| Challenger Ochsenhausen | 2021/06/11 06:30 | Dennis Klein v Andrey Semenov | W | 1-3 |
| Challenger Ochsenhausen | 2021/04/12 07:10 | Dennis Klein v Andrey Semenov | W | 1-3 |
| Challenger Ochsenhausen | 2021/03/23 08:40 | Andrey Semenov v Dennis Klein | L | 1-3 |
| Challenger Ochsenhausen | 2021/06/28 08:30 | Alexander Valuch v Andrey Semenov | L | 3-2 |
| Challenger Ochsenhausen | 2021/06/15 14:40 | Dauud Cheaib v Andrey Semenov | L | 3-0 |
| Challenger Ochsenhausen | 2021/06/15 13:15 | Florian Bluhm v Andrey Semenov | W | 1-3 |
| Challenger Ochsenhausen | 2021/06/15 11:40 | Samuel Amann v Andrey Semenov | W | 0-3 |
| Challenger Ochsenhausen | 2021/06/15 07:40 | Marius Henninger v Andrey Semenov | W | 2-3 |
| Challenger Ochsenhausen | 2021/06/14 19:20 | Andrey Semenov v Dillon Chambers | W | 3-0 |
| Challenger Ochsenhausen | 2021/06/14 16:00 | Andrey Semenov v Florian Bluhm | L | 0-3 |
| Challenger Ochsenhausen | 2021/06/14 14:00 | Josip Huzjak v Andrey Semenov | W | 2-3 |
| Challenger Ochsenhausen | 2021/06/28 06:30 | Liang Qiu v Dennis Klein | W | 2-3 |
| Challenger Ochsenhausen | 2021/06/11 13:30 | Carlos Muhlbach v Dennis Klein | L | 3-2 |
| Challenger Ochsenhausen | 2021/06/11 12:05 | Dennis Klein v Miguel Chamorro | W | 3-0 |
| Challenger Ochsenhausen | 2021/06/11 09:10 | Dennis Klein v Miguel Chamorro | W | 3-0 |
| Challenger Ochsenhausen | 2021/06/11 06:30 | Dennis Klein v Andrey Semenov | L | 1-3 |
| Challenger Ochsenhausen | 2021/06/10 09:50 | Dennis Klein v Lars Brinkhaus | W | 3-0 |
| Challenger Ochsenhausen | 2021/06/10 07:10 | Michael Engelhardt v Dennis Klein | W | 0-3 |
| Challenger Ochsenhausen | 2021/06/09 11:50 | Johannes Schnabel v Dennis Klein | W | 0-3 |