| Challenger Ochsenhausen | 2021/06/07 14:00 | Andrey Semenov v Carlos Muhlbach | L | 0-3 |
| Challenger Ochsenhausen | 2021/06/09 10:30 | Andrey Semenov v Dillon Chambers | W | 3-0 |
| Challenger Ochsenhausen | 2021/06/09 08:30 | Andrey Semenov v Miguel Chamorro | L | 1-3 |
| Challenger Ochsenhausen | 2021/06/08 09:00 | Florian Bluhm v Andrey Semenov | W | 0-3 |
| Challenger Ochsenhausen | 2021/06/08 07:00 | Lars Brinkhaus v Andrey Semenov | W | 2-3 |
| Challenger Ochsenhausen | 2021/06/07 18:40 | Felix Wetzel v Andrey Semenov | L | 3-0 |
| Challenger Ochsenhausen | 2021/06/07 16:40 | Andrey Semenov v Johannes Schnabel | W | 3-0 |
| Challenger Ochsenhausen | 2021/06/07 14:00 | Andrey Semenov v Carlos Muhlbach | L | 0-3 |
| Challenger Ochsenhausen | 2021/06/07 11:10 | Andrey Semenov v Marius Henninger | W | 3-2 |
| Challenger Ochsenhausen | 2021/06/09 09:50 | Dennis Klein v Carlos Muhlbach | L | 3-2 |
| Challenger Ochsenhausen | 2021/06/09 07:10 | Michael Engelhardt v Carlos Muhlbach | W | 0-3 |
| Challenger Ochsenhausen | 2021/06/08 14:40 | Dauud Cheaib v Carlos Muhlbach | L | 3-0 |
| Challenger Ochsenhausen | 2021/06/08 13:15 | Felix Wetzel v Carlos Muhlbach | W | 0-3 |
| Challenger Ochsenhausen | 2021/06/08 11:40 | Florian Bluhm v Carlos Muhlbach | W | 2-3 |
| Challenger Ochsenhausen | 2021/06/08 07:40 | Felix Wetzel v Carlos Muhlbach | L | 3-0 |
| Challenger Ochsenhausen | 2021/06/07 19:20 | Carlos Muhlbach v Johannes Schnabel | W | 3-0 |
| Challenger Ochsenhausen | 2021/06/07 16:00 | Carlos Muhlbach v Marius Henninger | W | 3-0 |