| Challenger Series TT | 2022/12/01 08:50 | Sven Happek v Damian Zech | L | 3-0 |
| Challenger Series TT | 2022/09/19 19:50 | Damian Zech v Sven Happek | L | 0-3 |
| Challenger - Ochsenhausen | 2022/06/27 13:50 | Sven Happek v Damian Zech | L | 3-1 |
| Challenger - Ochsenhausen | 2022/06/20 17:10 | Damian Zech v Sven Happek | L | 2-3 |
| Challenger - Ochsenhausen | 2022/01/20 18:10 | Sven Happek v Damian Zech | W | 2-3 |
| Challenger - Ochsenhausen | 2021/12/13 15:40 | Sven Happek v Damian Zech | L | 3-0 |
| Challenger Series TT | 2022/12/05 13:30 | Damian Zech v Amirreza Abbasi | L | 0-3 |
| Challenger Series TT | 2022/12/05 10:10 | Florian Bluhm v Damian Zech | L | 3-1 |
| Challenger Series TT | 2022/12/05 08:10 | Damian Zech v Dauud Cheaib | L | 0-3 |
| Challenger Series TT | 2022/12/02 11:30 | Harmeet Desai v Damian Zech | L | 3-0 |
| Challenger Series TT | 2022/12/02 07:30 | Ronit Bhanja v Damian Zech | L | 3-0 |
| Challenger Series TT | 2022/12/01 19:30 | Damian Zech v Mohammadali Rouintanesfahani | L | 0-3 |
| Challenger Series TT | 2022/12/01 16:10 | Damian Zech v Sourav Saha | L | 1-3 |
| Challenger Series TT | 2022/12/01 14:10 | Ahmed El-Mahdy v Damian Zech | L | 3-0 |
| Challenger Series TT | 2022/12/05 12:50 | Florian Bluhm v Sven Happek | L | 3-0 |
| Challenger Series TT | 2022/12/05 10:50 | Sven Happek v Dauud Cheaib | L | 0-3 |
| Challenger Series TT | 2022/12/05 08:50 | Sven Happek v Elia Schmid | L | 0-3 |
| Challenger Series TT | 2022/12/02 10:10 | Sven Happek v Martin Andersen | W | 3-2 |
| Challenger Series TT | 2022/12/01 20:50 | Sven Happek v Ahmed El-Mahdy | L | 2-3 |
| Challenger Series TT | 2022/12/01 18:10 | Sven Happek v Sourav Saha | W | 3-2 |
| Challenger Series TT | 2022/12/01 15:30 | Harmeet Desai v Sven Happek | L | 3-0 |
| Challenger Series TT | 2022/12/01 12:50 | Ronit Bhanja v Sven Happek | L | 3-1 |