Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/06/22 17:50 | Tobias Slanina v Dauud Cheaib | W | 0-3 |
| Challenger Series TT | 2023/07/13 19:50 | Dauud Cheaib v Makoto Nogami | W | 3-2 |
| Challenger Series TT | 2023/07/13 17:10 | Dauud Cheaib v Kirill Fadeev | W | 3-1 |
| Challenger Series TT | 2023/07/13 14:30 | Benjamin Fruchart v Dauud Cheaib | L | 3-2 |
| Challenger Series TT | 2023/07/13 11:50 | Michael Engelhardt v Dauud Cheaib | W | 2-3 |
| Challenger Series TT | 2023/07/13 09:50 | Dauud Cheaib v Antonin Gavlas | L | 0-3 |
| Challenger Series TT | 2023/07/13 07:50 | Dauud Cheaib v Johannes Willeke | W | 3-1 |
| Challenger Series TT | 2023/07/07 10:30 | Hannes Hormann v Dauud Cheaib | W | 1-3 |
| Challenger Series TT | 2023/07/07 06:30 | Johannes Willeke v Dauud Cheaib | W | 0-3 |
| Challenger Series TT | 2023/07/14 07:10 | Tobias Slanina v Kirill Fadeev | W | 3-2 |
| Challenger Series TT | 2023/07/13 19:10 | Benjamin Fruchart v Tobias Slanina | L | 3-1 |
| Challenger Series TT | 2023/07/13 16:30 | Michael Engelhardt v Tobias Slanina | L | 3-2 |
| Challenger Series TT | 2023/07/13 13:50 | Tobias Slanina v Antonin Gavlas | L | 0-3 |
| Challenger Series TT | 2023/07/13 10:30 | Tobias Slanina v Johannes Willeke | W | 3-1 |
| Challenger Series TT | 2023/07/13 08:30 | Tobias Slanina v Makoto Nogami | W | 3-1 |
| Challenger Series TT | 2023/07/04 10:30 | Tobias Slanina v David Reitspies | L | 0-3 |
| Challenger Series TT | 2023/07/04 07:50 | Tobias Slanina v Benjamin Fruchart | L | 1-3 |