Challenger Campinas 10/04 14:00 26 [190] Andrea Pellegrino v Jan Choinski [128] 6-4,3-6,6-3
Challenger Campinas 10/02 20:00 25 [281] Joao Lucas Reis da Silva v Jan Choinski [128] 6-4,2-6,1-6
Challenger Braga 09/25 14:30 25 [134] Jan Choinski v Duje Ajdukovic [207] 6-1,3-6,3-6
Challenger Bad Waltersdorf 09/22 11:00 27 [134] Jan Choinski v Dennis Novak [253] 1-6,0-6
Challenger Bad Waltersdorf 09/20 08:00 26 [134] Jan Choinski v Zdenek Kolar [171] 2-6,6-3,7-5
Challenger Bad Waltersdorf 09/18 13:15 25 [118] Pedro Martinez v Jan Choinski [134] 5-7,4-6
Challenger Szczecin 09/12 10:20 25 [128] Jan Choinski v Vit Kopriva [148] 2-6,3-6
US Open, New York, USA 08/23 16:40 14 [159] Sho Shimabukuro v Jan Choinski [126] 6-3,6-3
Challenger Meerbusch 08/13 11:00 29 [171] Camilo Ugo Carabelli v Jan Choinski [148] 4-6,0-6
Challenger Meerbusch 08/12 14:00 28 [181] Titouan Droguet v Jan Choinski [148] 1-6,4-6
Challenger Meerbusch 08/11 12:15 27 [207] Dimitar Kuzmanov v Jan Choinski [148] 6-2,5-7,3-6
Challenger Meerbusch 08/10 12:15 26 [340] Louis Wessels v Jan Choinski [148] 2-6,7-6,6-7
Challenger Meerbusch 08/08 10:25 25 Nicola Kuhn v Jan Choinski 6-7,4-6
Luedenscheid, Germany 08/01 15:40 25 [148] Jan Choinski v Gauthier Onclin [208] 4-6,2-6
Hamburg, Germany 07/25 16:10 25 [151] Jan Choinski v Zhizhen Zhang [79] 4-6,5-7
Hamburg, Germany 07/23 16:45 19 [56] Daniel Elahi Galan v Jan Choinski [149] 1-6,6-4,4-6
Hamburg, Germany 07/22 13:20 14 Marvin Moeller v Jan Choinski 3-6,4-6
Challenger Amersfoort 07/20 17:00 26 Jan Choinski v Alec Deckers 2-6,6-7
Challenger Amersfoort 07/18 14:55 25 [149] Jan Choinski v Santiago Rodriguez Taverna [254] 6-4,7-5
Braunchsweig, Germany 07/13 10:00 27 [105] Pavel Kotov v Jan Choinski [164] 6-7,6-3,6-2
Braunchsweig, Germany 07/12 10:25 26 Pierre-Hugues Herbert v Jan Choinski 7-6,4-6,6-7
Braunchsweig, Germany 07/11 14:45 25 [164] Jan Choinski v Alex Molcan [83] 2-6,6-3,7-6
Wimbledon, London, Great Britain 07/06 10:00 24 [164] Jan Choinski v Hubert Hurkacz [18] 4-6,4-6,6-7
Wimbledon, London, Great Britain 07/03 15:55 23 [164] Jan Choinski v Dusan Lajovic [56] 5-7,7-6,6-2,6-2
Eastbourne, Great Britain 06/27 10:00 25 [147] Liam Broady v Jan Choinski [167] 6-3,6-4
Eastbourne, Great Britain 06/25 11:15 19 [82] Daniel Elahi Galan v Jan Choinski [167] 7-6,6-4
Eastbourne, Great Britain 06/24 10:00 14 [486] Giles Hussey v Jan Choinski [167] 3-6,6-4,2-6
London, Great Britain 06/19 16:30 25 [16] Lorenzo Musetti v Jan Choinski [167] 6-4,6-2
Challenger - Nottingham 06/13 16:50 25 [127] Hugo Grenier v Jan Choinski [170] 6-4,6-4
Troisdorf, Germany 06/01 15:30 26 Sumit Nagal v Jan Choinski Walkover

Wikipedia - Jan Choinski

Jan Choinski (Polish: Choiński; born 10 June 1996 in Germany) is a Polish-German-British tennis player. Choinski has a career high ATP singles ranking of world No. 126, achieved on 21 August 2023. He represented Germany from the beginning of his career until the end of 2018 and then switched to Great Britain.