Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/03/02 13:30 | Samuel Amann v Damian Zech | W | 0-3 |
| 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 | 2023/03/09 15:30 | Karl Zimmermann v Damian Zech | L | 3-0 |
| Challenger Series TT | 2023/03/09 12:50 | Kirill Fadeev v Damian Zech | L | 3-0 |
| Challenger Series TT | 2023/03/09 10:50 | Damian Zech v Dimitrije Levajac | L | 0-3 |
| Challenger Series TT | 2023/03/09 08:50 | Damian Zech v Dillon Chambers | L | 1-3 |
| Challenger Series TT | 2023/03/03 09:30 | Marco Stefanidis v Damian Zech | W | 1-3 |
| Challenger Series TT | 2023/03/03 08:10 | Dillon Chambers v Damian Zech | L | 3-1 |
| Challenger Series TT | 2023/03/02 18:10 | Albert Vilardell v Damian Zech | L | 3-2 |
| Challenger Series TT | 2023/03/02 16:10 | Guilherme Teodoro v Damian Zech | L | 3-0 |
| Challenger Series TT | 2023/03/09 16:10 | Dillon Chambers v Samuel Amann | L | 3-2 |
| Challenger Series TT | 2023/03/09 13:30 | Karl Zimmermann v Samuel Amann | L | 3-0 |
| Challenger Series TT | 2023/03/09 12:10 | Guilherme Teodoro v Samuel Amann | L | 3-1 |
| Challenger Series TT | 2023/03/09 07:30 | Kirill Fadeev v Samuel Amann | L | 3-1 |
| Challenger Series TT | 2023/03/03 11:30 | Samuel Amann v Guilherme Teodoro | L | 0-3 |
| Challenger Series TT | 2023/03/03 08:50 | Samuel Amann v Anton Limonov | L | 0-3 |
| Challenger Series TT | 2023/03/02 20:10 | Samuel Amann v Dillon Chambers | L | 0-3 |
| Challenger Series TT | 2023/03/02 15:30 | Samuel Amann v Albert Vilardell | L | 0-3 |