Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2022/07/11 15:50 | Michael Engelhardt v Sven Happek | L | 2-3 |
| Challenger Ochsenhausen | 2022/05/30 14:30 | Michael Engelhardt v Sven Happek | L | 2-3 |
| Challenger Ochsenhausen | 2022/01/13 10:10 | Sven Happek v Michael Engelhardt | L | 3-2 |
| Challenger Series TT | 2023/03/13 10:10 | Michael Engelhardt v Felix Kohler | W | 3-1 |
| Challenger Series TT | 2023/03/13 07:30 | Michael Engelhardt v Makoto Nogami | W | 3-0 |
| Challenger Series TT | 2023/02/14 11:50 | Michael Engelhardt v Arman Hajiei | W | 3-1 |
| Challenger Series TT | 2023/02/14 10:25 | Amirreza Abbasi v Michael Engelhardt | L | 3-0 |
| Challenger Series TT | 2023/02/14 08:50 | Michael Engelhardt v Amirreza Abbasi | L | 0-3 |
| Challenger Series TT | 2023/02/14 07:30 | Michael Engelhardt v Alberto Lillo | L | 1-3 |
| Challenger Series TT | 2023/02/13 14:50 | Michael Engelhardt v Louis Price | W | 3-0 |
| Challenger Series TT | 2023/02/13 11:30 | Michael Engelhardt v Miguel Nunez | L | 2-3 |
| Challenger Series TT | 2023/03/13 10:50 | Sven Happek v Peter Hribar | L | 0-3 |
| Challenger Series TT | 2023/03/13 08:50 | Sven Happek v Dauud Cheaib | L | 0-3 |
| Challenger Series TT | 2023/03/07 11:30 | Rodrigo Hidalgo v Sven Happek | L | 3-1 |
| Challenger Series TT | 2023/03/07 07:30 | Aljaz Godec v Sven Happek | W | 0-3 |
| Challenger Series TT | 2023/03/06 19:30 | Sven Happek v Dennis Klein | L | 1-3 |
| Challenger Series TT | 2023/03/06 16:10 | Sven Happek v Peter Hribar | L | 1-3 |
| Challenger Series TT | 2023/03/06 14:10 | Dauud Cheaib v Sven Happek | L | 3-0 |
| Challenger Series TT | 2023/03/06 11:30 | Bastien Dupont v Sven Happek | L | 3-1 |