Jan Choinski
| Challenger - Amersfoort | 07/15 15:00 | 24 | [429] Ricardo Ojeda Lara v Jan Choinski [288] | 2-6,3-6 | |
| Challenger - Ludwigshafen | 07/01 14:45 | 24 | [488] Daniel Altmaier v Jan Choinski [286] | 6-4,7-6 | |
| Wimbledon | 06/24 10:00 | 44 | [147] James Duckworth v Jan Choinski [284] | 6-1,7-5 | |
| Challenger - Ilkley | 06/18 13:20 | 24 | [285] Jan Choinski v Brydan Klein [355] | 6-2,5-7,2-6 | |
| Challenger - Bordéus | 04/29 11:00 | 24 | [387] Andrea Pellegrino v Jan Choinski [285] | Retired | |
| Challenger - Múrcia | 04/10 09:00 | 25 | [280] Jan Choinski v Mikael Ymer [200] | 2-6,4-6 | |
| Challenger - Múrcia | 04/09 09:00 | 24 | [111] David Vega Hernandez v Jan Choinski [280] | 3-6,3-6 | |
| Challenger - Lille | 03/22 13:45 | 27 | [265] Jan Choinski v Yannick Maden [108] | 3-6,3-6 | |
| Challenger - Lille | 03/21 10:50 | 26 | Rayane Roumane v Jan Choinski | 6-4,4-6,6-7 | |
| Challenger - Lille | 03/19 10:20 | 25 | [265] Jan Choinski v Yannick Hanfmann [160] | 6-0,6-4 | |
| Challenger - Lille | 03/18 12:45 | 24 | [265] Jan Choinski v Filip Horansky [195] | 6-4,6-4 | |
| Challenger - Pau | 02/28 14:05 | 26 | [153] Alexander Bublik v Jan Choinski [272] | 6-4,6-2 | |
| Challenger - Pau | 02/26 20:35 | 25 | [272] Jan Choinski v Adam Pavlasek [223] | 6-4,7-5 | |
| Challenger - Pau | 02/25 11:00 | 24 | [272] Jan Choinski v Sergio Gutierrez-Ferrol [216] | 7-5,2-6,6-3 | |
| Challenger - Bergamo | 02/22 10:00 | 27 | [250] Roberto Marcora v Jan Choinski [284] | 7-6,6-3 | |
| Challenger - Bergamo | 02/21 09:30 | 26 | [197] Jay Clarke v Jan Choinski [284] | 5-7,6-1,1-6 | |
| Challenger - Bergamo | 02/19 18:40 | 25 | Jan Choinski v Federico Arnaboldi | 6-3,6-1 | |
| Challenger - Bergamo | 02/19 16:40 | 25 | Jan Choinski v Stefano Travaglia | Cancelled | |
| Challenger - Bergamo | 02/18 15:10 | 24 | [258] Benjamin Bonzi v Jan Choinski [284] | Retired | |
| Challenger - Dallas | 02/05 21:45 | 25 | [98] Reilly Opelka v Jan Choinski [286] | 4-6,6-3,6-4 | |
| Challenger - Dallas | 02/05 03:25 | 24 | Jan Choinski v Evan Zhu | 6-4,6-4 | |
| Challenger - Cleveland | 01/29 23:35 | 25 | [289] Jan Choinski v Dustin Brown [233] | 6-7,6-1,6-7 | |
| Challenger - Cleveland | 01/28 21:25 | 24 | [391] Tom Jomby v Jan Choinski [289] | Retired | |
| Challenger - Newport Beach | 01/22 00:00 | 24 | [242] Christian Harrison v Jan Choinski [280] | 6-2,6-7,6-4 | |
| Challenger Columbus | 01/11 21:35 | 27 | [291] Jan Choinski v Jeffrey John Wolf [366] | 2-6,1-6 | |
| Challenger Columbus | 01/10 22:25 | 26 | [291] Jan Choinski v Laurynas Grigelis [283] | 7-6,4-6,6-2 | |
| Challenger Columbus | 01/08 17:30 | 25 | [264] Benjamin Bonzi v Jan Choinski [291] | 3-6,3-6 | |
| Challenger Columbus | 01/07 16:30 | 24 | [291] Jan Choinski v Alejandro Gonzalez [319] | 6-2,6-3 | |
| Challenger - Orlando | 12/31 21:25 | 24 | Sam Riffice v Jan Choinski | 6-1,2-6,6-3 | |
| Challenger - Knoxville | 11/04 15:00 | 45 | Jan Choinski v Ryan Shane | 6-3,1-6,6-7 |
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.