| Challenger Ochsenhausen | 2021/06/09 09:10 | Johannes Schnabel v Michael Engelhardt | L | 1-3 |
| Challenger Ochsenhausen | 2021/06/09 06:30 | Johannes Schnabel v Lars Brinkhaus | L | 2-3 |
| Challenger Ochsenhausen | 2021/06/08 11:00 | Felix Wetzel v Johannes Schnabel | L | 3-0 |
| Challenger Ochsenhausen | 2021/06/08 09:40 | Johannes Schnabel v Marius Henninger | L | 1-3 |
| Challenger Ochsenhausen | 2021/06/07 19:20 | Carlos Muhlbach v Johannes Schnabel | L | 3-0 |
| Challenger Ochsenhausen | 2021/06/07 16:40 | Andrey Semenov v Johannes Schnabel | L | 3-0 |
| Challenger Ochsenhausen | 2021/06/07 14:40 | Dauud Cheaib v Johannes Schnabel | L | 3-0 |
| Challenger Ochsenhausen | 2021/06/07 09:50 | Lars Brinkhaus v Johannes Schnabel | L | 3-1 |
| Challenger Ochsenhausen | 2021/06/09 09:50 | Dennis Klein v Carlos Muhlbach | W | 3-2 |
| Challenger Ochsenhausen | 2021/06/09 07:50 | Dennis Klein v Dillon Chambers | W | 3-0 |
| Challenger Ochsenhausen | 2021/06/04 13:30 | Dauud Cheaib v Dennis Klein | W | 0-3 |
| Challenger Ochsenhausen | 2021/06/04 12:05 | Peter Hribar v Dennis Klein | W | 1-3 |
| Challenger Ochsenhausen | 2021/06/04 09:50 | Dennis Klein v Evgueni Chtchetinine | W | 3-1 |
| Challenger Ochsenhausen | 2021/06/04 07:10 | Dennis Klein v Dauud Cheaib | L | 2-3 |
| Challenger Ochsenhausen | 2021/06/03 10:30 | Dennis Klein v Dillon Chambers | W | 3-0 |
| Challenger Ochsenhausen | 2021/06/03 07:10 | Dennis Klein v Peter Hribar | L | 0-3 |