Estadio: Ochsenhausen, Germany
| Challenger Series TT | 2023/04/10 14:30 | Bohdan Sinkevych v Peter Hribar | W | 0-3 |
| Challenger Series TT | 2023/05/04 15:10 | Peter Hribar v Kirill Fadeev | W | 3-0 |
| Challenger Series TT | 2023/05/04 13:10 | Akito Itagaki v Peter Hribar | W | 0-3 |
| Challenger Series TT | 2023/05/04 10:30 | Benjamin Fruchart v Peter Hribar | W | 2-3 |
| Challenger Series TT | 2023/05/04 07:50 | Dennis Klein v Peter Hribar | L | 3-0 |
| Challenger Series TT | 2023/04/11 12:51 | Miguel Nunez v Peter Hribar | W | 0-3 |
| Challenger Series TT | 2023/04/11 12:50 | Miguel Nunez v Peter Hribar | W | 0-3 |
| Challenger Series TT | 2023/04/11 12:05 | Dauud Cheaib v Peter Hribar | L | 3-0 |
| Challenger Series TT | 2023/04/11 09:10 | Peter Hribar v Florian Bluhm | L | 1-3 |
| 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 |
| 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 |