Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/05/04 09:50 | Dennis Klein v Bohdan Sinkevych | W | 3-0 |
| 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 | 2023/12/11 18:50 | Dennis Klein v Jeromy Loffler | W | 3-0 |
| Challenger Series TT | 2023/12/11 17:30 | Dennis Klein v Lichen Wang | W | 3-0 |
| Challenger Series TT | 2023/12/11 12:50 | Dennis Klein v Mike Hollo | W | 3-0 |
| Challenger Series TT | 2023/12/11 10:10 | Dennis Klein v Alexander Valuch | W | 3-0 |
| Challenger Series TT | 2023/12/11 07:30 | Dennis Klein v Liang Qiu | W | 3-0 |
| Challenger Series TT | 2023/11/14 14:30 | Dennis Klein v Dauud Cheaib | W | 3-0 |
| Challenger Series TT | 2023/11/14 12:25 | Dennis Klein v Martin Baechler | W | 3-0 |
| Challenger Series TT | 2023/11/14 10:50 | Dennis Klein v Liang Qiu | W | 3-0 |
| Challenger Series TT | 2023/12/11 19:30 | Kirill Fadeev v Bohdan Sinkevych | W | 2-3 |
| Challenger Series TT | 2023/12/11 16:10 | Bohdan Sinkevych v Liang Qiu | L | 1-3 |
| Challenger Series TT | 2023/12/11 14:10 | Jeromy Loffler v Bohdan Sinkevych | L | 3-1 |
| Challenger Series TT | 2023/12/11 11:30 | Lichen Wang v Bohdan Sinkevych | L | 3-0 |
| Challenger Series TT | 2023/12/11 08:50 | Mike Hollo v Bohdan Sinkevych | L | 3-0 |
| Challenger Series TT | 2023/08/04 09:10 | Marco Stefanidis v Bohdan Sinkevych | W | 1-3 |
| Challenger Series TT | 2023/08/04 07:10 | Bohdan Sinkevych v Karl Zimmermann | W | 3-1 |
| Challenger Series TT | 2023/08/03 19:10 | Daniel Rinderer v Bohdan Sinkevych | L | 3-0 |