| Challenger Ochsenhausen | 2021/06/08 07:00 | Lars Brinkhaus v Andrey Semenov | W | 2-3 |
| Challenger Ochsenhausen | 2021/06/11 06:30 | Dennis Klein v Andrey Semenov | W | 1-3 |
| Challenger Ochsenhausen | 2021/06/10 10:30 | Michael Engelhardt v Andrey Semenov | L | 3-2 |
| Challenger Ochsenhausen | 2021/06/10 08:30 | Johannes Schnabel v Andrey Semenov | W | 1-3 |
| Challenger Ochsenhausen | 2021/06/09 13:10 | 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 | 2021/06/10 12:30 | Carlos Muhlbach v Lars Brinkhaus | L | 3-0 |
| Challenger Ochsenhausen | 2021/06/10 09:50 | Dennis Klein v Lars Brinkhaus | L | 3-0 |
| Challenger Ochsenhausen | 2021/06/10 07:50 | Dillon Chambers v Lars Brinkhaus | L | 3-0 |
| Challenger Ochsenhausen | 2021/06/09 12:30 | Michael Engelhardt v Lars Brinkhaus | L | 3-0 |
| Challenger Ochsenhausen | 2021/06/09 11:10 | Miguel Chamorro v Lars Brinkhaus | L | 3-0 |
| Challenger Ochsenhausen | 2021/06/09 06:30 | Johannes Schnabel v Lars Brinkhaus | W | 2-3 |
| Challenger Ochsenhausen | 2021/06/08 10:20 | Lars Brinkhaus v Dauud Cheaib | L | 0-3 |
| Challenger Ochsenhausen | 2021/06/08 07:00 | Lars Brinkhaus v Andrey Semenov | L | 2-3 |