| Australian Open | 01/10 00:55 | 14 | [163] Jan Choinski v Benjamin Hassan [150] | 4-6,0-6 | |
| ATP Hong Kong | 01/01 04:00 | 19 | [75] Taro Daniel v Jan Choinski [160] | 6-4,3-6,6-4 | |
| ATP Hong Kong | 12/31 04:00 | 14 | [160] Jan Choinski v Zizou Bergs [129] | 6-2,6-2 | |
| Challenger Danderyd | 11/14 17:20 | 25 | [154] Jan Choinski v Brandon Nakashima [143] | 4-6,2-6 | |
| ATP Metz | 11/04 10:00 | 14 | [152] Jan Choinski v Mathias Bourgue [279] | 6-7,7-6,2-6 | |
| Challenger Ismaning | 10/30 15:55 | 25 | [268] Alibek Kachmazov v Jan Choinski [152] | 6-4,5-7,6-2 | |
| Challenger Santa Fe | 10/16 17:30 | 25 | [169] Andrea Pellegrino v Jan Choinski [150] | Retired | |
| Challenger Buenos Aires | 10/13 17:45 | 27 | [83] Federico Coria v Jan Choinski [127] | 5-7,7-6,6-3 | |
| Challenger Buenos Aires | 10/12 15:30 | 26 | [137] Hugo Dellien v Jan Choinski [127] | Retired | |
| Challenger Buenos Aires | 10/10 18:00 | 25 | [150] Thiago Monteiro v Jan Choinski [127] | 3-6,6-1,3-6 | |
| 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 | 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 | |
| Challenger Luedenscheid | 08/01 15:40 | 25 | [148] Jan Choinski v Gauthier Onclin [208] | 4-6,2-6 | |
| ATP Hamburg | 07/25 16:10 | 25 | [151] Jan Choinski v Zhizhen Zhang [79] | 4-6,5-7 | |
| ATP Hamburg | 07/23 16:45 | 19 | [56] Daniel Elahi Galan v Jan Choinski [149] | 1-6,6-4,4-6 | |
| ATP Hamburg | 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 | |
| Challenger Braunschweig | 07/13 10:00 | 27 | [105] Pavel Kotov v Jan Choinski [164] | 6-7,6-3,6-2 |
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.