Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/05/04 07:10 | Damian Zech v Bohdan Sinkevych | W | 3-2 |
| Challenger Series TT | 2023/01/13 07:30 | Damian Zech v Bohdan Sinkevych | L | 1-3 |
| Challenger Series TT | 2022/10/07 07:10 | Damian Zech v Bohdan Sinkevych | L | 2-3 |
| Challenger Series TT | 2023/08/03 11:50 | Damian Zech v Marco Stefanidis | W | 3-1 |
| Challenger Series TT | 2023/08/03 09:10 | Damian Zech v Daniel Rinderer | L | 2-3 |
| Challenger Series TT | 2023/08/03 06:30 | Damian Zech v Karl Zimmermann | L | 1-3 |
| Challenger Series TT | 2023/07/28 08:30 | Antonin Gavlas v Damian Zech | L | 3-0 |
| Challenger Series TT | 2023/07/28 07:10 | Yoan Rebetez v Damian Zech | L | 3-0 |
| Challenger Series TT | 2023/07/27 14:30 | Guillaume Alcayde v Damian Zech | L | 3-0 |
| Challenger Series TT | 2023/07/27 12:30 | Daniel Rinderer v Damian Zech | L | 3-0 |
| Challenger Series TT | 2023/07/27 11:10 | Dauud Cheaib v Damian Zech | L | 3-0 |
| Challenger Series TT | 2023/08/03 13:50 | Bohdan Sinkevych v Hannes Hormann | L | 2-3 |
| Challenger Series TT | 2023/08/03 10:30 | Bohdan Sinkevych v Zengyi Wang | L | 1-3 |
| Challenger Series TT | 2023/08/03 08:30 | Bohdan Sinkevych v Anton Limonov | L | 1-3 |
| Challenger Series TT | 2023/07/25 08:30 | Hannes Hormann v Bohdan Sinkevych | W | 2-3 |
| Challenger Series TT | 2023/07/25 07:10 | Yannick Vostes v Bohdan Sinkevych | L | 3-1 |
| Challenger Series TT | 2023/07/24 17:10 | Antonin Gavlas v Bohdan Sinkevych | L | 3-0 |
| Challenger Series TT | 2023/07/24 15:10 | Guillaume Alcayde v Bohdan Sinkevych | L | 3-0 |
| Challenger Series TT | 2023/07/24 12:30 | Marius Henninger v Bohdan Sinkevych | L | 3-0 |