Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/04/25 11:30 | Tobias Slanina v Alvaro Gainza | W | 3-2 |
| Challenger Series TT | 2023/04/25 10:05 | Anton Limonov v Tobias Slanina | L | 3-1 |
| Challenger Series TT | 2023/04/25 09:10 | Tobias Slanina v Anton Limonov | L | 1-3 |
| Challenger Series TT | 2023/04/25 06:30 | Tobias Slanina v Rafael Turrini | L | 0-3 |
| Challenger Series TT | 2023/04/24 17:50 | Tobias Slanina v Louis Price | W | 3-0 |
| Challenger Series TT | 2023/04/24 16:30 | Tobias Slanina v Alvaro Gainza | L | 2-3 |
| Challenger Series TT | 2023/04/24 11:50 | Tobias Slanina v Sven Happek | W | 3-2 |
| Challenger Series TT | 2023/04/24 09:10 | Tobias Slanina v Kirill Fadeev | W | 3-0 |
| Challenger Series TT | 2023/05/05 13:30 | Dennis Klein v Benjamin Fruchart | W | 3-1 |
| Challenger Series TT | 2023/05/05 11:25 | Dennis Klein v Kirill Fadeev | W | 3-0 |
| Challenger Series TT | 2023/05/05 09:10 | Dennis Klein v Benjamin Fruchart | W | 3-0 |
| Challenger Series TT | 2023/05/04 19:50 | Dennis Klein v Akito Itagaki | W | 3-1 |
| Challenger Series TT | 2023/05/04 17:10 | Dennis Klein v Kirill Fadeev | W | 3-1 |
| Challenger Series TT | 2023/05/04 14:30 | Damian Zech v Dennis Klein | W | 1-3 |
| Challenger Series TT | 2023/05/04 11:50 | Makoto Nogami v Dennis Klein | W | 2-3 |
| Challenger Series TT | 2023/05/04 09:50 | Dennis Klein v Bohdan Sinkevych | W | 3-0 |