Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/02/10 09:30 | Bohdan Sinkevych v Dennis Klein | W | 1-3 |
| Challenger Series TT | 2022/10/06 11:10 | Bohdan Sinkevych v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2023/03/07 14:30 | Dennis Klein v Dauud Cheaib | W | 3-2 |
| Challenger Series TT | 2023/03/07 12:25 | Dennis Klein v Peter Hribar | W | 3-1 |
| Challenger Series TT | 2023/03/07 10:50 | Aljaz Godec v Dennis Klein | W | 1-3 |
| Challenger Series TT | 2023/03/07 09:30 | Dennis Klein v Peter Hribar | L | 2-3 |
| Challenger Series TT | 2023/03/06 19:30 | Sven Happek v Dennis Klein | W | 1-3 |
| Challenger Series TT | 2023/03/06 16:50 | Dauud Cheaib v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2023/03/06 14:50 | Bastien Dupont v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2023/03/06 10:50 | Marius Henninger v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2023/02/10 10:50 | Makoto Nogami v Bohdan Sinkevych | L | 3-1 |
| Challenger Series TT | 2023/02/10 09:30 | Bohdan Sinkevych v Dennis Klein | L | 1-3 |
| Challenger Series TT | 2023/02/09 19:30 | Alberto Mino v Bohdan Sinkevych | L | 3-0 |
| Challenger Series TT | 2023/02/09 16:50 | Sourav Saha v Bohdan Sinkevych | L | 3-0 |
| Challenger Series TT | 2023/02/09 14:50 | Bastien Dupont v Bohdan Sinkevych | W | 0-3 |
| Challenger Series TT | 2023/02/09 10:50 | Andrei Putuntica v Bohdan Sinkevych | L | 3-0 |
| Challenger Series TT | 2023/02/09 08:10 | Marco Stefanidis v Bohdan Sinkevych | W | 1-3 |
| Challenger Series TT | 2023/01/13 14:30 | Bohdan Sinkevych v Sven Happek | W | 3-0 |