25 August 2014 at No. 197. In September, Kubler made the quarter-final of the Biella Challenger and the following week, he won the Sibiu Challenger defeating Radu Albot in the final[19] This was the first Challenger title of his career.[20] In November, Kubler reached the final of the Lima Challenger, losing to Guido Pella. On 24 November, Kubler reached a career high ranking of No. 136 before finishing the 2014 season with a world ranking of No. 140. Kubler played a total of 29 tournaments in 14 countries in 2014, all of which were on clay, due to his ongoing knee problems.[21]

2015–16: Rankings decline and further knee injuries

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Kubler at the 2015 Wimbledon
qualifying tournament

Kubler skipped the Australian summer of tennis for a fifth consecutive year. He instead played a variety of Challenger events across South and North America, his best result being a quarter-final appearance in Sarasota. In May, Kubler attempted to qualify for the French Open, but lost in the first round to Tim Pütz. This was Kubler's first appearance at a Grand Slam event in five years, albeit in the qualifying tournament. In June, Kubler entered the qualifying tournament at Wimbledon, marking his first competitive appearance on the grass in three years.[22] He defeated Rui Machado in straight sets in round 1 but was eliminated in the second round by Aleksandr Nedovyesov, who went on to qualify for the main draw. In September, Kubler attempted to qualify for the US Open, but lost in the opening round to Facundo Bagnis. This was Kubler's first competitive hard court appearance at any professional level in five years. Following the US Open, Kubler underwent knee surgery.[10] A lacklustre year on the court and limited tournament play saw Kubler's ranking freefall to No. 544 to end the 2015 season.

After rehabbing from knee surgery, Kubler commenced the 2016 season by playing several Futures events in North America. He reached the quarter-final of USA F6 and semi-final of USA F8 in February. At USA F9 in March, Kubler retired in the first round. In May, just eight months after his last surgery, Kubler underwent the sixth knee operation of his career which side lined him for the rest of 2016.[23] As a result, Kubler finished the year ranked outside the world's top 1000.

2017: Comeback from injury

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After a year out of the game and without a world ranking, Kubler returned to professional tennis in March at the Australia F2 and F3 Futures events in Canberra. In the lead up to the events, Kubler was frank about his future in the sport, commenting that another knee operation would likely mark the end of his career.[24] After little success in Canberra, Kubler travelled to Europe in April for Futures events in Spain and Italy. Although Kubler managed to make a semi-final appearance at Spain F12, the highlight of his European trip was a doubles title with compatriot Alex Bolt at the Italy F14 tournament. This was Kubler's first professional trophy of any kind since 2014.

In October, Kubler won through qualifying at the Traralgon ATP Challenger and made a remarkable run to the final after defeating two former top 100 players in Taro Daniel and Matthew Ebden. He defeated Alex Bolt in the final to claim his first Challenger title since 2014, which skyrocketed his ranking inside the world's top 350. Kubler was expected to compete in the Australian Wildcard Playoff in December for a spot in the 2018 Australian Open, but ultimately withdrew alongside a host of top-seeded players.[25] Kubler finished the year ranked No. 341 in the world.

2018: Grand Slam return and Top 100 debut

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Kubler started his 2018 campaign at the Playford Challenger in South Australia, which he won after qualifying. The victory saw Kubler move inside the world's top 250 for the first time since 2015. Following an impressive run of form and a huge improvement in ranking over the past six months, Kubler was awarded the final wildcard into the 2018 Australian Open, his first Grand Slam appearance in eight years.[26] Kubler faced 10th seed Pablo Carreño Busta in the first round, where he lost in a highly competitive four-set match. Kubler showed plenty of promise in the match, leading by a break in both the first and third sets, but failed to capitalise on his opportunities. Following the Australian Open, Kubler competed in nine Challenger events across Australia and Asia from February to May. His best results through this stretch included three semi-final appearances at the Burnie International, Quijing International and Seoul Open. Kubler improved his world ranking to No. 160 following the Asian swing, his best world ranking in three years.

At the French Open, Kubler lost in the first round of qualifying to Gonçalo Oliveira. Following the French Open, Kubler proceeded to lose in the first round at his next three Challenger tournaments before making a semi-final run at the Ilkey Trophy, where he eventually lost to Oscar Otte. The result saw Kubler return to the world's top 150 for the first time in more than three years.

Kubler then entered the Wimbledon qualifying tournament and showed good form through his first two matches, defeating Arthur De Greef and Adam Pavlásek. In the final round of qualifying, Kubler defeated Canadian journeyman Peter Polansky in four-sets to qualify for the Wimbledon main-draw for the first time in his career. Heading into Wimbledon, Kubler's remarkable comeback journey started to gain attention and his story was captured by the ATP in a video feature titled "The Comeback Story of Jason Kubler".[27] Kubler faced unseeded Argentinian Guido Pella in the first round, where he lost in four close sets. Following Wimbledon, Kubler entered the Winnipeg Challenger. As the fourth seed, Kubler dropped just one-set the whole tournament to claim his second Challenger title of the year, defeating Lucas Miedler in the final. The result saw Kubler move to No. 114 in the ATP rankings, eclipsing the career high he set way back in November 2014. To finish his Canadian tour, Kubler made the semi-final of the Gatineau Challenger before withdrawing from the Granby Challenger with knee soreness.

Kubler then attempted to qualify for the Washington Open, an ATP 500 event. Despite losing in the final round of qualifying, Kubler was granted entry into the main draw as a lucky loser after Nick Kyrgios withdrew with a hip injury. Taking Kyrgios' seeding, Kubler progressed through to the second round via a bye before losing in a third set tie-breaker to fellow Australian James Duckworth. In August, Kubler was granted a reciprocal wildcard into the US Open.[28] In the lead up to the tournament, Kubler competed in the Vancouver Open on the Challenger circuit, where he was defeated by Dan Evans in the final. The result propelled Kubler into the top 100 for the first time, marking an 841 place ranking rise in the past 12 months.[29] At the US Open, Kubler upset 19th seed Roberto Bautista Agut in straight sets in the first round to claim the first main draw grand slam win of his career.[30] In the second round, Kubler was forced to retire in the fourth-set against American Taylor Fritz after rolling his ankle, which inadvertently caused further problems with his knees.[31][32]

Kubler finished the season ranked No. 114 in the world.

2019: Early struggles, rankings decline and injury

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Kubler was expected to compete in the Brisbane International, but withdrew from the event due to knee soreness.[33] Kubler then attempted to qualify for the Sydney International, but fell in the first round to third seed Yoshihito Nishioka. For the second consecutive year, Kubler was awarded a wildcard into the 2019 Australian Open.[34] With limited tournament preparation, Kubler was defeated in the first round of the Australian Open by unseeded Italian Thomas Fabbiano in four sets.

Following a three-month break from the tour due to knee ailments,[35] Kubler returned in mid-April at the Kunming Challenger where he was defeated by James Duckworth in the third round. At the 2019 French Open, Kubler attempted to qualify but was defeated in the second round by Viktor Troicki. At Wimbledon, Kubler won through his first two matches in qualifying but fell at the last hurdle to Yasutaka Uchiyama in five sets. Following his poor results, Kubler's ranking dipped to No. 211 in the world. In July, Kubler made back-to-back finals on the Challenger tour in Winnetka and Gatineau. Kubler lost the Winnetka final to top-seeded American Bradley Klahn but bounced back to win the Gatineau tournament without dropping a set. The result helped steer Kubler back inside the top 200 at No. 189 in the ATP rankings. Kubler was expected to contest the Challenger event in Granby, but withdrew due to a wrist injury.

Kubler played no further tournaments in 2019 and finished with the year ranked No. 261 in the world.

2020–21: Limited play due to COVID-19 pandemic, sixth Challenger title

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Following a first-round exit in Australian Open qualifying, Kubler made a run to the semi-final of the Burnie Challenger before losing to Yannick Hanfmann in straight sets. Kubler played three further Challenger events before the Tour was suspended until the end of July due to the COVID-19 pandemic.[36] Kubler returned to Australia following the suspension and predominately played tournaments in the UTR Pro Tennis Series. He ended the 2020 season ranked No. 259 in the world.

Kubler started the 2021 season at the Murray River Open on the ATP Tour after receiving a wildcard entry. At the tournament he scored an upset victory over 9th seeded Italian Lorenzo Sonego in three sets, his first in an ATP main draw since the 2018 US Open. He lost in the second round to Ričardas Berankis. Kubler then attempted to qualify for the 2021 Australian Open, but was defeated in the second round by Sergiy Stakhovsky.

In July, he reached the final of the Nur-Sultan II Challenger, but retired early in the second set against Andrey Kuznetsov. The following week at the Lexington Challenger Kubler won the sixth Challenger title of his career, defeating Alejandro Tabilo in three-sets.

In August 2021, Kubler tested positive for COVID-19.[37] He returned to the tour in September, but failed to progress beyond the second round in any tournament for the remainder of the season.

Kubler ended 2021 ranked No. 206 in the world.

2022: Mixed doubles Major & ATP doubles finals, Wimbledon fourth round, first Top 10 win

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Kubler during the ITF M25 tournament played in Canberra

Kubler attempted to qualify for the 2022 Australian Open, but was eliminated in the second round by Tomás Martín Etcheverry. Kubler was awarded a pair of wildcards into the doubles and mixed doubles events however, with compatriots Christopher O'Connell and Jaimee Fourlis respectively. Kubler and O'Connell reached the third round as a pairing before withdrawing from the event. In the mixed doubles event, Kubler and Fourlis went on a fairy tale run to make the final and were bidding to become the first all-Australian duo to win the mixed doubles championship since 2013, but were ultimately defeated by fifth seeds Kristina Mladenovic and Ivan Dodig.[38]

In late March and early April, Kubler won back-to-back Futures events in Canberra and in May made the semi-final of the Zagreb Challenger. The results steered his ranking inside the top 200.

On his 29th birthday, Kubler qualified for the main draw of the 2022 French Open for the first time, and was the only Australian to qualify at the 2022 event.[39][40] Kubler scored his first main draw Grand Slam win since the 2018 US Open when he defeated Denis Kudla in straight sets. He lost in the second round to 10th seed Cameron Norrie. Kubler moved to No. 119 in the world following Roland Garros.

In June, Kubler won the seventh Challenger title of his career at Little Rock, defeating Taiwan's Wu Tung-lin in the final. The following week he reached the final of the Orlando Challenger, but retired during the third-set due to stomach issues.[41] The results propelled Kubler back in the top 100 for the first time since October 2018, when he peaked at world No. 91.[42]

After narrowly missing out on direct entry into Wimbledon, Kubler entered the qualifying tournament as the second seed. He needed a deciding set in his first two matches to progress, but cruised past Elias Ymer in straight sets during the final round to confirm his place in the main draw. It was the second time Kubler qualified for Wimbledon, having done so in 2018.[43] Kubler faced British 28th seed Dan Evans in the first round, defeating the home crowd favourite in straight sets. This was Kubler's first main draw win at Wimbledon in his career.[44] In the second round, he defeated fellow qualifier Dennis Novak in straight sets to reach the third round of a Grand Slam for the first time in his career. His dream run continued in the third round, defeating Jack Sock in five sets to reach the second week of a Grand Slam for the first time.[45] In the fourth round, Kubler was defeated by 11th seeded American Taylor Fritz in straight sets. Kubler's result at Wimbledon earned him the biggest payday of his career, taking home £190,000 (US$230,000).[46] Despite his fourth round appearance, Kubler slid outside the top 100 due to the removal of ranking points at the 2022 Championships. The ATP, WTA and ITF all stripped the tournament of ranking points, following the All England Lawn Tennis Club's decision to ban Russian and Belarusian players from competing.[47]

At the Hall of Fame Open Kubler defeated compatriot Jordan Thompson in straight sets in the first round. He then defeated top seed and World No. 9 Félix Auger-Aliassime in three sets to reach his first ATP quarterfinal, saving a match point in the process during the final set tiebreak. The victory over Auger-Aliassime also marked his first career Top 10 win.[48] He then defeated compatriot James Duckworth in straight sets to reach his maiden ATP semifinal, where he lost to 3rd seed Alexander Bublik. Later that month, at the 2022 Atlanta Open, Kubler reached the final in doubles with compatriot John Peers, but lost to second seeded Australian duo Thanasi Kokkinakis and Nick Kyrgios.

At the US Open, Kubler defeated Mikael Ymer in four sets in the first round, his first main draw win at the event since 2018. In the second round, Kubler was defeated by American 22nd seed and eventual semi-finalist Frances Tiafoe in straight sets. In September, at the San Diego Open, Kubler reached his second ATP doubles final of the season, this time with fellow Australian Luke Saville. They lost in the final to American duo Nathaniel Lammons and Jackson Withrow in straight sets.

Kubler finished the 2022 season ranked No. 107 in the world, the best end-of-year ranking of his career.

2023–24: Australian Open champion, Masters singles debut & third round, career-high rankings, hiatus

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Kubler made his 2023 United Cup debut representing team Australia, following the withdrawal of Nick Kyrgios from the event.[49] In the group stage, Kubler defeated World No. 27 Dan Evans and World No. 39 Albert Ramos Viñolas in his rubbers. Despite his strong results, Australia failed to progress past the group stage. Following his performance, Kubler returned to the top 100, rising to a career-high ranking of No. 86 in the world. At the Adelaide International 2 event, Kubler received a wildcard into the main draw and continued his good form, defeating Tomás Martín Etcheverry in the first round. He was then defeated by the 6th seed, Miomir Kecmanovic in three tight sets.

Kubler received a wildcard into the 2023 Australian Open, marking his first appearance at the event in four years. In the first round, he defeated Sebastián Báez in straight sets, his first main draw win at the Australian Open in his career. In the second round, he lost in four sets to Russian 18th seed Karen Khachanov. In the doubles event, Kubler and fellow Australian Rinky Hijikata entered the tournament as wildcards. The pair made a run through the draw to reach their first major final, recording notable wins over three seeded teams, sixth seeds Lloyd Glasspool and Harri Heliövaara in the second round, world No. 1 duo Wesley Koolhof and Neal Skupski in the quarterfinals[50] and eight seeds Marcel Granollers and Horacio Zeballos in the semifinals. The pair also saved a match point in the third round against Tomislav Brkić and Gonzalo Escobar.[51] Kubler and Hijikata defeated Hugo Nys and Jan Zieliński in the final to win their maiden Grand Slam title, becoming the fifth unseeded team to win an Australian Open men's doubles title in the Open era and only the second as wildcards.[52] The result propelled Kubler 130 places up the doubles rankings to a career-high No. 33 in the world. Kubler also achieved a career-high ranking in singles following the Australian Open, at No. 79 in the world.

In February, Kubler returned to the ATP Tour at the Qatar Open, where he lost in the second round to second seed Félix Auger-Aliassime.

In March he made his Masters 1000 debut at the 2023 BNP Paribas Open where he reached the third round defeating 21st seed Grigor Dimitrov after his retirement.

In April, at the 2023 U.S. Men's Clay Court Championships, he reached the quarterfinals defeating wildcard Fernando Verdasco and Daniel Elahi Galán. Following the 2023 Barcelona Open Banc Sabadell he reached a career-high singles ranking of No. 63 on 24 April 2023. In doubles, following the 2023 Italian Open where he reached the quarterfinals with Alex de Minaur, he reached a career-high doubles ranking of No. 27 on 22 May 2023.

At the 2024 Australian Open, where he entered as a wildcard, he lost this time to Daniel Elahi Galan, who needed almost five hours to the minute to win his first round match.[53]

Performance timelines

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Key
W  F  SF QF #R RR Q# DNQ A NH
(W) winner; (F) finalist; (SF) semifinalist; (QF) quarterfinalist; (#R) rounds 4, 3, 2, 1; (RR) round-robin stage; (Q#) qualification round; (DNQ) did not qualify; (A) absent; (NH) not held; (SR) strike rate (events won / competed); (W–L) win–loss record.
To avoid confusion and double counting, these charts are updated at the conclusion of a tournament or when the player's participation has ended.

Singles

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Current through the 2024 French Open.

Tournament 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 SR W–L Win %
Grand Slam tournaments
Australian Open 1R A A A A A A A 1R 1R Q1 Q2 Q2 2R 1R 0 / 5 1–5 17%
French Open A A A A A Q1 A A Q1 Q2 A A 2R 2R A 0 / 2 2–2 50%
Wimbledon A A A A A Q2 A A 1R Q3 NH A 4R 2R A 0 / 3 4–3 57%
US Open A A A A A Q1 A A 2R A A A 2R 1R A 0 / 3 2–3 40%
Win–loss 0–1 0–0 0–0 0–0 0–0 0–0 0–0 0–0 1–3 0–1 0–0 0–0 5–3 3–4 0–1 0 / 13 9–13 41%
National representation
Davis Cup A A A A A A A A A A A A F A 0 / 1 1–1 50%
ATP Masters 1000
Indian Wells Masters A A A A A A A A A A NH Q1 A 3R A 0 / 1 2–1 67%
Miami Open A A A A A A A A A A NH A A 1R A 0 / 1 0–1 0%
Madrid Open A A A A A A A A A A NH A A 1R 0 / 1 0–1 0%
Italian Open A A A A A A A A A A A A A 2R 0 / 1 1–1 50%
Canadian Open A A A A A A A A A A NH A Q1 A 0 / 0 0–0
Cincinnati Masters A A A A A A A A A A A A A Q2 0 / 0 0–0
Win–loss 0–0 0–0 0–0 0–0 0–0 0–0 0–0 0–0 0–0 0–0 0–0 0–0 0–0 3–4 0 / 4 3–4 43%
Career statistics
2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 Career
Tournaments 1 0 0 0 1 0 0 0 4 1 0 1 8 10 2 26
Overall win–loss 0–1 0–0 0–0 0–0 1–1 0–0 0–0 0–0 1–4 0–1 0–0 1–1 11–9 12–10 1–2 26–27
Year-end ranking 535 530 332 397 140 544 1060 341 113 261 259 206 107 102 49%

Doubles

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Tournament 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 SR W–L Win %
Grand Slam tournaments
Australian Open 1R A A A A A A A A A A A 3R[a] W 2R 1 / 4 9–2 88%
French Open A A A A A A A A A A A A A 1R 0 / 1 0–1 0%
Wimbledon A A A A A A A A A A NH A A 2R 0 / 1 1–1 50%
US Open A A A A A A A A A A A A A A 0 / 0 0–0 0%
Win–loss 0–1 0–0 0–0 0–0 0–0 0–0 0–0 0–0 0–0 0–0 0–0 0–0 2–0 7–2 1–1 1 / 6 10–4 75%
Year-end championship
ATP Finals Did not qualify RR 0 / 1 0–3 0%
ATP Masters 1000
Indian Wells Masters A A A A A A A A A A NH A A 1R A 0 / 1 0–1 0%
Miami Open A A A A A A A A A A NH A A 1R A 0 / 1 0–1 0%
Madrid Open A A A A A A A A A A NH A A 1R 0 / 1 0–1 0%
Italian Open A A A A A A A A A A A A A QF 0 / 1 2–1 33%
Win–loss 0–0 0–0 0–0 0–0 0–0 0–0 0–0 0–0 0–0 0–0 0–0 0–0 0–0 2–4 0–0 0 / 4 2–4 33%
Career statistics
2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 Career
Tournaments 1 0 0 0 0 0 0 0 0 0 0 1 4 7 2 18
Titles 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1
Finals 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 3
Overall win–loss 0–1 0–0 0–0 0–0 0–0 0–0 0–0 0–0 0–0 0–0 0–0 0–1 8–3 11–13 1–2 20–20
Year-end ranking 1310 817 532 681 320 1156 580 160 29 50%
  1. ^ Kubler and O'Connell withdrew before the third round of the 2022 Australian Open which does not count as a loss.

Grand Slam finals

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Men's doubles: 1 (1 title)

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Result Year Tournament Surface Partner Opponents Score
Win 2023 Australian Open Hard   Rinky Hijikata   Hugo Nys
  Jan Zieliński
6–4, 7–6(7–4)

Mixed doubles: 1 (1 runner-up)

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Result Year Tournament Surface Partner Opponents Score
Loss 2022 Australian Open Hard   Jaimee Fourlis   Kristina Mladenovic
  Ivan Dodig
3–6, 4–6

ATP Tour career finals

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Doubles: 3 (1 title, 2 runner-ups)

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Legend (doubles)
Grand Slam tournaments (1–0)
ATP Finals (0–0)
ATP Tour Masters 1000 (0–0)
ATP Tour 500 Series (0–0)
ATP Tour 250 Series (0–2)
Finals by surface
Hard (1–2)
Clay (0–0)
Grass (0–0)
Finals by setting
Outdoor (1–2)
Indoor (0–0)
Result W–L    Date    Tournament Tier Surface Partner Opponents Score
Loss 0–1 Jul 2022 Atlanta Open,
United States
250 Series Hard   John Peers   Thanasi Kokkinakis
  Nick Kyrgios
6–7(4–7), 5–7
Loss 0–2 Sep 2022 San Diego Open,
United States
250 Series Hard   Luke Saville   Nathaniel Lammons
  Jackson Withrow
6–7(5–7), 2–6
Win 1–2 Jan 2023 Australian Open,
Australia
Grand Slam Hard   Rinky Hijikata   Hugo Nys
  Jan Zieliński
6–4, 7–6(7–4)

ATP Challenger and Futures/ITF World Tennis Tour finals

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Singles: 36 (20 titles, 16 runner-ups)

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Legend (singles)
ATP Challenger Tour (8–5)
Futures/ITF World Tennis Tour (12–11)
Finals by surface
Hard (6–6)
Clay (13–10)
Grass (1–0)
Carpet (0–0)
Result W–L    Date    Tournament Tier Surface Opponent Score
Loss 0–1 May 2010 Australia F3, Ipswich Futures Clay   Brydan Klein 3–6, 4–6
Win 1–1 Oct 2011 USA F28, Birmingham Futures Clay   Yoshihito Nishioka 6–3, 6–2
Win 2–1 Nov 2011 USA F29, Niceville Futures Clay   Roman Vögeli 6–2, 6–4
Loss 2–2 Jan 2012 USA F1, Plantation Futures Clay   Jack Sock 1–6, 6–7(5–7)
Loss 2–3 Jan 2012 USA F3, Weston Futures Clay   Brian Baker 5–7, 3–6
Win 3–3 Feb 2012 USA F4, Palm Coast Futures Clay   Rhyne Williams 6–2, 6–3
Loss 3–4 Mar 2012 Australia F3, Ipswich Futures Clay   Samuel Groth 7–5, 3–6, 2–6
Win 4–4 Apr 2012 Australia F4, Bundaberg Futures Clay   John Millman 6–4, 1–6, 6–1
Loss 4–5 Jul 2012 Turkey F25, Izmir Futures Clay   Lorenzo Giustino 4–6, 6–3, 5–7
Loss 4–6 Sep 2012 Spain F30, Sevilla Futures Clay   Gerard Granollers Pujol 0–6, 6–4, 1–6
Loss 4–7 Mar 2013 Australia F5, Bundaberg Futures Clay   James Duckworth 6–7(9–11), 2–6
Win 5–7 Apr 2013 Italy F4, Padova Futures Clay   Jordi Samper Montaña 6–1, 6–4
Win 6–7 Nov 2013 Spain F37, Madrid Futures Clay   Jean-Marc Werner 7–6(7–5), 6–0
Win 7–7 Dec 2013 Egypt F36, Sharm El Sheikh Futures Clay   Sherif Sabry 7–5, 6–3
Loss 7–8 Feb 2014 Egypt F3, Sharm El Sheikh Futures Clay   Stefano Travaglia 0–6, 0–6
Win 8–8 Feb 2014 Spain F1, Paguera Futures Clay   Peter Heller 6–4, 6–4
Loss 8–9 Feb 2014 Spain F2, Paguera, Spain Futures Clay   Oriol Roca Batalla 6–2, 3–6, 3–6
Win 9–9 Jun 2014 Netherlands F3, Breda Futures Clay   Kimmer Coppejans 6–3, 6–7(8–6), 6–3
Win 10–9 Jul 2014 Italy F24, Fano Futures Clay   Daniele Giorgini 6–1, 5–7, 6–3
Win 11–9 Sep 2014 Sibiu, Romania Challenger Clay   Radu Albot 6–4, 6–1
Loss 11–10 Nov 2014 Lima, Peru Challenger Clay   Guido Pella 2–6, 4–6
Loss 11–11 Oct 2017 Australia F6, Toowoomba Futures Hard   Andrew Harris 4–6, 0–6
Loss 11–12 Oct 2017 Australia F7, Cairns Futures Hard   Dayne Kelly 3–6, 6–7
Win 12–12 Oct 2017 Traralgon, Australia Challenger Hard   Alex Bolt 2–6, 7–6(8–6), 7–6(7–3)
Win 13–12 Jan 2018 Playford, Australia Challenger Hard   Brayden Schnur 6–4, 6–2
Win 14–12 Jul 2018 Winnipeg, Canada Challenger Hard   Lucas Miedler 6–1, 6–1
Loss 14–13 Jul 2018 Vancouver, Canada Challenger Hard   Dan Evans 6–4, 5–7, 6–7(3–7)
Loss 14–14 Jul 2019 Winnetka, USA Challenger Hard   Bradley Klahn 2–6, 5–7
Win 15–14 Jul 2019 Gatineau, Canada Challenger Hard   Enzo Couacaud 6–4, 6–4
Loss 15–15 Jul 2021 Nur-Sultan, Kazakhstan Challenger Hard   Andrey Kuznetsov 3–6, 1–2 ret.
Win 16–15 Jul 2021 Lexington, USA Challenger Hard   Alejandro Tabilo 7–5, 6–7(2–7), 7–5
Win 17–15 Mar 2022 Canberra, Australia World Tennis Tour Clay   Tristan Schoolkate 7–6(7–3), 6–1
Win 18–15 Apr 2022 Canberra, Australia World Tennis Tour Clay   Omar Jasika 1–6, 6–3, 7–6(7–4)
Win 19–15 Jun 2022 Little Rock, USA Challenger Hard   Wu Tung-lin 6–0, 6–2
Loss 19–16 Jun 2022 Orlando, USA Challenger Hard   Wu Yibing 7–6(7–5), 4–6, 1–3 ret.
Win 20–16 Jun 2023 Ilkley, United Kingdom Challenger Grass   Sebastian Ofner 6–4, 6–4

Doubles: 7 (6 titles, 1 runner-up)

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Legend (doubles)
ATP Challenger Tour (1–1)
Futures/ITF World Tennis Tour (5–0)
Finals by surface
Hard (0–1)
Clay (6–0)
Grass (0–0)
Carpet (0–0)
Result W–L    Date    Tournament Tier Surface Partner Opponents Score
Win 1–0 Oct 2013 Spain F35, El Prat de Llobregat Futures Clay   Pol Toledo Bagué   Jordi Muñoz Abreu
  Mark Vervoort
6–2, 4–6, [10–6]
Win 2–0 Dec 2013 Egypt F36, Sharm El Sheikh Futures Clay   Jean-Marc Werner   Dmytro Badanov
  Yan Sabanin
7–6(7–2), 7–6(8–6)
Win 3–0 Feb 2014 Spain F2, Peguera Futures Clay   Pol Toledo Bagué   Oriol Roca Batalla
  Jean-Marc Werner
6–1, 6–3
Win 4–0 Mar 2014 Spain F5, Reus Futures Clay   Pol Toledo Bagué   Ivan Gómez Mantilla
  Gonçalo Oliveira
6–4, 6–1
Win 5–0 May 2017 Italy F14, Frascati Futures Clay   Alex Bolt   Federico Maccari
  Andrea Vavassori
6–1, 7–6(8–6)
Loss 5–1 Jan 2018 Playford, Australia Challenger Hard   Maverick Banes   Mackenzie McDonald
  Tommy Paul
6–7(4–7), 4–6
Win 6–1 May 2023 Aix-en-Provence, France Challenger Clay   John Peers   Nuno Borges
  Francisco Cabral
6–7(5–7), 6–4, [10–7]

Record against top 10 players

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Kubler's record against players who have been ranked in the top 10, with those who are active in boldface. Only ATP Tour main draw matches are considered:

Player Record Win % Hard Clay Grass Last Match
Number 1 ranked players
  Rafael Nadal 0–1 0% 0–1 Lost (1–6, 2–6) at 2024 Brisbane
Number 3 ranked players
  Grigor Dimitrov 1–0 100% 1–0 Won (2–6, 7–6(7–5), 3–0 ret.) at 2023 Indian Wells
  Ivan Ljubičić 0–1 0% 0–1 Lost (1–6, 2–6, 2–6) at 2010 Australian Open
Number 5 ranked players
  Taylor Fritz 0–2 0% 0–1 0–1 Lost (3–6, 1–6, 4–6) at 2022 Wimbledon
Number 6 ranked players
  Félix Auger-Aliassime 1–1 50% 0–1 1–0 Lost (6–4, 1–6, 4–6) at 2023 Doha
Number 7 ranked players
  Richard Gasquet 0–1 0% 0–1 Lost (2–6, 4–6) at 2022 Davis Cup
Number 8 ranked players
  Jack Sock 1–0 100% 1–0 Won (6–2, 4–6, 5–7, 7–6(7–3), 6–3) at 2022 Wimbledon
  Karen Khachanov 0–1 0% 0–1 Lost (4–6, 7–5, 4–6, 2–6) at 2023 Australian Open
  Cameron Norrie 0–1 0% 0–1 Lost (3–6, 4–6, 3–6) at 2022 French Open
Number 9 ranked players
  Roberto Bautista Agut 1–0 100% 1–0 Won (6–3, 6–3, 6–4) at 2018 US Open
  Fabio Fognini 0–1 0% 0–1 Lost (4–6, 6–7(5–7), 2–6) at 2023 French Open
Number 10 ranked players
  Pablo Carreño Busta 0–1 0% 0–1 Lost (5–7, 6–4, 5–7, 1–6) at 2018 Australian Open
Total 4–10 28.57% 2–7
(22.22%)
0–2
(0%)
2–1
(66.67%)
* Statistics correct as of 4 January 2024.

Wins over top 10 players

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Kubler has a 1–1 record against players who were ranked in the top 10 at the time the match was played.

Season 2022 2023 Total
Wins 1 0 1
# Player Rank Event Surface Rd Score JKR
2022
1.   Félix Auger-Aliassime 9 Newport, United States Grass 2R 4–6, 6–3, 7–6(7–4) 102

References

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  53. ^ "Five-set fever: A record-breaking opening round at AO 2024".
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