Stadium: Ochsenhausen, Germany
| 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 | 2023/07/10 09:50 | Dennis Klein v Benjamin Fruchart | W | 3-2 |
| Challenger Series TT | 2023/07/25 12:50 | Marius Henninger v Guillaume Alcayde | W | 1-3 |
| Challenger Series TT | 2023/07/25 12:05 | Yannick Vostes v Guillaume Alcayde | L | 3-0 |
| Challenger Series TT | 2023/07/25 10:30 | Marius Henninger v Guillaume Alcayde | W | 1-3 |
| Challenger Series TT | 2023/07/25 06:30 | Ihor Zavadskyi v Guillaume Alcayde | W | 1-3 |
| Challenger Series TT | 2023/07/25 06:30 | Igor Zavadskij v Guillaume Alcayde | W | 1-3 |
| Challenger Series TT | 2023/07/24 18:30 | Guillaume Alcayde v Hannes Hormann | W | 3-1 |
| Challenger Series TT | 2023/07/24 15:10 | Guillaume Alcayde v Bohdan Sinkevych | W | 3-0 |
| Challenger Series TT | 2023/07/24 13:10 | Armin Alicic v Guillaume Alcayde | W | 0-3 |