is an Australian professional tennis player. He has a career-high ATP singles ranking of world No. 62 achieved on 26 August 2024 and a best doubles ranking of No. 23 reached on 30 October 2023.

His best achievement is a major doubles title at the 2023 Australian Open, playing with countryman Jason Kubler.

Early life Hijikata was born in Sydney, Australia to Japanese immigrant parents. He began playing tennis at age three or four. He attended The King's School in Sydney from 2013 to 2016. His father is a tennis coach. His favourite player growing up was Lleyton Hewitt and later, Kei Nishikori.

College career Hijikata had a successful career at the University of North Carolina where he played college tennis for the North Carolina Tar Heels men's tennis from 2019 to 2021.

Professional career

2018–2021: Pro beginnings

In March 2018, Hijikata made his ITF debut at the Australia F3 in Mornington, Australia. He won his first match the following week at the Australia F4.

In October 2018, Hijikata won silver at the Tennis at the 2018 Summer Youth Olympics – Boys' doubles, teaming with Bulgaria's Adrian Andreev.

In January 2019, Hijikata was given a wildcard into the 2019 Australian Open – Men's singles qualifying. He lost in the first round to Hiroki Moriya. In March, Hijikata reached the quarterfinals and semifinals in the ITF events in Mornington, Australia. Later that year, in September, Hijikata won his first professional singles title at the M15 Fayetteville, in Arkansas, United States.

Hijikata received wildcards into qualifying for the Australian Open in both 2020 and 2021, losing in the second round both times.

Hijikata won his second and third ITF titles in July 2021 and claimed a total of four ITF World Tennis Tour singles titles during 2021. He finished 2021 with a singles ranking of 369 as of 22 November 2021.

2022: ATP & Major debut, Maiden win & Challenger title, top 200 In January 2022, Hijikata made his ATP tour debut at the 2022 Melbourne Summer Set 1 after qualifying for the main draw. It was also Hijikata's first top 100 win, defeating world number 98 Henri Laaksonen in the final qualifying round. He lost in the first round to eventual finalist, Maxime Cressy. He also played doubles with Christopher O'Connell.

Hijikata lost in the second round of the 2022 Australian Open – Men's singles qualifying.

In April, Hijikata broke into the ATP top 300 after winning consecutive ITF tournaments in California in March 2022.

In August, he qualified for the 2022 Los Cabos Open and reached the round of 16 recording his first ATP win after the retirement of the Mexican wildcard debutant Rodrigo Pacheco Méndez. He lost to top seed and World No. 1 Daniil Medvedev who recorded his 250th match win. As a result, he moved one position shy of the top 200 on 8 August 2022. He made his Grand Slam debut at the US Open as a wildcard.

Hijikata won his maiden Challenger title in Playford, Australia and moved 33 positions up into the top 160 at world No. 159 on 31 October 2022. He became the youngest Australian to win a Challenger title since 2018, when the-then 19-year-old Alexei Popyrin won in Jinan, China.

2023: Major doubles title & top 25, Masters singles debut & top 75 Hijikata was given a wildcard into the Australian Open, where he recorded his first Grand Slam win by defeating Yannick Hanfmann in a come-from-behind victory. He lost in the second round to third seed Stefanos Tsitsipas. Pairing with Jason Kubler in the men's doubles event, they won the title after defeating three seeded teams en route; sixth seeds Lloyd Glasspool and Harri Heliövaara in the second round, saved a match point in the third round against Tomislav Brkić and Gonzalo Escobar, top seeds and world No. 1 doubles pair Wesley Koolhof and Neal Skupski in the quarterfinals, and eighth seeds Marcel Granollers and Horacio Zeballos in the semifinals. They went on to defeat Hugo Nys and Jan Zieliński in the final, becoming the second consecutive all-Australian champions at the event.

At the 2023 Delray Beach Open he reached the semifinals in doubles partnering American Reese Stalder and defeating second seeded pair of Jamie Murray and Michael Venus in the quarterfinals. He reached the final defeating Mexican duo Hans Hach Verdugo and Miguel Ángel Reyes-Varela.

He made his Masters 1000 debut in Indian Wells as a qualifier, and defeated Mikael Ymer in the first round in straight sets. He lost in the second round to 30th seed Sebastián Báez.

At the Rosmalen Grass Court Championships he entered the main draw as a lucky loser for his debut on grass and won his first match defeating wildcard Gijs Brouwer. He then defeated Marc-Andrea Hüsler from a set down to reach his first ATP tour level quarterfinal. Again from a set down, he beat Mackenzie McDonald to reach his first semifinal at ATP tour level.

He reached the fourth round of the 2023 US Open having received a wildcard, defeating Pavel Kotov, Márton Fucsovics and Zhang Zhizhen. As a result, he made his top 100 debut in the rankings at world No. 82 climbing 28 spots on 11 September 2023. He qualified on his debut at the 2023 Rolex Shanghai Masters and defeated Laslo Djere in the first round. At the same tournament he reached the semifinals partnering Cameron Norrie. At the 2023 Japan Open Tennis Championships he won his second doubles title with compatriot Max Purcell. As a result, he reached the top 25 in doubles on 23 October 2023.

2024: First win on clay, ATP 500 debut & quarterfinal, top 65 Hijikata started the year off with a quarterfinal appearance at the 2024 Brisbane International, defeating fellow Australian Thanasi Kokkinakis and Tomáš Macháč before being defeated by eventual champion Grigor Dimitrov.

At the 2024 Dallas Open, Hijikata made it to his fourth doubles final alongside William Blumberg, losing to Max Purcell and Jordan Thompson. He reached his third ATP quarterfinal at the 2024 Delray Beach Open a defeat over Liam Broady and an upset over sixth seed Matteo Arnaldi. At the 2024 Los Cabos Open he again upset the sixth seed, this time Miomir Kecmanović. At the 2024 U.S. Men's Clay Court Championships he recorded his first clay court win over fifth seed Christopher Eubanks.

At the 2024 Libéma Open he lost to compatriot Alexei Popyrin in singles, while he reached the quarterfinals in doubles. At the 2024 Queen's Club Championships, where he made his ATP 500 main draw debut as a qualifier, he defeated Frances Tiafoe by retirement and Matteo Arnaldi to reach his second grass court quarterfinal.

In doubles at the 2024 Wimbledon Championships, Hijikata partnered fellow Australian John Peers. The pair defeated Jamie Murray and Andy Murray in the first round, which was the latter's final appearance at Wimbledon.

On his debut at the 2024 National Bank Open in Montreal he qualified for the main draw and recorded his first win at the tournament and only his second at a Masters level over qualifier Taro Daniel. As a result, he reached the top 65 in the rankings on 12 August 2024 and No. 62 two weeks later, after advancing to his fourth ATP quarterfinal of the season at the 2024 Winston-Salem Open.

2025–2026: Wimbledon doubles finalist, Masters fourth round, top 10 win At the 2025 Wimbledon Championships Hijikata reached the final with David Pel as alternate pair, defeating third seeds Kevin Krawietz and Tim Pütz and top seeds and world No. 1 duo Marcelo Arévalo and Mate Pavić en route. They lost the championship match to fifth seeds Julian Cash and Lloyd Glasspool.

At the Masters 1000, the 2026 BNP Paribas Open Hijikata qualified for the main draw and reached the third round of a Masters 1000 for the first time in his career defeating 20th seed Luciano Darderi. He went one step further to reach the fourth round and defeated top 10 player Alexander Bublik, his first top-10 win. As a result, Hijikata returned to the top 100 in the singles rankings on 16 March 2026 at world No. 98.

Hijikata lost in the first round at the 2026 National Bank Open. He received a singles main draw wildcard for his next Masters 1000 appearance at the 2026 Cincinnati Open where he defeated wildcard Gael Monfils and 19th seed Luciano Darderi to reach the third round on his debut at this event.

Performance timelines

Singles Current through the 2026 US Open (tennis).

Tournament20192020202120222023202420252026SRW–L%Grand Slam tournamentsAustralian OpenQ1Q2Q2Q22R1R1R2R0 / 42–4French OpenAAAAQ11R1R1R0 / 30–3WimbledonANHAQ3Q21R2R1R0 / 31–3US OpenAAA1R4R2R1R0 / 44–4 Win–loss0–00–00–00–14–21–41–41–30 / 147–14 National representationSummer OlympicsNHANH1RNH0 / 10–1 ATP Masters 1000Indian Wells MastersANHAA2RQ12R4R0 / 35–3Miami OpenANHAAQ11R2RQ20 / 21–2Madrid OpenAAAAAA1RQ10 / 10–1Italian OpenAAAAA1R1RQ20 / 20–2Canadian OpenAAAAA2RA1R0 / 21–2Cincinnati MastersAAAAQ1Q2A3R0 / 12–1Shanghai MastersANH2R1RQ20 / 21–2Win–loss0–00–00–00–02–21–42–45–30 / 1310–13 Career statistics 20192020202120222023202420252026TotalTournaments00031122181771Titles000000000Finals000000000Overall win–loss0–00–00–01–311–1115–228–1814–1849–72 Year-end ranking7426853751647173125

Doubles Tournament2022202320242025SRW–L%Grand Slam tournamentsAustralian Open2RW2R1R1 / 48–3French OpenA1R2R1R0 / 31–3WimbledonA2R2RF0 / 37–3US OpenAA2R1R0 / 21–2Win–loss1–17–24–45–41 / 1217–11Year-end championshipATP FinalsDNQRRDNQ0 / 10–3ATP Masters 1000Indian Wells MastersA1RAA0 / 10–1Miami OpenA1R1RA0 / 20–2Cincinnati MastersA1RAA0 / 10–1Shanghai MastersNHSFAA0 / 13–1Win–loss0–03–40–10–00 / 53–5Career statisticsTournaments216141143Titles02002Finals03104Overall win–loss1–220–1512–1311–1044–40 Year-end ranking278239658

Grand Slam tournament finals

Doubles: 2 (1 title, 1 runner-up) ResultYearTournamentSurfacePartnerOpponentsScoreWin2023Australian OpenHard Jason Kubler Hugo Nys Jan Zieliński6–4, 7–6(7–4)Loss2025WimbledonGrass David Pel Julian Cash Lloyd Glasspool2–6, 6–7(3–7)

ATP Tour finals

Doubles: 5 (2 titles, 3 runner-ups) LegendGrand Slam (1–1)ATP Finals (–)ATP 1000 (–)ATP 500 (1–0)ATP 250 (0–2)Finals by surfaceHard (2–2)Clay (–)Grass (0–1)Finals by settingOutdoor (2–2)Indoor (0–1)

ResultW–LDateTournamentTierSurfacePartnerOpponentsScoreWin1–0Australian Open, AustraliaGrand SlamHard Jason Kubler Hugo Nys Jan Zieliński6–4, 7–6(7–4)Loss1–1Delray Beach Open, USATP 250Hard Reese Stalder Marcelo Arévalo Jean-Julien Rojer3–6, 4–6Win2–1Japan Open, JapanATP 500Hard Max Purcell Jamie Murray Michael Venus6–4, 6–1Loss2–2Dallas Open, USATP 250Hard (i) William Blumberg Max Purcell Jordan Thompson4–6, 6–2, [8–10]Loss2–3Wimbledon, UKGrand SlamGrass David Pel Julian Cash Lloyd Glasspool2–6, 6–7(3–7)

ATP Challenger Tour finals

Singles: 6 (4 titles, 2 runner-ups) LegendATP Challenger Tour (4–2)Finals by surfaceHard (4–2)Clay (–)

ResultW–LDateTournamentTierSurfaceOpponentScoreWin1–0Playford Tennis International, AustraliaChallengerHard Rio Noguchi6–1, 6–1Win2–0Burnie International, AustraliaChallengerHard James Duckworth6–3, 6–3Loss2–1Cary Challenger II, USChallengerHard Zachary Svajda6–7(3–7), 6–4, 1–6Win3–1Playford Tennis International, Australia (2)ChallengerHard Yuta Shimizu6–4, 7–6(7–4)Loss3–2NSW Open, AustraliaChallengerHard Thanasi Kokkinakis1–6, 1–6Win4–2Playford Tennis International, Australia (3)ChallengerHard Dane Sweeny6–0, 6–7(8–10), 6–4

Doubles: 4 (3 titles, 1 runner-up) LegendATP Challenger Tour (3–1)Finals by surfaceHard (3–1)Clay (–)

ResultW–LDateTournamentTierSurfacePartnerOpponentsScoreWin1–0Cary Challenger II, USChallengerHard Andrew Harris William Blumberg Luis David Martínez6–4, 3–6, [10–6]Loss1–1Arizona Tennis Classic, USChallengerHard Henry Patten Sadio Doumbia Fabien Reboul3–6, 2–6Win2–1Sioux Falls Challenger, USChallengerHard (i) Mac Kiger Andrew Fenty Juan José Bianchi6–4, 6–4Win3–1NSW Open, AustraliaChallengerHard Marc Polmans Calum Puttergill Dane Sweeny6–0, 6–4

ITF World Tennis Tour finals

Singles: 10 (7 titles, 3 runner-ups) LegendITF WTT (7–3)Finals by surfaceHard (6–3)Clay (1–0)