| Challenger Series TT | 2023/01/10 07:30 | Yannick Vostes v Dennis Klein | L | 3-2 |
| Challenger Series TT | 2022/08/02 13:30 | Yannick Vostes v Dennis Klein | W | 1-3 |
| Challenger Series TT | 2022/08/01 13:50 | Yannick Vostes v Dennis Klein | L | 3-0 |
| Challenger Series TT | 2023/01/10 12:25 | Yongyin Li v Dennis Klein | L | 3-0 |
| Challenger Series TT | 2023/01/10 11:30 | Yongyin Li v Dennis Klein | L | 3-0 |
| Challenger Series TT | 2023/01/10 07:30 | Yannick Vostes v Dennis Klein | L | 3-2 |
| Challenger Series TT | 2023/01/09 19:30 | Dennis Klein v Jean Rassouw | W | 3-0 |
| Challenger Series TT | 2023/01/09 16:10 | Dennis Klein v Dauud Cheaib | W | 3-1 |
| Challenger Series TT | 2023/01/09 14:10 | Sven Happek v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2023/01/09 11:30 | Daniel Rinderer v Dennis Klein | L | 3-2 |
| Challenger Series TT | 2023/01/09 08:50 | Kestutis Zeimys v Dennis Klein | W | 2-3 |
| Challenger Series TT | 2023/01/10 13:05 | Yannick Vostes v Dauud Cheaib | L | 1-3 |
| Challenger Series TT | 2023/01/10 10:50 | Yannick Vostes v Jean Rassouw | W | 3-0 |
| Challenger Series TT | 2023/01/10 07:30 | Yannick Vostes v Dennis Klein | W | 3-2 |
| Challenger Series TT | 2023/01/09 18:50 | Yannick Vostes v Sven Happek | W | 3-0 |
| Challenger Series TT | 2023/01/09 17:30 | Yannick Vostes v Daniel Rinderer | W | 3-0 |
| Challenger Series TT | 2023/01/09 12:50 | Yannick Vostes v Kestutis Zeimys | W | 3-0 |
| Challenger Series TT | 2023/01/09 10:10 | Yannick Vostes v Yongyin Li | L | 1-3 |
| Challenger Series TT | 2023/01/09 07:30 | Yannick Vostes v Dauud Cheaib | L | 1-3 |