Head to Head
| Tennis Point Exhibition Series | 2020/06/12 11:25 | Jan Choinski v Constantin Schmitz | 6-0,4-6,4-6 |
| Tennis Point Exhibition Series | 2020/06/07 11:25 | Constantin Schmitz v Jan Choinski | 6-1,3-6,6-1 |
| Tennis Point Exhibition Series | 2020/05/31 11:00 | Constantin Schmitz v Jan Choinski | 4-6,5-7 |
| Tennis Point Exhibition Series | 2020/05/23 09:30 | Jan Choinski v Constantin Schmitz | 2-6,4-6 |
| Tennis Point Exhibition Series | 2020/05/15 13:35 | Jan Choinski v Constantin Schmitz | 2-4,4-3,1-4 |
| Tennis Point Exhibition Series | 2020/05/07 17:15 | Jan Choinski v Constantin Schmitz | 4-1,3-4,3-4 |
| Tennis Point Exhibition Series | 2020/05/04 10:15 | Constantin Schmitz v Jan Choinski | 4-3,0-4,1-4 |
| ITF Germany F11 | 2018/08/09 11:40 | Jan Choinski v Constantin Schmitz | 6-3,6-2 |
Home History
| Tennis Point Exhibition Series | 2020/07/10 11:00 | Constantin Schmitz v Florian Broska | 4-6,2-6 |
| Tennis Point Exhibition Series | 2020/07/09 08:00 | Benjamin Hassan v Constantin Schmitz | 4-6,6-7 |
| Tennis Point Exhibition Series | 2020/07/08 08:00 | Constantin Schmitz v Tim Puetz | 3-6,0-6 |
| Tennis Point Exhibition Series | 2020/07/07 09:50 | Constantin Schmitz v Daniel Vishnick | 6-0,6-1 |
| DTB German Pro Series | 2020/06/27 10:30 | Sebastian Fanselow v Constantin Schmitz | 6-3,6-2 |
| DTB German Pro Series | 2020/06/26 08:00 | Constantin Schmitz v Sebastian Fanselow | 3-6,2-6 |
| DTB German Pro Series | 2020/06/25 08:00 | Constantin Schmitz v Adrian Oetzbach | 6-3,7-5 |
| DTB German Pro Series | 2020/06/24 08:00 | Constantin Schmitz v Max Wiskandt | 6-4,5-7,6-7 |
Away History
| Tennis Point Exhibition Series | 2020/07/10 08:00 | Benjamin Hassan v Jan Choinski | 4-6,2-6 |
| Tennis Point Exhibition Series | 2020/07/09 11:30 | Daniel Vishnick v Jan Choinski | 3-6,4-6 |
| Tennis Point Exhibition Series | 2020/07/08 11:00 | Florian Broska v Jan Choinski | 4-6,6-3,6-2 |
| Tennis Point Exhibition Series | 2020/07/07 11:00 | Jan Choinski v Tim Puetz | 6-7,7-6,4-6 |
| Tennis Point Exhibition Series | 2020/06/14 11:05 | Luca Gelhardt v Jan Choinski | 6-3,4-6,2-6 |
| Tennis Point Exhibition Series | 2020/06/13 11:05 | Jan Choinski v Tim Puetz | 7-5,3-6,6-7 |
| Tennis Point Exhibition Series | 2020/06/12 11:25 | Jan Choinski v Constantin Schmitz | 6-0,4-6,4-6 |
| Tennis Point Exhibition Series | 2020/06/11 11:00 | Benjamin Hassan v Jan Choinski | 3-6,5-7 |