| Challenger Ochsenhausen | 2021/10/04 09:50 | Andrey Semenov v Carlos Muhlbach | L | 3-0 |
| Challenger Ochsenhausen | 2021/06/11 11:25 | Carlos Muhlbach v Andrey Semenov | W | 3-0 |
| Challenger Ochsenhausen | 2021/06/09 13:10 | Andrey Semenov v Carlos Muhlbach | W | 0-3 |
| Challenger Ochsenhausen | 2021/06/07 14:00 | Andrey Semenov v Carlos Muhlbach | W | 0-3 |