Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/01/30 18:10 | Damian Zech v Samuel Amann | W | 3-0 |
| Challenger Series TT | 2022/08/26 08:30 | Damian Zech v Samuel Amann | L | 2-3 |
| Challenger Series TT | 2022/08/08 09:50 | Damian Zech v Samuel Amann | W | 3-0 |
| Challenger Ochsenhausen | 2022/06/27 11:50 | Samuel Amann v Damian Zech | W | 1-3 |
| Challenger Ochsenhausen | 2022/01/20 07:30 | Samuel Amann v Damian Zech | W | 0-3 |
| Challenger Series TT | 2023/02/03 10:10 | Damian Zech v Hannes Hormann | L | 1-3 |
| Challenger Series TT | 2023/02/02 20:50 | Damian Zech v Nikola Grujic | L | 1-3 |
| Challenger Series TT | 2023/02/02 18:10 | Damian Zech v Kirill Fadeev | L | 2-3 |
| Challenger Series TT | 2023/02/02 15:30 | Kenan Hrnic v Damian Zech | W | 1-3 |
| Challenger Series TT | 2023/02/02 12:50 | Dennis Klein v Damian Zech | L | 3-0 |
| Challenger Series TT | 2023/02/02 10:50 | Damian Zech v Anton Limonov | L | 0-3 |
| Challenger Series TT | 2023/02/02 08:50 | Damian Zech v Dillon Chambers | L | 1-3 |
| Challenger Series TT | 2023/01/31 10:10 | Damian Zech v Albert Vilardell | L | 0-3 |
| Challenger Series TT | 2023/01/31 09:30 | Guilherme Teodoro v Samuel Amann | L | 3-0 |
| Challenger Series TT | 2023/01/31 08:10 | Albert Vilardell v Samuel Amann | L | 3-0 |
| Challenger Series TT | 2023/01/30 18:10 | Damian Zech v Samuel Amann | L | 3-0 |
| Challenger Series TT | 2023/01/30 16:10 | Nikola Grujic v Samuel Amann | L | 3-0 |
| Challenger Series TT | 2023/01/30 13:30 | Makoto Nogami v Samuel Amann | L | 3-0 |
| Challenger Series TT | 2023/01/30 12:10 | Josip Huzjak v Samuel Amann | L | 3-0 |
| Challenger Series TT | 2023/01/30 07:30 | Florian Bluhm v Samuel Amann | L | 3-0 |
| Challenger Series TT | 2023/01/06 10:10 | Kirill Fadeev v Samuel Amann | L | 3-0 |