Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/07/14 09:50 | Michael Engelhardt v Antonin Gavlas | L | 0-3 |
| Challenger Series TT | 2023/07/17 14:30 | Michael Engelhardt v Dauud Cheaib | L | 1-3 |
| Challenger Series TT | 2023/07/17 12:30 | Michael Engelhardt v Daniel Rinderer | L | 2-3 |
| Challenger Series TT | 2023/07/17 09:10 | Hannes Hormann v Michael Engelhardt | L | 3-1 |
| Challenger Series TT | 2023/07/17 07:10 | Michael Engelhardt v Armin Alicic | W | 3-1 |
| Challenger Series TT | 2023/07/14 09:50 | Michael Engelhardt v Antonin Gavlas | L | 0-3 |
| Challenger Series TT | 2023/07/14 06:30 | Michael Engelhardt v Johannes Willeke | W | 3-1 |
| Challenger Series TT | 2023/07/13 17:50 | Michael Engelhardt v Makoto Nogami | W | 3-1 |
| Challenger Series TT | 2023/07/13 16:30 | Michael Engelhardt v Tobias Slanina | W | 3-2 |
| Challenger Series TT | 2023/07/17 16:30 | Hannes Hormann v Antonin Gavlas | W | 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 |