Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/05/08 11:10 | Antonin Gavlas v Dennis Klein | L | 3-0 |
| Challenger Series TT | 2023/07/27 07:50 | Dennis Klein v Guillaume Alcayde | W | 3-1 |
| Challenger Series TT | 2023/07/11 13:30 | Dennis Klein v Benjamin Fruchart | W | 3-0 |
| Challenger Series TT | 2023/07/11 11:25 | Dennis Klein v Akos Kishegyi | W | 3-0 |
| Challenger Series TT | 2023/07/11 09:10 | Dennis Klein v Armin Alicic | W | 3-1 |
| Challenger Series TT | 2023/07/10 19:50 | Dennis Klein v Kestutis Zeimys | W | 3-0 |
| Challenger Series TT | 2023/07/10 17:10 | Dennis Klein v Samuel Amann | W | 3-0 |
| Challenger Series TT | 2023/07/10 14:30 | Damian Zech v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2023/07/10 11:50 | Johannes Willeke v Dennis Klein | W | 1-3 |
| Challenger Series TT | 2023/07/27 07:10 | Daniel Rinderer v Antonin Gavlas | W | 2-3 |
| Challenger Series TT | 2023/07/25 13:30 | Antonin Gavlas v Yannick Vostes | L | 2-3 |
| Challenger Series TT | 2023/07/25 11:25 | Antonin Gavlas v Marius Henninger | W | 3-1 |
| Challenger Series TT | 2023/07/25 09:10 | Antonin Gavlas v Yannick Vostes | W | 3-0 |
| Challenger Series TT | 2023/07/24 19:50 | Antonin Gavlas v Armin Alicic | W | 3-0 |
| Challenger Series TT | 2023/07/24 17:10 | Antonin Gavlas v Bohdan Sinkevych | W | 3-0 |
| Challenger Series TT | 2023/07/24 14:30 | Marius Henninger v Antonin Gavlas | W | 1-3 |
| Challenger Series TT | 2023/07/24 11:50 | Ihor Zavadskyi v Antonin Gavlas | W | 0-3 |