Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/08/03 12:30 | Daniel Rinderer v Karl Zimmermann | W | 3-1 |
| Challenger Series TT | 2023/08/03 09:10 | Damian Zech v Daniel Rinderer | W | 2-3 |
| Challenger Series TT | 2023/08/03 07:10 | Daniel Rinderer v Hannes Hormann | W | 3-1 |
| Challenger Series TT | 2023/07/28 12:10 | Daniel Rinderer v Yoan Rebetez | W | 3-0 |
| Challenger Series TT | 2023/07/28 10:45 | Antonin Gavlas v Daniel Rinderer | L | 3-0 |
| Challenger Series TT | 2023/07/28 09:50 | Daniel Rinderer v Guillaume Alcayde | W | 3-2 |
| Challenger Series TT | 2023/07/28 07:50 | Daniel Rinderer v Dauud Cheaib | L | 1-3 |
| Challenger Series TT | 2023/07/27 17:50 | Daniel Rinderer v Yoan Rebetez | L | 1-3 |
| Challenger Series TT | 2023/08/03 11:50 | Damian Zech v Marco Stefanidis | L | 3-1 |
| Challenger Series TT | 2023/08/03 09:50 | Marco Stefanidis v Hannes Hormann | L | 2-3 |
| Challenger Series TT | 2023/08/03 07:50 | Marco Stefanidis v Zengyi Wang | L | 1-3 |
| Challenger Series TT | 2023/07/21 09:50 | Marco Stefanidis v Amirreza Abbasi | L | 0-3 |
| Challenger Series TT | 2023/07/21 06:30 | Marco Stefanidis v Yannick Vostes | L | 0-3 |
| Challenger Series TT | 2023/07/20 17:50 | Marco Stefanidis v Antonin Gavlas | L | 0-3 |
| Challenger Series TT | 2023/07/20 16:30 | Marco Stefanidis v Miroslav Horejsi | L | 1-3 |
| Challenger Series TT | 2023/07/20 11:50 | Marco Stefanidis v Dauud Cheaib | L | 0-3 |