Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/05/04 18:30 | Peter Hribar v Bohdan Sinkevych | W | 3-0 |
| Challenger Series TT | 2023/04/10 14:30 | Bohdan Sinkevych v Peter Hribar | W | 0-3 |
| Challenger Series TT | 2023/05/29 08:30 | Dauud Cheaib v Peter Hribar | W | 2-3 |
| Challenger Series TT | 2023/05/19 12:50 | Peter Hribar v Florian Bluhm | L | 2-3 |
| Challenger Series TT | 2023/05/19 11:25 | Antonin Gavlas v Peter Hribar | L | 3-2 |
| Challenger Series TT | 2023/05/19 09:10 | Marius Henninger v Peter Hribar | W | 0-3 |
| Challenger Series TT | 2023/05/19 07:10 | Peter Hribar v Pekka Pelz | L | 2-3 |
| Challenger Series TT | 2023/05/18 19:10 | Florian Bluhm v Peter Hribar | L | 3-1 |
| Challenger Series TT | 2023/05/18 16:30 | Liang Qiu v Peter Hribar | W | 1-3 |
| Challenger Series TT | 2023/05/18 13:50 | Peter Hribar v Amirreza Abbasi | L | 0-3 |
| 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 | 2023/05/04 15:50 | Akito Itagaki v Bohdan Sinkevych | W | 2-3 |
| Challenger Series TT | 2023/05/04 13:50 | Benjamin Fruchart v Bohdan Sinkevych | L | 3-0 |
| Challenger Series TT | 2023/05/04 09:50 | Dennis Klein v Bohdan Sinkevych | L | 3-0 |
| Challenger Series TT | 2023/05/04 07:10 | Damian Zech v Bohdan Sinkevych | L | 3-2 |