| Challenger Ochsenhausen | 2022/03/21 10:50 | Damian Zech v Dennis Klein | L | 0-3 |
| Challenger Ochsenhausen | 2021/12/13 08:10 | Dennis Klein v Damian Zech | L | 3-0 |
| Challenger - Series TT | 2022/06/14 07:50 | Damian Zech v Amirreza Abbasi | L | 0-3 |
| Challenger - Series TT | 2022/06/13 17:50 | Damian Zech v Dauud Cheaib | L | 1-3 |
| Challenger - Series TT | 2022/06/13 13:50 | Michael Engelhardt v Damian Zech | L | 3-2 |
| Challenger - Series TT | 2022/06/13 11:50 | Felix Wetzel v Damian Zech | L | 3-2 |
| Challenger - Series TT | 2022/06/13 09:50 | Damian Zech v Sudhanshu Grover | L | 1-3 |
| Challenger - Series TT | 2022/06/13 07:50 | Damian Zech v Eusebio Vos | L | 1-3 |
| Challenger Ochsenhausen | 2022/03/22 10:10 | Damian Zech v Amirreza Abbasi | L | 0-3 |
| Challenger Ochsenhausen | 2022/03/21 20:50 | Damian Zech v Vincent Picard | L | 0-3 |
| Challenger - Series TT | 2022/06/17 12:50 | Dennis Klein v Amirreza Abbasi | L | 2-3 |
| Challenger - Series TT | 2022/06/17 10:45 | Simon Berglund v Dennis Klein | W | 1-3 |
| Challenger - Series TT | 2022/06/17 08:30 | Mohammadali Rouintanesfahani v Dennis Klein | W | 0-3 |
| Challenger - Series TT | 2022/06/17 07:10 | Amirreza Abbasi v Dennis Klein | W | 1-3 |
| Challenger - Series TT | 2022/06/16 17:10 | Sudhanshu Grover v Dennis Klein | L | 3-2 |
| Challenger - Series TT | 2022/06/16 15:10 | Simon Berglund v Dennis Klein | W | 0-3 |
| Challenger - Series TT | 2022/06/16 12:30 | Kirill Fadeev v Dennis Klein | L | 3-0 |
| Challenger - Series TT | 2022/06/16 11:10 | Elia Schmid v Dennis Klein | L | 3-0 |