[134] Jan Choinski 2-6,6-3,7-5 Zdenek Kolar [171] 2023-08-21 08:00
Stadium: Court 1 Round: 26 Ground: Clay
Head to Head
| Challenger Nonthaburi | 2023/01/18 06:10 | Jan Choinski v Zdenek Kolar | 4-6,6-3,0-6 |
| Challenger Prostejov | 2018/06/04 11:30 | Jan Choinski v Zdenek Kolar | 7-5,2-6,4-6 |
Home History
| Challenger Meerbusch | 2023/08/13 11:00 | Camilo Ugo Carabelli v Jan Choinski | 4-6,0-6 |
| Challenger Meerbusch | 2023/08/12 14:00 | Titouan Droguet v Jan Choinski | 1-6,4-6 |
| Challenger Meerbusch | 2023/08/11 12:15 | Dimitar Kuzmanov v Jan Choinski | 6-2,5-7,3-6 |
| Challenger Meerbusch | 2023/08/10 12:15 | Louis Wessels v Jan Choinski | 2-6,7-6,6-7 |
| Challenger Meerbusch | 2023/08/08 10:25 | Nicola Kuhn v Jan Choinski | 6-7,4-6 |
| Challenger Luedenscheid | 2023/08/01 15:40 | Jan Choinski v Gauthier Onclin | 4-6,2-6 |
| ATP Hamburg | 2023/07/25 16:10 | Jan Choinski v Zhizhen Zhang | 4-6,5-7 |
| ATP Hamburg | 2023/07/23 16:45 | Daniel Elahi Galan v Jan Choinski | 1-6,6-4,4-6 |
Away History
| Challenger Banja Luka | 2023/08/08 10:00 | Zdenek Kolar v Eric Vanshelboim | 4-6,4-6 |
| Challenger San Marino | 2023/08/01 13:45 | Valentin Vacherot v Zdenek Kolar | 6-2,6-3 |
| ATP Umag | 2023/07/23 17:15 | Zdenek Kolar v Flavio Cobolli | 4-6,2-6 |
| ATP Umag | 2023/07/22 18:20 | Andrea Vavassori v Zdenek Kolar | 2-6,6-4,6-7 |
| Challenger Trieste | 2023/07/20 18:30 | Zdenek Kolar v Stefano Napolitano | 6-4,6-7,6-7 |
| Challenger Trieste | 2023/07/18 09:00 | Zdenek Kolar v Gabriele Piraino | 7-6,2-6,6-3 |
| Challenger Iasi | 2023/07/12 10:50 | Jakub Mensik v Zdenek Kolar | 6-2,6-2 |
| Challenger Iasi | 2023/07/11 09:25 | Andrey Chepelev v Zdenek Kolar | 4-6,6-3,5-7 |