| Challenger Series TT | 2022/08/08 11:50 | Dennis Klein v Damian Zech | L | 3-1 |
| Challenger Series TT | 2022/08/01 09:50 | Damian Zech v Dennis Klein | L | 0-3 |
| Challenger Series TT | 2022/07/28 15:10 | Damian Zech v Dennis Klein | L | 0-3 |
| Challenger Ochsenhausen | 2022/06/20 07:50 | Damian Zech v Dennis Klein | L | 0-3 |
| 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 | 2022/10/06 09:10 | Florian Bluhm v Damian Zech | L | 3-0 |
| Challenger Series TT | 2022/10/06 07:10 | Damian Zech v Denis Dorcescu | L | 0-3 |
| Challenger Series TT | 2022/09/20 09:10 | Damian Zech v Tal Israeli | L | 0-3 |
| Challenger Series TT | 2022/09/19 19:50 | Damian Zech v Sven Happek | L | 0-3 |
| Challenger Series TT | 2022/09/19 17:10 | Damian Zech v Liang Qiu | L | 1-3 |
| Challenger Series TT | 2022/09/19 14:30 | Guilherme Teodoro v Damian Zech | L | 3-0 |
| Challenger Series TT | 2022/09/19 11:50 | Michael Trink v Damian Zech | L | 3-2 |
| Challenger Series TT | 2022/09/19 09:50 | Damian Zech v Marcel Neumaier | L | 1-3 |
| Challenger Series TT | 2022/10/06 11:10 | Bohdan Sinkevych v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2022/10/06 06:30 | Florian Bluhm v Dennis Klein | W | 1-3 |
| Challenger Series TT | 2022/10/04 13:30 | Jeet Chandra v Dennis Klein | L | 3-2 |
| Challenger Series TT | 2022/10/04 12:05 | Dennis Klein v Florian Bourrassaud | W | 3-1 |
| Challenger Series TT | 2022/10/04 09:50 | Dennis Klein v Florian Bourrassaud | L | 1-3 |
| Challenger Series TT | 2022/10/04 06:30 | Dennis Klein v Miguel Nunez | W | 3-1 |
| Challenger Series TT | 2022/10/03 17:50 | Dennis Klein v Anton Limonov | W | 3-0 |
| Challenger Series TT | 2022/10/03 16:30 | Dennis Klein v Jeet Chandra | L | 1-3 |