Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/06/29 13:10 | Dauud Cheaib v Bohdan Sinkevych | L | 3-0 |
| Challenger Series TT | 2023/06/29 10:30 | Carlo Rossi v Bohdan Sinkevych | L | 3-0 |
| Challenger Series TT | 2023/06/29 07:50 | Anton Limonov v Bohdan Sinkevych | L | 3-0 |
| Challenger Series TT | 2023/05/29 11:10 | Peter Hribar v Bohdan Sinkevych | L | 3-0 |
| Challenger Series TT | 2023/05/29 06:30 | Anton Limonov v Bohdan Sinkevych | L | 3-2 |
| Challenger Series TT | 2023/05/05 09:50 | Makoto Nogami v Bohdan Sinkevych | W | 2-3 |
| Challenger Series TT | 2023/05/05 08:30 | Bohdan Sinkevych v Kirill Fadeev | L | 2-3 |
| Challenger Series TT | 2023/05/04 18:30 | Peter Hribar v Bohdan Sinkevych | L | 3-0 |
| Challenger Series TT | 2023/06/29 12:30 | Liang Qiu v Felix Kohler | L | 3-1 |
| Challenger Series TT | 2023/06/29 11:10 | Dauud Cheaib v Felix Kohler | L | 3-0 |
| Challenger Series TT | 2023/06/29 06:30 | Jeromy Loffler v Felix Kohler | L | 3-0 |
| Challenger Series TT | 2023/03/14 11:30 | Felix Kohler v Dauud Cheaib | L | 0-3 |
| Challenger Series TT | 2023/03/14 08:50 | Felix Kohler v Anton Limonov | L | 0-3 |
| Challenger Series TT | 2023/03/13 20:10 | Felix Kohler v Ahmed El-Mahdy | L | 0-3 |
| Challenger Series TT | 2023/03/13 15:30 | Felix Kohler v Sven Happek | L | 1-3 |
| Challenger Series TT | 2023/03/13 13:30 | Felix Kohler v Makoto Nogami | W | 3-2 |