Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/01/09 19:30 | Dennis Klein v Jean Rassouw | L | 3-0 |
| Challenger Series TT | 2022/08/01 18:30 | Jean Rassouw v Dennis Klein | L | 0-3 |
| Challenger Series TT | 2024/01/15 15:30 | Sven Happek v Jean Rassouw | L | 3-0 |
| Challenger Series TT | 2024/01/15 12:50 | Hannes Hormann v Jean Rassouw | L | 3-1 |
| Challenger Series TT | 2024/01/15 10:50 | Jean Rassouw v Francesco Maragioglio | W | 3-1 |
| Challenger Series TT | 2024/01/15 08:50 | Jean Rassouw v Mathias Golab | W | 3-2 |
| Challenger Series TT | 2023/01/13 10:50 | Damian Zech v Jean Rassouw | W | 2-3 |
| Challenger Series TT | 2023/01/13 09:30 | Jean Rassouw v Makoto Nogami | W | 3-2 |
| Challenger Series TT | 2023/01/12 19:30 | Bohdan Sinkevych v Jean Rassouw | L | 3-1 |
| Challenger Series TT | 2023/01/12 16:50 | Aljaz Godec v Jean Rassouw | L | 3-1 |
| Challenger Series TT | 2024/01/15 16:10 | Mathias Golab v Dennis Klein | W | 1-3 |
| Challenger Series TT | 2024/01/15 13:30 | Sven Happek v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2024/01/15 12:10 | Norbert Tauler v Dennis Klein | W | 1-3 |
| Challenger Series TT | 2024/01/15 07:30 | Hannes Hormann v Dennis Klein | W | 1-3 |
| Challenger Series TT | 2023/12/19 11:00 | Benjamin Fruchart v Dennis Klein | L | 3-2 |
| Challenger Series TT | 2023/12/19 09:30 | Akito Itagaki v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2023/12/19 08:10 | Adrien Coton v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2023/12/18 18:10 | Damian Zech v Dennis Klein | W | 0-3 |