Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/05/05 10:30 | Damian Zech v Peter Hribar | L | 0-3 |
| Challenger Series TT | 2023/05/05 07:50 | Damian Zech v Akito Itagaki | L | 0-3 |
| Challenger Series TT | 2023/05/04 19:10 | Damian Zech v Benjamin Fruchart | L | 2-3 |
| Challenger Series TT | 2023/05/04 14:30 | Damian Zech v Dennis Klein | L | 1-3 |
| Challenger Series TT | 2023/05/04 12:30 | Damian Zech v Kirill Fadeev | L | 1-3 |
| Challenger Series TT | 2023/05/04 09:10 | Makoto Nogami v Damian Zech | L | 3-2 |
| Challenger Series TT | 2023/05/04 07:10 | Damian Zech v Bohdan Sinkevych | W | 3-2 |
| Challenger Series TT | 2023/04/21 07:10 | Miguel Nunez v Damian Zech | L | 3-1 |
| Challenger Series TT | 2023/05/09 13:30 | Antonin Gavlas v Amirreza Abbasi | W | 3-1 |
| Challenger Series TT | 2023/05/09 11:25 | Antonin Gavlas v Humberto Manhani | W | 3-0 |
| Challenger Series TT | 2023/05/09 07:50 | Anton Andersson v Antonin Gavlas | W | 2-3 |
| Challenger Series TT | 2023/05/08 19:50 | Sven Happek v Antonin Gavlas | W | 0-3 |
| Challenger Series TT | 2023/05/08 17:50 | Tobias Slanina v Antonin Gavlas | W | 2-3 |
| Challenger Series TT | 2023/05/08 15:50 | Antonin Gavlas v Amirreza Abbasi | W | 3-2 |
| Challenger Series TT | 2023/05/08 13:10 | Antonin Gavlas v Anton Limonov | L | 2-3 |
| Challenger Series TT | 2023/05/08 11:10 | Antonin Gavlas v Dennis Klein | W | 3-0 |