| Challenger Series TT | 2024/04/11 09:25 | Damian Zech v Sven Happek | W | 0-3 |
| Challenger Series TT | 2024/03/18 09:30 | Damian Zech v Sven Happek | W | 2-3 |
| Challenger Series TT | 2024/02/05 13:20 | Sven Happek v Damian Zech | W | 3-2 |
| Challenger Series TT | 2023/06/26 09:50 | Damian Zech v Sven Happek | W | 2-3 |
| Challenger Series TT | 2023/05/22 09:50 | Sven Happek v Damian Zech | L | 0-3 |
| Challenger Series TT | 2023/04/20 11:50 | Sven Happek v Damian Zech | W | 3-0 |
| Challenger Series TT | 2023/04/17 14:30 | Damian Zech v Sven Happek | W | 0-3 |
| Challenger Series TT | 2023/01/12 10:10 | Damian Zech v Sven Happek | W | 1-3 |
| Challenger Series TT | 2024/05/14 18:00 | Sven Happek v Nicolas Flugel | W | 3-1 |
| Challenger Series TT | 2024/05/14 17:00 | Alexander Sverdlik v Sven Happek | W | 0-3 |
| Challenger Series TT | 2024/05/14 14:30 | Tobias Saltzer v Sven Happek | L | 3-2 |
| Challenger Series TT | 2024/05/14 11:30 | Lars Maier v Sven Happek | W | 1-3 |
| Challenger Series TT | 2024/05/14 09:30 | Aleksandar Grujic v Sven Happek | W | 0-3 |
| Challenger Series TT | 2024/05/13 16:00 | Sven Happek v Lars Maier | W | 3-0 |
| Challenger Series TT | 2024/05/13 14:30 | Sven Happek v Timur Voitekhov | W | 3-0 |
| Challenger Series TT | 2024/05/13 13:00 | Sven Happek v Mykhailo Mosiuk | L | 1-3 |
| Challenger Series TT | 2024/05/14 17:30 | Mykhailo Mosiuk v Damian Zech | L | 3-0 |
| Challenger Series TT | 2024/05/14 15:30 | Lars Maier v Damian Zech | L | 3-2 |
| Challenger Series TT | 2024/05/14 14:00 | Aleksandar Grujic v Damian Zech | W | 0-3 |
| Challenger Series TT | 2024/05/14 12:30 | Alexander Sverdlik v Damian Zech | W | 2-3 |
| Challenger Series TT | 2024/05/14 11:00 | Tobias Saltzer v Damian Zech | L | 3-0 |
| Challenger Series TT | 2024/04/26 08:50 | Damian Zech v Dauud Cheaib | L | 0-3 |
| Challenger Series TT | 2024/04/25 19:00 | Damian Zech v Benjamin Fruchart | L | 0-3 |
| Challenger Series TT | 2024/04/25 16:40 | Damian Zech v Albert Vilardell | L | 0-3 |