is a Japanese professional tennis player. She has a career-high singles ranking of world No. 47, achieved on 5 May 2025, and a best doubles ranking of 86, reached on 21 July 2025. She has won one WTA Tour doubles title and two WTA 125 singles titles along with 13 titles in singles and eleven in doubles on the ITF Circuit.
Career 2023-2024: Major debut, first WTA Tour doubles title For her major debut, Uchijima received a wildcard from the 2023 Australian Open, but lost in the first round to Bernarda Pera.
She won three consecutive titles on the ITF Circuit in May 2024, reaching a career-high of world No. 80 on 20 May 2024 and making her the Japanese number-one female singles player for the first time.WTA Singles rankings on 20 May 2024
Uchijima qualified for the 2024 French Open, making her debut at this major and defeated fellow qualifier Irene Burillo Escorihuela in the first round. She lost in the second round to the second seed, Aryna Sabalenka, in straight sets, ending a run of 19 consecutive professional match wins for Uchijima.
She qualified for the 2024 Canadian Open and recorded her first WTA 1000 win, over Viktoriya Tomova, before losing to sixth seed Liudmila Samsonova. As a result, she reached a new career-high ranking of No. 59, on 12 August 2024.
Making her debut at the US Open in 2024, Uchijima defeated Tamara Korpatsch in the first round, before losing her next match to Jule Niemeier.
In September at the WTA 250 Thailand Open 2, Uchijima reached her first WTA Tour doubles final partnering with Eudice Chong, but lost to top seeds Anna Danilina and Irina Khromacheva in the championship match.
Partnering Guo Hanyu, she won her maiden WTA Tour doubles title at the 2024 Jiangxi Open, defeating Katarzyna Piter and Fanny Stollár in the final.
2025: First WTA 1000 quarterfinal Ranked world No. 63, Uchijima defeated Magda Linette to reach the second round at the Australian Open, where she lost to 14th seed Mirra Andreeva in a match which went to a deciding set tiebreak.
In February, at the Dubai Championships, Uchijima qualified for the main draw and recorded her first win against a top-30 ranked opponent by defeating world No. 26, Jeļena Ostapenko, before losing in the second round to sixth seed Elena Rybakina.
At the Madrid Open in April, Uchijima reached her first WTA 1000 quarterfinal with wins over wildcard entrant Robin Montgomery and 26th seed Ons Jabeur, then defeating world No. 3, Jessica Pegula, for her first victory over a top-25 ranked player, before overcoming 21st seed Ekaterina Alexandrova in the fourth round. She lost in the last eight to 17th seed Elina Svitolina.
Uchijima then went almost four months without registering a Tour-level singles win until finally ending her slump by defeating Olga Danilović at the US Open, after saving seven match points, before losing to Barbora Krejčíková in the second round.
2026: First WTA 125 titles Uchijima won her maiden WTA 125 singles title at the Antalya Challenger 1, defeating Anhelina Kalinina in the final, in straight sets. At the Open de Saint-Malo, she claimed her second WTA 125 singles trophy with a three-set win over top seed Tereza Valentová in the final.
Performance timelines
Only main-draw results in WTA Tour, Grand Slam tournaments, Billie Jean King Cup, United Cup, Hopman Cup and Olympic Games are included in win–loss records.
Singles Current through the 2026 Wimbledon Championships. Tournament20222023202420252026Win %Grand Slam tournaments Australian OpenA1RQ22R2R0 / 32–3 French OpenQ3Q32R1R1R0 / 31–3 WimbledonQ1Q21R1RQ10 / 20–2 US OpenQ3Q32R2RQ20 / 22–2Win–loss0–00–12–32–41–20 / 105–10National representation Summer OlympicsNH1R (alternate link) NH0 / 10–1 Billie Jean King CupPOPOQFRR0 / 28–5WTA 1000Qatar OpenAAA1R1R0 / 20–2DubaiAAA2R1R0 / 21–2Indian Wells OpenAAA2RA0 / 11–1Miami OpenAAA2RA0 / 11–1Madrid OpenAQ1AQF1R0 / 14–1Italian OpenAQ1A1RQ10 / 10–1Canadian OpenAA2R1R0 / 21–2Cincinnati OpenAAQ11R0 / 10–1China OpenNHA2R2R0 / 21–2Wuhan OpenNH1R2R0 / 21–2Win–loss0–00–02–39–100–30 / 1611–16Career statistics20222023202420252026Win %Tournaments3615276Total: 39Titles00000Total: 0Finals00000Total: 0Overall win–loss6–54–75–1514–271–60 / 6030–60Year-end ranking1051815691$2,295,550
Doubles Current through the end of the 2024 season. Tournament20182019202020212022202320242025Grand Slam tournaments Australian OpenAAAAA2RA1R0 / 21–2 French OpenAAAAAAA2R0 / 11–1 WimbledonAANHAAA1R1R0 / 20–2 US OpenAAAAAA1RA0 / 10–1Win–loss0–00–00–00–00–01–10–21–30 / 62–6Career statisticsTournaments110024Total: 8Overall win–loss0–10–10–00–02–22–40 / 84–8Year-end ranking850262240312124145114188
WTA Tour finals Doubles: 2 (1 title, 1 runner-up) LegendWTA 250 (1–1)Finals by surfaceHard (1–1)Finals by settingOutdoors (1–1)
ResultW–LDateTournamentTierSurfacePartnerOpponentsScoreLoss0–1Sep 2024Hua Hin Championships, ThailandWTA 250Hard Eudice Chong Anna Danilina Irina Khromacheva4–6, 5–7Win1–1Jiangxi Open, ChinaWTA 250Hard Guo Hanyu Katarzyna Piter Fanny Stollár7–6(7–5), 7–5
WTA 125 finals
Singles: 2 (2 titles) ResultW–LDateTournamentSurfaceOpponentsScoreWin 1–0Antalya Challenger, TurkeyClay Anhelina Kalinina7–5, 7–5Win2–0Open de Saint-Malo, FranceClay Tereza Valentová6–7(2–7), 6–3, 6–1
Doubles: 1 (runner-up) ResultW–LDateTournamentSurfacePartnerOpponentsScoreLoss0–1Concord Open, United StatesHard Peangtarn Plipuech Varvara Flink CoCo Vandeweghe3–6, 6–7(3)
ITF Circuit finals Singles: 17 (13 titles, 4 runner-ups) LegendW100 tournaments (3–0)W80 tournaments (0–1)W60/75 tournaments (3–2)W40/50 tournaments (2–0)W25 tournaments (2–1)W15 tournaments (3–0) ResultW–LDateTournamentTierSurfaceOpponentScoreLoss 0–1 May 2018Kangaroo Cup Gifu, JapanW80 Hard Kurumi Nara 2–6, 6–7(4)Win 1–1 Oct 2019ITF Hua Hin, ThailandW15 Hard Mananchaya Sawangkaew 6–2, 6–4Win 2–1 Aug 2021ITF Monastir, TunisiaW15 Hard Jenna DeFalco 7–5, 6–2Win 3–1 Sep 2021ITF Monastir, TunisiaW15 Hard Ingrid Martins 6–1, 6–4Win 4–1 Dec 2021Pune Championships, IndiaW25 Hard Diāna Marcinkēviča 6–2, 7–5Win 5–1 Feb 2022Porto Indoor, PortugalW25 Hard (i) Léolia Jeanjean 6–3, 6–1Win 6–1 Mar 2022Clay Court International, AustraliaW60 Clay Olivia Gadecki 6–2, 6–2Loss 6–2 Jul 2022ITF Nur-Sultan, KazakhstanW25 Hard Mariia Tkacheva 6–7(2), 2–6Win 7–2 Jul 2022President's Cup, KazakhstanW60 Hard Natalija Stevanović 6–3, 7–6(2)Loss 7–3 Nov 2022Tokyo Open, JapanW60 Hard (i) Wang Xinyu 6–1, 4–6, 6–3Loss 7–4 Mar 2023Nur-Sultan Challenger, Kazakhstan W60 Hard (i) Jang Su-jeong 1–6, 4–6Win 8–4 Dec 2023ITF Navi Mumbai, IndiaW40 Hard Ekaterina Makarova 6–4, 6–1Win 9–4 Jan 2024Pune Championships, IndiaW50 Hard Tina Nadine Smith 6–4, 6–0Win 10–4 Apr 2024Zaragoza Open, SpainW100 Clay Jéssica Bouzas Maneiro 6–1, 6–2Win 11–4 Apr 2024Kangaroo Cup, JapanW100 Hard Arina Rodionova 6–3, 6–3Win 12–4 May 2024Empire Slovak Open, SlovakiaW75 Clay Mona Barthel 7–6(3), 6–3Win 13–4 May 2024Open Villa de Madrid, SpainW100 Clay Leyre Romero Gormaz 5–7, 6–4, 7–5
Doubles: 16 (11 titles, 5 runner-ups) LegendW100 tournaments (1–0)W60 tournaments (6–3)W50 tournaments (1–0)W25 tournaments (2–2)W15 tournaments (1–0) ResultW–LDateTournamentTierSurfacePartnerOpponentsScoreWin 1–0 Feb 2019All Japan Indoor ChampionshipsW60 Hard (i) Eri Hozumi Chen Pei-hsuan Wu Fang-hsien 6–4, 6–3Loss 1–1 May 2019Kurume Cup, JapanW60 Carpet Erina Hayashi Hiroko Kuwata Ena Shibahara 6–0, 4–6, [5–10]Win 2–1 Jun 2019Internacional de Barcelona, SpainW60 Clay Kyoka Okamura Marina Bassols Ribera Yvonne Cavallé Reimers 7–6(7), 6–4Loss 2–2 Jun 2019ITF Figueira da Foz, PortugalW25 Hard Laura Pigossi Francisca Jorge Olga Parres Azcoitia 4–6, 6–4, [9–11]Loss 2–3 Jan 2020ITF Hong Kong, China SARW25 Hard Zhang Ying Eudice Chong Wu Fang-hsien 6–7(2), 1–6Win 3–3 Feb 2020All Japan Indoor Championships (2)W60 Hard (i) Erina Hayashi Hsieh Yu-chieh Minori Yonehara 7–5, 5–7, [10–6]Win 4–3 Sep 2021ITF Monastir, TunisiaW15 Hard Ma Yexin Ingrid Martins Jazmín Ortenzi 6–2, 2–6, [10–6]Win 5–3 Nov 2021ITF Ortisei, ItalyW25 Hard (i) Eudice Chong Susan Bandecchi Ylena In-Albon 6–2, 1–6, [10–5]Win 6–3 Dec 2021ITF Selva Gardena, ItalyW25 Hard (i) Eudice Chong Alicia Barnett Olivia Nicholls 6–2, 6–1Loss 6–4 Mar 2022Clay Court International, AustraliaW60 Clay Yuki Naito Han Na-lae Jang Su-jeong 6–3, 2–6, [5–10]Loss 6–5 Jul 2022President's Cup, KazakhstanW60 Hard Momoko Kobori Mariia Tkacheva Anastasia Zolotareva 6–4, 1–6, [4–10]Win 7–5 Mar 2023ITF Jakarta, IndonesiaW60 Hard Ma Yexin Luksika Kumkhum Peangtarn Plipuech 6–0, 6–2Win 8–5 Jun 2023Internazionali di Brescia, ItalyW60 Clay Mai Hontama Alena Fomina-Klotz Olivia Tjandramulia 6–1, 6–0Win 9–5 Jun 2023Internazionali di Caserta, ItalyW60 Clay Anastasia Tikhonova Despina Papamichail Camilla Rosatello 6–4, 6–2Win 10–5 Oct 2023Shenzhen Longhua Open, ChinaW100 Hard Kristina Mladenovic Tímea Babos Kateryna Volodko 6–2, 7–5Win 11–5 Mar 2024Trnava Indoor, SlovakiaW50 Hard (i) Lulu Sun Weronika Falkowska Fanny Stollár 6–4, 7–6(3)
Top 10 wins She has a 1–6 record against players who were, at the time the match was played, ranked in the top 10
#OpponentRankEventSurfaceRoundScore20251. Jessica Pegula3Madrid Open, SpainClay3R6–3, 6–2 56
Personal life She has a Malaysian mother and a Japanese father.
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