| Challenger Series TT | 2022/08/01 18:30 | Jean Rassouw v Dennis Klein | W | 0-3 |
| 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 | 2022/11/01 14:30 | Dennis Klein v Josip Huzjak | W | 3-1 |
| Challenger Series TT | 2022/11/01 12:25 | Dennis Klein v Mathias Hübgen | W | 3-1 |
| Challenger Series TT | 2022/11/01 09:30 | Mohammadali Rouintanesfahani v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2022/11/01 08:10 | Arman Hajiei v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2023/01/09 16:50 | Sven Happek v Jean Rassouw | L | 3-1 |
| Challenger Series TT | 2023/01/09 14:50 | Daniel Rinderer v Jean Rassouw | L | 3-0 |
| Challenger Series TT | 2023/01/09 10:50 | Kestutis Zeimys v Jean Rassouw | L | 3-0 |
| Challenger Series TT | 2023/01/09 08:10 | Yongyin Li v Jean Rassouw | L | 3-0 |
| Challenger Series TT | 2022/08/05 10:30 | Marius Henninger v Jean Rassouw | L | 3-1 |
| Challenger Series TT | 2022/08/05 06:30 | Daniel Rinderer v Jean Rassouw | L | 3-0 |
| Challenger Series TT | 2022/08/04 18:30 | Jean Rassouw v Marcel Neumaier | L | 1-3 |
| Challenger Series TT | 2022/08/04 15:10 | Jean Rassouw v Makoto Nogami | W | 3-0 |