| Challenger Ochsenhausen | 2021/05/11 11:00 | Dennis Klein v Samuel Amann | W | 3-0 |
| Challenger Ochsenhausen | 2021/06/02 09:10 | Christopher Ligocki v Dennis Klein | W | 0-3 |
| Challenger Ochsenhausen | 2021/06/02 07:10 | Dennis Klein v Fedor Kuzmin | W | 3-0 |
| Challenger Ochsenhausen | 2021/06/01 14:00 | Dennis Klein v Fedor Kuzmin | L | 0-3 |
| Challenger Ochsenhausen | 2021/06/01 12:35 | Dennis Klein v Dauud Cheaib | L | 2-3 |
| Challenger Ochsenhausen | 2021/06/01 10:20 | Dennis Klein v Harmeet Desai | W | 3-1 |
| Challenger Ochsenhausen | 2021/06/01 07:00 | Dennis Klein v Ahmed El-Mahdy | W | 3-0 |
| Challenger Ochsenhausen | 2021/05/31 18:00 | Dennis Klein v Dauud Cheaib | W | 3-1 |
| Challenger Ochsenhausen | 2021/05/31 15:20 | Valerij Rakov v Dennis Klein | W | 0-3 |
| Challenger Ochsenhausen | 2021/06/02 11:10 | Dauud Cheaib v Samuel Amann | L | 3-0 |
| Challenger Ochsenhausen | 2021/06/02 06:30 | Christopher Ligocki v Samuel Amann | W | 1-3 |
| Challenger Ochsenhausen | 2021/05/11 11:00 | Dennis Klein v Samuel Amann | L | 3-0 |
| Challenger Ochsenhausen | 2021/05/11 09:40 | Samuel Amann v Florian Bluhm | L | 0-3 |
| Challenger Ochsenhausen | 2021/05/10 19:20 | Josip Huzjak v Samuel Amann | L | 3-0 |
| Challenger Ochsenhausen | 2021/05/10 16:40 | Fedor Kuzmin v Samuel Amann | L | 3-0 |
| Challenger Ochsenhausen | 2021/05/10 14:40 | Carlo Rossi v Samuel Amann | L | 3-0 |
| Challenger Ochsenhausen | 2021/05/10 09:50 | Michael Engelhardt v Samuel Amann | L | 3-0 |