Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/07/27 09:10 | Marius Henninger v Daniel Rinderer | W | 2-3 |
| Challenger Series TT | 2023/07/27 07:10 | Daniel Rinderer v Antonin Gavlas | L | 2-3 |
| Challenger Series TT | 2023/07/18 08:30 | Armin Alicic v Daniel Rinderer | L | 3-2 |
| Challenger Series TT | 2023/07/18 07:10 | Antonin Gavlas v Daniel Rinderer | L | 3-0 |
| Challenger Series TT | 2023/07/17 17:10 | Dauud Cheaib v Daniel Rinderer | L | 3-1 |
| Challenger Series TT | 2023/07/17 15:10 | Amirreza Abbasi v Daniel Rinderer | L | 3-0 |
| Challenger Series TT | 2023/07/17 12:30 | Michael Engelhardt v Daniel Rinderer | W | 2-3 |
| Challenger Series TT | 2023/07/17 11:10 | Miroslav Horejsi v Daniel Rinderer | L | 3-1 |
| Challenger Series TT | 2023/07/27 11:10 | Dauud Cheaib v Damian Zech | L | 3-0 |
| Challenger Series TT | 2023/07/27 06:30 | Marius Henninger v Damian Zech | L | 3-2 |
| Challenger Series TT | 2023/07/21 10:30 | Damian Zech v Yannick Vostes | L | 0-3 |
| Challenger Series TT | 2023/07/21 07:50 | Damian Zech v Antonin Gavlas | L | 0-3 |
| Challenger Series TT | 2023/07/20 19:10 | Damian Zech v Miroslav Horejsi | L | 0-3 |
| Challenger Series TT | 2023/07/20 14:30 | Damian Zech v Dauud Cheaib | L | 0-3 |
| Challenger Series TT | 2023/07/20 12:30 | Damian Zech v Jeromy Loffler | L | 2-3 |
| Challenger Series TT | 2023/07/20 09:10 | Marco Stefanidis v Damian Zech | L | 3-2 |