Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/03/27 07:50 | Dennis Klein v Bohdan Sinkevych | W | 3-0 |
| 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 | 2023/05/04 07:50 | Dennis Klein v Peter Hribar | W | 3-0 |
| Challenger Series TT | 2023/05/02 13:30 | Dennis Klein v Snehit Suravajjula | L | 0-3 |
| Challenger Series TT | 2023/05/02 11:25 | Dennis Klein v Kirill Fadeev | W | 3-0 |
| Challenger Series TT | 2023/05/02 09:50 | Dennis Klein v Benjamin Fruchart | W | 3-2 |
| Challenger Series TT | 2023/05/02 06:30 | Dennis Klein v Snehit Suravajjula | L | 2-3 |
| Challenger Series TT | 2023/05/01 17:50 | Dennis Klein v George Downing | W | 3-0 |
| Challenger Series TT | 2023/05/01 16:30 | Dennis Klein v Alexander Sverdlik | W | 3-0 |
| Challenger Series TT | 2023/05/01 11:50 | Dennis Klein v Nico Longhino | W | 3-0 |
| Challenger Series TT | 2023/05/04 07:10 | Damian Zech v Bohdan Sinkevych | L | 3-2 |
| Challenger Series TT | 2023/04/11 10:30 | Bohdan Sinkevych v Louis Price | W | 3-1 |
| Challenger Series TT | 2023/04/11 07:50 | Bohdan Sinkevych v Samuel Amann | W | 3-0 |
| Challenger Series TT | 2023/04/10 19:10 | Bohdan Sinkevych v Florian Bluhm | L | 2-3 |
| Challenger Series TT | 2023/04/10 14:30 | Bohdan Sinkevych v Peter Hribar | L | 0-3 |
| Challenger Series TT | 2023/04/10 12:30 | Bohdan Sinkevych v Miguel Nunez | L | 0-3 |
| Challenger Series TT | 2023/04/10 09:10 | Alvaro Gainza v Bohdan Sinkevych | L | 3-2 |
| Challenger Series TT | 2023/04/10 07:10 | Bohdan Sinkevych v Dauud Cheaib | L | 1-3 |