Fixtures
| Challenger Heilbronn | 15-40 | 28 | [184] Alexander Ritschard vs Jan Choinski [180] | 6-3,6-7,0-0 |
Results
| Challenger Heilbronn | 06/07 13:30 | 27 | [190] Alejandro Moro Canas v Jan Choinski [180] | 3-6,3-6 | |
| Challenger Heilbronn | 06/05 14:35 | 26 | [491] Peter Heller v Jan Choinski [180] | 3-6,3-6 | |
| Challenger Heilbronn | 06/04 13:50 | 25 | [180] Jan Choinski v Yannick Hanfmann [85] | 6-4,6-2 | |
| French Open | 05/20 12:15 | 14 | [180] Jan Choinski v Denis Kudla [161] | 4-6,4-6 | |
| Challenger Oeiras | 05/16 10:00 | 27 | [200] Elias Ymer v Jan Choinski [181] | 6-2,1-6,6-4 | |
| Challenger Oeiras | 05/15 10:00 | 26 | [231] Tristan Boyer v Jan Choinski [181] | 4-6,5-7 | |
| Challenger Oeiras | 05/13 16:35 | 25 | [181] Jan Choinski v Zachary Svajda [122] | 6-3,6-0 | |
| Challenger Mauthausen | 05/08 13:30 | 26 | [229] Lucas Pouille v Jan Choinski [181] | 7-6,6-3 | |
| Challenger Mauthausen | 05/06 11:20 | 25 | [181] Jan Choinski v Benjamin Hassan [147] | Retired | |
| ATP Munich | 04/14 12:00 | 19 | [185] Jan Choinski v Marc-Andrea Huesler [232] | 6-7,7-6,3-6 | |
| ATP Munich | 04/13 11:50 | 14 | Jan Choinski v Henri Haupt | 6-1,6-1 | |
| ATP Estoril | 04/04 11:00 | 26 | [188] Jan Choinski v Hubert Hurkacz [10] | 6-7,4-6 |
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.