Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2025/06/12 14:00 | Dennis Klein v Damian Zech | L | 3-1 |
| Challenger Series TT | 2025/05/30 08:30 | Dennis Klein v Damian Zech | L | 3-0 |
| Challenger Series TT | 2025/05/01 07:00 | Damian Zech v Dennis Klein | L | 0-3 |
| Challenger Series TT | 2025/04/17 10:30 | Dennis Klein v Damian Zech | L | 3-0 |
| Challenger Series TT | 2025/03/21 08:30 | Damian Zech v Dennis Klein | L | 1-3 |
| Challenger Series TT | 2024/10/17 11:30 | Damian Zech v Dennis Klein | L | 0-3 |
| Challenger Series TT | 2024/09/12 07:30 | Dennis Klein v Damian Zech | L | 3-1 |
| Challenger Series TT | 2024/07/22 12:30 | Dennis Klein v Damian Zech | L | 3-0 |
| Challenger Series TT | 2025/07/03 16:30 | Damian Zech v Oleksii Dehtiarov | L | 1-3 |
| Challenger Series TT | 2025/07/03 14:30 | Damian Zech v Louis Laine Campino | L | 0-3 |
| Challenger Series TT | 2025/07/03 12:30 | Kirill Fadeev v Damian Zech | L | 3-2 |
| Challenger Series TT | 2025/07/03 10:30 | Adrien Coton v Damian Zech | W | 2-3 |
| Challenger Series TT | 2025/07/03 09:00 | Damian Zech v Luis Kraus | W | 3-0 |
| Challenger Series TT | 2025/07/03 07:30 | Damian Zech v Samuel Amann | W | 3-2 |
| Challenger Series TT | 2025/06/13 07:30 | Marius Henninger v Damian Zech | L | 3-0 |
| Challenger Series TT | 2025/06/12 17:30 | Damian Zech v Oliver Both | L | 0-3 |
| Challenger Series TT | 2025/07/01 11:00 | Dennis Klein v Adrien Coton | W | 3-0 |
| Challenger Series TT | 2025/07/01 09:15 | Dennis Klein v Nikola Horvat | W | 3-0 |
| Challenger Series TT | 2025/07/01 08:00 | Carlos Roman Pozo v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2025/07/01 07:00 | Dennis Klein v Adrien Coton | W | 3-2 |
| Challenger Series TT | 2025/06/30 15:30 | Aliafsar Yunusov v Dennis Klein | W | 1-3 |
| Challenger Series TT | 2025/06/30 13:30 | Francesco Maragioglio v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2025/06/30 12:00 | Nikola Horvat v Dennis Klein | W | 1-3 |
| Challenger Series TT | 2025/06/30 09:00 | Samuel Amann v Dennis Klein | W | 0-3 |