| Challenger Ochsenhausen | 2021/06/07 16:00 | Carlos Muhlbach v Marius Henninger | W | 3-0 |
| Challenger Ochsenhausen | 2021/06/07 14:00 | Andrey Semenov v Carlos Muhlbach | W | 0-3 |
| Challenger Ochsenhausen | 2021/06/07 10:30 | Dauud Cheaib v Carlos Muhlbach | L | 3-0 |
| Challenger Ochsenhausen | 2021/06/07 07:50 | Lars Brinkhaus v Carlos Muhlbach | W | 0-3 |
| Challenger Ochsenhausen | 2021/05/18 14:40 | Carlos Muhlbach v Dauud Cheaib | L | 0-3 |
| Challenger Ochsenhausen | 2021/05/18 12:35 | Carlos Muhlbach v Evgueni Chtchetinine | W | 3-0 |
| Challenger Ochsenhausen | 2021/05/18 11:00 | Carlos Muhlbach v Evgueni Chtchetinine | W | 3-0 |
| Challenger Ochsenhausen | 2021/05/18 07:40 | Carlos Muhlbach v Jonathan Thimon | W | 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 | 2021/06/07 07:10 | Florian Bluhm v Johannes Schnabel | L | 3-0 |