Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/02/21 10:10 | Daniel Rinderer v Miguel Nunez | L | 2-3 |
| Challenger Series TT | 2023/02/21 07:30 | Daniel Rinderer v Dauud Cheaib | L | 1-3 |
| Challenger Series TT | 2023/02/20 16:50 | Daniel Rinderer v David Reitspies | L | 1-3 |
| Challenger Series TT | 2023/02/20 16:10 | Daniel Rinderer v Andrei Putuntica | L | 1-3 |
| Challenger Series TT | 2023/02/20 10:10 | Daniel Rinderer v Norbert Tauler | L | 2-3 |
| Challenger Series TT | 2023/02/20 07:30 | Daniel Rinderer v Pekka Pelz | W | 3-1 |
| Challenger Series TT | 2023/01/10 10:10 | Kestutis Zeimys v Daniel Rinderer | W | 2-3 |
| Challenger Series TT | 2023/01/10 08:10 | Daniel Rinderer v Dauud Cheaib | L | 2-3 |
| Challenger Series TT | 2023/02/03 10:10 | Damian Zech v Hannes Hoermann | W | 1-3 |
| Challenger Series TT | 2023/02/03 08:10 | Hannes Hoermann v Kirill Fadeev | L | 0-3 |
| Challenger Series TT | 2023/02/02 20:10 | Kenan Hrnic v Hannes Hoermann | W | 0-3 |
| Challenger Series TT | 2023/02/02 17:30 | Dennis Klein v Hannes Hoermann | L | 3-0 |
| Challenger Series TT | 2023/02/02 14:50 | Hannes Hoermann v Anton Limonov | L | 1-3 |
| Challenger Series TT | 2023/02/02 11:30 | Hannes Hoermann v Dillon Chambers | L | 1-3 |
| Challenger Series TT | 2023/02/02 09:30 | Hannes Hoermann v Nikola Grujic | L | 2-3 |