| Challenger Series TT | 2022/09/19 19:50 | Damian Zech v Sven Happek | W | 0-3 |
| Challenger Ochsenhausen | 2022/06/27 13:50 | Sven Happek v Damian Zech | W | 3-1 |
| Challenger Ochsenhausen | 2022/06/20 17:10 | Damian Zech v Sven Happek | W | 2-3 |
| Challenger Ochsenhausen | 2022/01/20 18:10 | Sven Happek v Damian Zech | L | 2-3 |
| Challenger Ochsenhausen | 2021/12/13 15:40 | Sven Happek v Damian Zech | W | 3-0 |
| Challenger Series TT | 2022/11/29 10:10 | Sven Happek v Yannick Vostes | L | 0-3 |
| Challenger Series TT | 2022/11/28 20:50 | Sven Happek v Tal Israeli | L | 0-3 |
| Challenger Series TT | 2022/11/28 18:10 | Sven Happek v Dauud Cheaib | L | 1-3 |
| Challenger Series TT | 2022/11/28 15:30 | Florian Bluhm v Sven Happek | W | 2-3 |
| Challenger Series TT | 2022/11/28 12:50 | Nico Longhino v Sven Happek | W | 1-3 |
| Challenger Series TT | 2022/11/28 10:50 | Sven Happek v Emiliano Riofrio | W | 3-2 |
| Challenger Series TT | 2022/11/28 08:50 | Sven Happek v Anton Limonov | L | 1-3 |
| Challenger Series TT | 2022/11/22 12:30 | Josip Huzjak v Sven Happek | W | 0-3 |
| Challenger Series TT | 2022/10/07 09:10 | Damian Zech v Florian Bourrassaud | L | 0-3 |
| Challenger Series TT | 2022/10/07 07:10 | Damian Zech v Bohdan Sinkevych | L | 2-3 |
| Challenger Series TT | 2022/10/06 18:30 | Damian Zech v Siddharta Almeida | W | 3-1 |
| Challenger Series TT | 2022/10/06 14:30 | Damian Zech v Marius Henninger | L | 2-3 |
| Challenger Series TT | 2022/10/06 12:30 | Damian Zech v Dennis Klein | L | 0-3 |
| 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 |