is a Japanese professional tennis player. Uchida has a career high ATP singles ranking of world No. 147 achieved on 8 May 2023. He also has a career high ATP doubles ranking of No. 156 achieved on 16 June 2025.
Career 2021: Maiden Challenger title He won his first career ATP Challenger Tour singles title in December 2021 in Rio de Janeiro, Brazil where he defeated Nicolás Álvarez Varona of Spain.
2022: ATP debut and first win He made his ATP debut at the 2022 Los Cabos Open as a qualifier.
Having received a wildcard, he recorded his first ATP main-draw match win at the Korea Open defeating wildcard Hong Seong-chan.
2023: Top 150 debut Uchida reached the top 150 on 24 April 2023.Kaichi Uchida Rankings history
National Representation Davis Cup In March 2021, Uchida made his debut in the Davis Cup where he represented team Japan on grass courts against team Pakistan. He won the only match that he played, in singles, against Aisam Qureshi in straight sets 6–4, 7–6(7–4). He was meant to play an additional singles match but it became a dead rubber as the match's result wouldn't have changed the outcome of the tie.
ATP Challenger Tour finals
Singles: 3 (2 titles, 1 runner-up) LegendATP Challenger Tour (2–1)
ResultW–LDateTournamentTierSurfaceOpponentScoreWin1–0Rio de Janeiro, BrazilChallengerHard Nicolás Álvarez Varona3–6, 6–3, 7–6(7–3)Win2–0Oeiras III, PortugalChallengerClay Kimmer Coppejans6–2, 6–4Loss2–1Yokahoma Keio Challenger, JapanChallengerHard Rei Sakamoto6–4, 6–7(4–7), 4–6
Doubles: 9 (4 titles, 5 runner-ups) LegendATP Challenger Tour (4–5)Finals by surfaceHard (2–3)Clay (2–2)
ResultW–LDateTournamentTierSurfacePartnerOpponentsScoreLoss0–1Shymkent, KazakhstanChallengerClay Sebastian Fanselow Antoine Bellier Gabriel Décamps6–7(3–7), 3–6Loss0–2Shymkent II, KazakhstanChallengerClay Mikael Torpegaard Sanjar Fayziev Markos Kalovelonis7–6(7–3), 4–6, [4–10]Loss0–3Orlando, USAChallengerHard Malek Jaziri Chung Yun-seong Michail Pervolarakis7–6(7–5), 6–7(3–7), [14–16]Win1–3Seoul, South KoreaChallengerHard Wu Tung-lin Chung Yun-seong Aleksandar Kovacevic6–7(2–7), 7–5, [11–9]Win2–3Porto Alegre, BrazilChallengerClay Roberto Cid Subervi Patrick Harper David Stevenson5–7, 7–6(7–1), [10–6]Loss2–4Winnipeg, CanadaChallengerHard Yuta Shimizu Christian Harrison Cannon Kingsley1–6, 4–6Win3–4Zhangjiagang, ChinaChallengerHard Takeru Yuzuki Francis Alcantara Pruchya Isaro6–1, 7–5Loss3–5Kobe, JapanChallengerHard (i) Takeru Yuzuki Vasil Kirkov Bart Stevens6–7(7–9), 5–7Win4−5 Lyon, FranceChallengerClay Hsu Yu-hsiou Luca Sanchez Seita Watanabe 1–6, 6–3, [12–10]
ITF Futures/World Tennis Tour finals
Singles: 20 (12 titles, 8 runner-ups) LegendITF Futures/WTT (12–8)Finals by surfaceHard (6–4)Clay (6–4)Grass (0–0)Carpet (0–0)
ResultW–LDateTournamentTierSurfaceOpponentScoreWin1–0Korea F12, AnsungFuturesClay Hong Chung6–4, 7–5Win2–0USA F17, BuffaloFuturesClay Maximiliano Estévez6–4, 6–1Loss2–1Sweden F1, KarlskronaFuturesClay Carl Söderlund1–6, 2–6Loss2–2Sweden F2, BåstadFuturesClay Julien Cagnina4–6, 6–3, 2–6Win3–2USA F20, RochesterFuturesClay Juan Manuel Benítez Chavarriaga6–4, 6–4Loss3–3USA F22, PittsburghFuturesClay Rubin Statham3–6, 6–2, 2–6Loss3–4USA F16, TampaFuturesClay Facundo Mena4–6, 7–6(7–4), 0–6Win4–4USA F22, PittsburghFuturesClay Nathan Pasha3–6, 7–6(7–5), 6–4Win5–4Canada F7, TorontoFuturesHard Dennis Nevolo7–6(8–6), 3–6, 6–1Loss5–5USA F40, TallahasseeFuturesHard Ryan Shane6–7(3–7), 1–6Loss5–6M15 Monastir, TunisiaWTTHard Skander Mansouri4–6, 6–7(3–7)Win6–6M15 Monastir, TunisiaWTTHard Alexander Erler6–4, 6–2Win7–6M25 Vale do Lobo, PortugalWTTHard Sebastian Fanselow5–7, 7–6(7–3), 7–6(7–5)Win8–6M25 Loulé, PortugalWTTHard Lucas Gerch6–4, 6–4Win9–6M15 Quillota, ChileWTTClay Ignacio António Becerra Otarola6–3, 6–4Win10–6M25 Trelew, ArgentinaWTTHard Matías Soto4–6, 6–1, 6–0Win11–6M15 Karuizawa, JapanWTTClay Sora Fukuda6–7(4–7), 7–5, 6–2Win12–6M25 Changwon, South KoreaWTTHard Masamichi Imamura6–2, 5–7, 6–3Loss12–7M15 Nakhon Pathom, ThailandWTTHard Kwon Soon-woo2–6, 2–6Loss12–8M25 Sapporo, JapanWTTHard Charles Broom6–7(4–7), 5–7
Doubles: 17 (11 titles, 6 runner-ups) LegendITF Futures/WTT (11–6)Finals by surfaceHard (9–4)Clay (2–2)Grass (0–0)Carpet (0–0)
ResultW–LDateTournamentTierSurfacePartnerOpponentsScoreWin1–0Mexico F15, Quintana RooFuturesHard César Ramírez Alex Llompart Finn Tearney7–6(7–5), 6–4Loss1–1Korea F8, GimcheonFuturesHard Yusuke Watanuki Kim Yu-Seob Lim Hyung-Chan4–6, 2–6Win2–1Korea F10, ChuncheonFuturesHard Yusuke Watanuki Kim Jae Hwan Lee Jea Moon6–3, 6–2Win3–1Turkey F35, AntalyaFuturesHard Takashi Saito Tuna Altuna Dimitar Kuzmanov7–5, 6–3Loss3–2Thailand F10, BangkokFuturesHard Jacob Grills Pruchya Isaro Nuttanon Kadchapanan2–6, 1–6Win4–2Canada F10, TorontoFuturesHard Marko Tepavac Nathan Pasha Raymond Sarmiento2–6, 6–4, [10–8]Loss4–3Canada F11, MarkhamFuturesHard Marko Tepavac Nathan Pasha Raymond Sarmiento6–7(4–7), 2–6Win5–3Colombia F9, ValleduparFuturesHard Daniel Garza Manuel Sánchez Federico Zeballos7–6(7–3), 5–7, [10–8]Loss5–4Qatar F4, DohaFuturesHard Luke Bambridge Laurens Verboven Joris De Loore4–6, 6–3, [7–10]Win6–4USA F4, SunriseFuturesClay Isak Arvidsson Péter Nagy Denis Shapovalov6–4, 6–4Loss6–5USA F5, WestonFuturesClay Isak Arvidsson Junior Alexander Ore Hunter Reese6–7(4–7), 6–3, [8–10]Win7–5Canada F1, GatineauFuturesHard Stefan Kozlov Adrian Sikora Sebastian Fanselow7–6(7–5), 6–3Win8–5USA F19, BuffaloFuturesClay Hans Hach Farris Fathi Gosea Tim Kopinski6–2, 6–3Loss8–6USA F20, RochesterFuturesClay Damon Gooch Hans Hach Gavin Van Peperzeel6–7(5–7), 2–6Win9–6China F7, WuhanFuturesHard Shintaro Imai Xin Gao Zhe Li4–6, 6–4, [10–8]Win10–6China F9, Lu'anFuturesHard Harry Bourchier Lo Chien Hsun Sheng Hau Zhou6–3, 7–5 Win11–6Canada F5, CalgaryFuturesHard Roberto Cid Subervi Henry Craig Deiton Baughman3–6, 6–3, [10–8]
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