| Challenger Series TT | 2022/07/11 12:30 | Samuel Amann v Dennis Klein | W | 0-3 |
| Challenger Ochsenhausen | 2021/06/02 12:30 | Dennis Klein v Samuel Amann | W | 3-0 |
| Challenger Ochsenhausen | 2021/05/11 11:00 | Dennis Klein v Samuel Amann | W | 3-0 |
| Challenger Series TT | 2022/08/09 06:30 | Dennis Klein v Josip Huzjak | W | 3-0 |
| Challenger Series TT | 2022/08/08 17:50 | Dennis Klein v Bastian Rembert | W | 3-0 |
| Challenger Series TT | 2022/08/08 16:30 | Dennis Klein v Anton Limonov | L | 0-3 |
| Challenger Series TT | 2022/08/08 11:50 | Dennis Klein v Damian Zech | W | 3-1 |
| Challenger Series TT | 2022/08/08 09:10 | Dennis Klein v Michael Engelhardt | W | 3-0 |
| Challenger Series TT | 2022/08/08 06:30 | Dennis Klein v Florian Bluhm | L | 2-3 |
| Challenger Series TT | 2022/08/02 13:30 | Yannick Vostes v Dennis Klein | W | 1-3 |
| Challenger Series TT | 2022/08/02 12:05 | Dennis Klein v Carlos Muhlbach | W | 3-0 |
| Challenger Series TT | 2022/08/09 08:30 | Samuel Amann v Florian Bluhm | L | 0-3 |
| Challenger Series TT | 2022/08/08 18:30 | Josip Huzjak v Samuel Amann | L | 3-1 |
| Challenger Series TT | 2022/08/08 15:50 | Bastian Rembert v Samuel Amann | L | 3-0 |
| Challenger Series TT | 2022/08/08 13:50 | Anton Limonov v Samuel Amann | L | 3-0 |
| Challenger Series TT | 2022/08/08 09:50 | Damian Zech v Samuel Amann | L | 3-0 |
| Challenger Series TT | 2022/08/08 07:10 | Michael Engelhardt v Samuel Amann | L | 3-0 |
| Challenger Series TT | 2022/07/12 10:30 | Samuel Amann v Amir Hossein Hodaei | L | 1-3 |
| Challenger Series TT | 2022/07/12 07:50 | Samuel Amann v Michael Engelhardt | L | 2-3 |