| 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 | 2022/09/20 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 | 2022/09/19 07:50 | Damian Zech v Alberto Lillo | L | 0-3 |
| Challenger Series TT | 2022/08/26 09:50 | Felix Kleeberg v Damian Zech | L | 3-1 |
| Challenger Series TT | 2022/09/27 10:50 | Sven Happek v Rafael De Las Heras | L | 2-3 |
| Challenger Series TT | 2022/09/27 09:25 | Florian Bluhm v Sven Happek | L | 3-2 |
| Challenger Series TT | 2022/09/27 08:30 | John Oyebode v Sven Happek | W | 2-3 |
| Challenger Series TT | 2022/09/27 06:30 | Sven Happek v Florian Bluhm | L | 0-3 |
| Challenger Series TT | 2022/09/26 18:30 | Yannick Vostes v Sven Happek | L | 3-0 |
| Challenger Series TT | 2022/09/26 13:50 | Sven Happek v Rafael De Las Heras | L | 0-3 |
| Challenger Series TT | 2022/09/26 10:30 | Sven Happek v Carlos Muhlbach | L | 0-3 |
| Challenger Series TT | 2022/09/26 08:30 | Sven Happek v Jeromy Loffler | W | 3-2 |