| Challenger Ochsenhausen | 2021/06/04 08:30 | Dillon Chambers v Samuel Amann | L | 3-0 |
| Challenger Ochsenhausen | 2021/06/04 08:30 | Dillon Chambers v Samuel Amann | L | 3-0 |
| Challenger Ochsenhausen | 2021/06/03 12:30 | Fedor Kuzmin v Samuel Amann | L | 3-0 |
| Challenger Ochsenhausen | 2021/06/03 09:50 | Peter Hribar v Samuel Amann | L | 3-0 |
| Challenger Ochsenhausen | 2021/06/03 07:50 | Evgueni Chtchetinine v Samuel Amann | L | 3-0 |
| Challenger Ochsenhausen | 2021/06/02 12:30 | Dennis Klein v Samuel Amann | L | 3-0 |
| 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 | 2021/06/11 09:50 | Michael Engelhardt v Dillon Chambers | W | 0-3 |
| Challenger Ochsenhausen | 2021/06/11 07:50 | Johannes Schnabel v Dillon Chambers | W | 0-3 |
| Challenger Ochsenhausen | 2021/06/10 11:10 | Dillon Chambers v Carlos Muhlbach | L | 0-3 |
| Challenger Ochsenhausen | 2021/06/10 07:50 | Dillon Chambers v Lars Brinkhaus | W | 3-0 |
| Challenger Ochsenhausen | 2021/06/10 06:30 | Miguel Chamorro v Dillon Chambers | W | 2-3 |
| Challenger Ochsenhausen | 2021/06/09 10:30 | Andrey Semenov v Dillon Chambers | L | 3-0 |
| Challenger Ochsenhausen | 2021/06/09 07:50 | Dennis Klein v Dillon Chambers | L | 3-0 |
| Others | 2021/06/04 12:50 | Dillon Chambers v Peter Hribar | L | 0-3 |