Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/02/03 10:10 | Damian Zech v Hannes Hormann | L | 1-3 |
| Challenger Series TT | 2023/08/04 06:30 | Damian Zech v Zengyi Wang | L | 2-3 |
| Challenger Series TT | 2023/08/03 17:50 | Damian Zech v Anton Limonov | L | 0-3 |
| Challenger Series TT | 2023/08/03 16:30 | Damian Zech v Bohdan Sinkevych | L | 0-3 |
| Challenger Series TT | 2023/08/03 11:50 | Damian Zech v Marco Stefanidis | W | 3-1 |
| Challenger Series TT | 2023/08/03 09:10 | Damian Zech v Daniel Rinderer | L | 2-3 |
| Challenger Series TT | 2023/08/03 06:30 | Damian Zech v Karl Zimmermann | L | 1-3 |
| Challenger Series TT | 2023/07/28 08:30 | Antonin Gavlas v Damian Zech | L | 3-0 |
| Challenger Series TT | 2023/07/28 07:10 | Yoan Rebetez v Damian Zech | L | 3-0 |
| Challenger Series TT | 2023/08/04 08:30 | Hannes Hormann v Karl Zimmermann | W | 3-1 |
| Challenger Series TT | 2023/08/03 18:30 | Zengyi Wang v Hannes Hormann | L | 3-1 |
| Challenger Series TT | 2023/08/03 15:50 | Anton Limonov v Hannes Hormann | W | 0-3 |
| Challenger Series TT | 2023/08/03 13:50 | Bohdan Sinkevych v Hannes Hormann | W | 2-3 |
| Challenger Series TT | 2023/08/03 09:50 | Marco Stefanidis v Hannes Hormann | W | 2-3 |
| Challenger Series TT | 2023/08/03 07:10 | Daniel Rinderer v Hannes Hormann | L | 3-1 |
| Challenger Series TT | 2023/07/25 09:50 | Ihor Zavadskyi v Hannes Hormann | W | 1-3 |
| Challenger Series TT | 2023/07/25 09:50 | Igor Zavadskij v Hannes Hormann | W | 1-3 |