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 | |
Challenger Braunschweig | 07/12 10:25 | 26 | Pierre-Hugues Herbert v Jan Choinski | 7-6,4-6,6-7 | |
Challenger Braunschweig | 07/11 14:45 | 25 | [164] Jan Choinski v Alex Molcan [83] | 2-6,6-3,7-6 | |
Wimbledon | 07/06 10:00 | 24 | [164] Jan Choinski v Hubert Hurkacz [18] | 4-6,4-6,6-7 | |
Wimbledon | 07/03 15:55 | 23 | [164] Jan Choinski v Dusan Lajovic [56] | 5-7,7-6,6-2,6-2 | |
ATP Eastbourne | 06/27 10:00 | 25 | [147] Liam Broady v Jan Choinski [167] | 6-3,6-4 | |
ATP Eastbourne | 06/25 11:15 | 19 | [82] Daniel Elahi Galan v Jan Choinski [167] | 7-6,6-4 | |
ATP Eastbourne | 06/24 10:00 | 14 | [486] Giles Hussey v Jan Choinski [167] | 3-6,6-4,2-6 | |
ATP Queens | 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 |
Jan Choinski (ur. 10 czerwca 1996 w Koblencji) – brytyjski tenisista reprezentujący do 2018 roku Niemcy.