Stadium: Ochsenhausen, Germany
| 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 |
| Challenger Series TT | 2023/03/28 09:50 | Makoto Nogami v Bohdan Sinkevych | L | 3-2 |
| Challenger Series TT | 2023/03/10 11:30 | Karl Zimmermann v Dillon Chambers | L | 1-3 |
| Challenger Series TT | 2023/03/10 08:50 | Karl Zimmermann v Guilherme Teodoro | L | 1-3 |
| Challenger Series TT | 2023/03/09 20:10 | Karl Zimmermann v Thibault Poret | L | 0-3 |
| Challenger Series TT | 2023/03/09 15:30 | Karl Zimmermann v Damian Zech | W | 3-0 |
| Challenger Series TT | 2023/03/09 13:30 | Karl Zimmermann v Samuel Amann | W | 3-0 |
| Challenger Series TT | 2023/03/09 10:10 | Kirill Fadeev v Karl Zimmermann | L | 3-1 |
| Challenger Series TT | 2023/03/09 08:10 | Karl Zimmermann v Dimitrije Levajac | L | 0-3 |
| Challenger Series TT | 2022/12/13 09:30 | Kenan Hrnic v Karl Zimmermann | W | 1-3 |