stadio: Ochsenhausen, Germany
| Challenger Series TT | 2023/12/12 07:30 | Dennis Klein v Bohdan Sinkevych | L | 3-1 |
| Challenger Series TT | 2023/05/04 09:50 | Dennis Klein v Bohdan Sinkevych | L | 3-0 |
| Challenger Series TT | 2023/03/27 07:50 | Dennis Klein v Bohdan Sinkevych | L | 3-0 |
| Challenger Series TT | 2023/02/10 09:30 | Bohdan Sinkevych v Dennis Klein | L | 1-3 |
| Challenger Series TT | 2022/10/06 11:10 | Bohdan Sinkevych v Dennis Klein | L | 0-3 |