| 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 | 2022/08/26 09:50 | Felix Kleeberg v Damian Zech | L | 3-1 |
| Challenger Series TT | 2022/08/26 08:30 | Damian Zech v Samuel Amann | L | 2-3 |
| Challenger Series TT | 2022/08/25 18:30 | Damian Zech v Simon Berglund | L | 1-3 |
| Challenger Series TT | 2022/08/25 15:50 | Damian Zech v Siddharta Almeida | W | 3-2 |
| Challenger Series TT | 2022/08/25 13:50 | Damian Zech v Mohammadali Rouintanesfahani | L | 0-3 |
| Challenger Series TT | 2022/08/25 09:50 | Makoto Nogami v Damian Zech | L | 3-0 |
| Challenger Series TT | 2022/08/25 07:10 | Marcel Neumaier v Damian Zech | L | 3-1 |
| Challenger Series TT | 2022/08/09 09:10 | Damian Zech v Anton Limonov | L | 0-3 |
| Challenger Series TT | 2022/09/13 09:10 | Stephane Ouaiche v Sven Happek | L | 3-0 |
| Challenger Series TT | 2022/09/13 07:10 | Sven Happek v Kirill Fadeev | W | 3-0 |
| Challenger Series TT | 2022/09/12 19:10 | Tal Israeli v Sven Happek | L | 3-0 |
| Challenger Series TT | 2022/09/12 16:30 | Marius Henninger v Sven Happek | L | 3-1 |
| Challenger Series TT | 2022/09/12 13:50 | Sven Happek v Albert Vilardell | L | 1-3 |
| Challenger Series TT | 2022/09/12 10:30 | Sven Happek v Kenan Hrnic | L | 2-3 |
| Challenger Series TT | 2022/09/12 08:30 | Sven Happek v Samuel Amann | L | 1-3 |
| Challenger Series TT | 2022/07/26 07:10 | Sven Happek v Kirill Fadeev | L | 1-3 |