Jan Choinski (; born 10 June 1996 in Germany) is a British tennis player who competes mainly on the ATP Challenger Tour. Choinski has a career high ATP singles ranking of world No. 74 achieved on 14 September 2026 and a doubles ranking of No. 571 achieved on 21 September 2026.
Career 2014: US Open Junior doubles semifinals, Turned Pro Choinski reached the semifinals of the 2014 US Open – Boys' singles. He peaked at No. 17 combined world ranking, compiling a 78–30 match record in singles.
2016: ATP debut Choinski made his ATP main draw debut at the 2016 MercedesCup, where he was given a wildcard in singles.
2022: Maiden Challenger title Ranked No. 457, he reached his second Challenger final at the 2022 Campeonato Internacional de Tênis de Campinas being the first qualifier in the history of the tournament to do so. He won his maiden Challenger title defeating Juan Pablo Varillas, moving more than a 150 positions back up close to the top 300 at No. 301 on 10 October 2022. He reached the top 250 on 19 December 2022.
2023: Wimbledon debut Choinski was awarded a wildcard for his Grand Slam main draw debut at the 2023 Wimbledon Championships where he won his first Major match against Dušan Lajović before losing in the second round to 17th seed Hubert Hurkacz.
2024: Consecutive Wimbledon wildcard, US Open debut Ranked No. 188 he qualified for the Estoril Open and defeated wildcard João Fonseca, recording his first ATP win outside the Majors.
For a second consecutive year, he received a wildcard for the Wimbledon but lost in the first round to Luciano Darderi in five sets.
He won the Elesse Pro Tennis Challenge in Wyomissing, Berks County, Pennsylvania, defeating No. 220 ranked Canadian Alexis Galarneau.
Ranked No. 280, he qualified for the main draw of the US Open after saving three match points against American Maxime Cressy to make his debut at this Major. Choinski lost in the first round to Roberto Carballés Baena in five sets.
In September, Choinski won his third career Challenger title at the NÖ Open in Tulln, Austria, defeating Lukas Neumayer in the final.
2025-2026: First ATP quarterfinal, top 100 In July 2025, Choinski won his fourth Challenger title in Troyes, defeating Calvin Hemery in the final in three sets. His fifth Challenger title came just two weeks later when he defeated Kimmer Coppejans in the final at the Dutch Open.
In September 2025 , Choinski defeated Vít Kopřiva in the final at the Layjet Open in Austria and the following month at the Copa Faulcombridge in Valencia, Spain, he won his fourth Challenger title of the year, defeating Luka Mikrut in the final.
As top seed, Choinski claimed the eighth Challenger title of his career at the 2026 Zagreb Open, overcoming Zsombor Piros in the final.
Choinski reached the top 100 in the singles rankings on 29 June 2026, following his first career quarterfinal showing at the 2026 Eastbourne Open, becoming the first British male qualifier to reach the singles quarterfinals at the event. He defeated fellow compatriot and lucky loser Felix Gill who replaced top seed Taylor Fritz directly in the second round.
Personal life Choinski was born in Koblenz, Germany. He stated, "My mum's side of [the] family is fully British [and] my dad is from Poland." Both ballet dancers, his parents met while under contract in Germany, where they would later open a ballet school. His mother is from Southampton.
He represented Germany from the beginning of his career until the end of 2018. Since 2019, he switched nationality and represents Great Britain.
Performance timeline
Singles Tournament20162017201820192020202120222023202420252026Win%Grand Slam tournamentsAustralian OpenAAAAAAAAQ1Q1Q10 / 00–0French OpenAAQ2AAAAQ2Q1Q1Q20 / 00–0WimbledonAAAQ1NHAA2R1RQ12R0 / 32–3US OpenAAAAAAAQ11RQ10 / 10–1Overall win–loss0–00–00–00–00–00–00–01–10–20–00–10 / 41–4ATP Masters 1000Indian Wells MastersAAAANHAAAAA0 / 00–0Miami OpenAAAANHAAAAA0 / 00–0Monte Carlo MastersAAAANHAAAAA0 / 00–0Madrid OpenAAAANHAAQ1AA0 / 00-0Italian OpenAAAAAAQ2AAA0 / 00–0Canadian OpenAAAANHAAAAA0 / 00–0Cincinnati MastersAAAAAAAAAA0 / 00–0Shanghai MastersAAAANHAAA0 / 00–0Paris MastersAAAAAAAAAA0 / 00–0Win–loss0–00–00–00–00–00–00–00–00–00–00–00 / 00–0Career statisticsTournaments1000000431514Overall win–loss0–10–00–00–00–00–00–01–41–30–1 3–55–14Year-end ranking606296292264347602248160173125
ATP Challenger Tour finals
Singles: 11 (10–1) ResultW–LDateTournamentSurfaceOpponentScoreLoss0–1Meerbusch, GermanyClay Filip Horanský7–6(9–7), 3–6, 3–6Win1–1Campinas, BrazilClay Juan Pablo Varillas6–4, 6–4Win2–1Meerbusch, GermanyClay Camilo Ugo Carabelli6–4, 6–0Win3–1Tulln, AustriaClay Lukas Neumayer6–4, 6–1Win4–1Troyes, FranceClay Calvin Hemery6–4, 6–7(4–7), 6–2Win5–1Amersfoort, NetherlandsClay Kimmer Coppejans6–4, 3–6, 6–3Win6–1Layjet Open, AustriaClay Vít Kopřiva7–5, 6–4Win7–1Valencia, SpainClay Luka Mikrut4–6, 6–1, 6–2Win8–1Zagreb, CroatiaClay Zsombor Piros7–6(7–5), 7–6(7–2)Win9–1Braunschweig, GermanyClay Hugo Gaston4–6, 6–0, 6–4Win10–1Bonn, GermanyClay Jamie Mackenzie6–3, 6–2
Doubles: 1 (0–1) ResultW–LDateTournamentSurfacePartnerOpponentsScoreLoss0–1Nonthaburi, ThailandHard Stuart Parker Nam Ji-sung Song Min-kyu4–6, 4–6
ITF Tour finals
Singles: 20 (11–9) ResultW–LDateTournamentSurfaceOpponentScoreLoss0–1Germany F12, KarlsruheClay Yannick Hanfmann5–7, 1–6Win1–1Belgium F12, HuyClay Julien Cagnina3–6, 6–4, 7–6(7–3)Loss1–2Germany F8, TrierClay Maximilian Neuchrist7–6(7–5), 4–6, 3–6Loss1–3Germany F10, WetzlarClay Hugo Dellien3–6, 3–6Win2–3France F20, ForbachCarpet (i) Ugo Humbert6–3, 7–6(7–2)Loss2–4Germany F15, LeimenHard (i) Mats Moraing4–6, 6–3, 2–6Loss2–5Switzerland F1, OberentfeldenCarpet (i) Uladzimir Ignatik4–6, 3–6Loss2–6USA F29, IrvineHard Mackenzie McDonald0–6, 3–6Win3–6Sweden F1, KarlskronaClay Hugo Dellien7–5, 4–6, 6–2Loss3–7Germany F8, KasselClay Jürgen Zopp3–6, 2–6Win4–7Germany F9, EssenClay Daniel Dutra da Silva6–4, 7–6(7–5)Win5–7Germany F10, WetzlarClay Elmar Ejupovic7–5, 7–6(7–1)Win6–7Germany F11, KarlsruheClay Máté Valkusz6–2, 6–4Loss6–8USA F7, BakersfieldHard Mathias Bourgue2–6, 3–6Win7–8Germany F11, TrierClay Benjamin Hassan6–4, 3–6, 6–3Win8–8Belgium F9, HuyClay Colin Sinclair3–6, 7–6(7–0), 6–3Win9–8M15 Bad Salzdetfurth, GermanyClay Stefan Seifert6–3, 6–1Loss9–9M15 Santo Domingo, Dominican Rep.Hard Daniel Altmaier3–6, 6–4, 4–6Win10–9M15 Santo Domingo, Dominican Rep.Hard Camilo Ugo Carabelli6–0, 6–0Win11–9M15 Frankfurt, GermanyClay Imanol López Morillo6–3, 7–6(7–4)
Doubles: 7 (3–4) ResultW–LDateTournamentSurfacePartnerOpponentsScoreLoss0–1Turkey F4, AntalyaHard Kevin Krawietz Li Zhe Ruan Roelofse3–6, 6–4, [2–10]Win1–1Czech Republic F3, JablonecClay Tom Schönenberg Hubert Hurkacz Szymon Walków6–2, 7–6(9–7)Win2–1Czech Republic F3, JablonecClay Kamil Majchrzak Petr Michnev Matěj Vocel7–6(7–4), 6–3Loss2–2M15 Bad Salzdetfurth, GermanyCarpet Daniel Altmaier Lasse Muscheites Stefan Seifert6–2, 3–6, [9–11]Win3–2M15 Sarreguemines, FranceCarpet Luca Gelhardt Arthur Bouquier Louis Dussin6–3, 6–4Loss3–3M15 Santo Domingo, Dominican Rep.Hard Maxime Mora Arklon Huertas del Pino Camilo Ugo Carabelli6–7(2–7), 3–6Loss3–4M15 Nottingham, United KingdomHard Charles Broom Julian Cash Henry Patten6–7(5–7), 2–6
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