Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/07/17 11:50 | Hannes Hormann v Dauud Cheaib | L | 0-3 |
| Challenger Series TT | 2023/07/17 09:10 | Hannes Hormann v Michael Engelhardt | W | 3-1 |
| Challenger Series TT | 2023/07/17 06:30 | Hannes Hormann v Daniel Rinderer | L | 0-3 |
| Challenger Series TT | 2023/07/07 10:30 | Hannes Hormann v Dauud Cheaib | L | 1-3 |
| Challenger Series TT | 2023/07/07 07:50 | Hannes Hormann v Benjamin Fruchart | L | 0-3 |
| Challenger Series TT | 2023/07/06 19:10 | Hannes Hormann v Mathias Golab | W | 3-1 |
| Challenger Series TT | 2023/07/06 14:30 | Hannes Hormann v Dennis Klein | L | 0-3 |
| Challenger Series TT | 2023/07/06 12:30 | Hannes Hormann v Liang Qiu | L | 0-3 |
| Challenger Series TT | 2023/07/17 13:50 | Antonin Gavlas v Armin Alicic | W | 3-0 |
| Challenger Series TT | 2023/07/17 10:30 | Antonin Gavlas v Amirreza Abbasi | L | 2-3 |
| Challenger Series TT | 2023/07/17 08:30 | Antonin Gavlas v Miroslav Horejsi | W | 3-2 |
| Challenger Series TT | 2023/07/14 13:30 | Antonin Gavlas v Benjamin Fruchart | W | 3-1 |
| Challenger Series TT | 2023/07/14 11:25 | Antonin Gavlas v Kirill Fadeev | W | 3-1 |
| Challenger Series TT | 2023/07/14 09:50 | Michael Engelhardt v Antonin Gavlas | W | 0-3 |
| Challenger Series TT | 2023/07/14 08:30 | Antonin Gavlas v Kirill Fadeev | W | 3-0 |
| Challenger Series TT | 2023/07/13 18:30 | Johannes Willeke v Antonin Gavlas | W | 0-3 |