Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/03/14 10:50 | Michael Engelhardt v Peter Hribar | L | 1-3 |
| Challenger Series TT | 2023/05/02 08:30 | Benjamin Fruchart v Michael Engelhardt | L | 3-1 |
| Challenger Series TT | 2023/05/02 07:10 | Alexander Sverdlik v Michael Engelhardt | W | 2-3 |
| Challenger Series TT | 2023/05/01 17:10 | Nico Longhino v Michael Engelhardt | L | 3-2 |
| Challenger Series TT | 2023/05/01 15:10 | Snehit Suravajjula v Michael Engelhardt | L | 3-0 |
| Challenger Series TT | 2023/05/01 12:30 | Kirill Fadeev v Michael Engelhardt | L | 3-0 |
| Challenger Series TT | 2023/05/01 11:10 | George Downing v Michael Engelhardt | W | 1-3 |
| Challenger Series TT | 2023/05/01 06:30 | Dennis Klein v Michael Engelhardt | L | 3-0 |
| Challenger Series TT | 2023/04/18 09:50 | Michael Engelhardt v Dillon Chambers | L | 2-3 |
| Challenger Series TT | 2023/05/04 18:30 | Peter Hribar v Bohdan Sinkevych | W | 3-0 |
| 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 |