| 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 | 2021/06/07 08:30 | Dauud Cheaib v Andrey Semenov | L | 3-1 |
| Challenger Ochsenhausen | 2021/06/09 07:50 | Dennis Klein v Dillon Chambers | L | 3-0 |
| Others | 2021/06/04 12:50 | Dillon Chambers v Peter Hribar | L | 0-3 |
| Challenger Ochsenhausen | 2021/06/04 11:25 | Dauud Cheaib v Dillon Chambers | L | 3-0 |
| Challenger Ochsenhausen | 2021/06/04 08:30 | Dillon Chambers v Samuel Amann | W | 3-0 |
| Challenger Ochsenhausen | 2021/06/04 06:30 | Peter Hribar v Dillon Chambers | L | 3-2 |
| Challenger Ochsenhausen | 2021/06/03 10:30 | Dennis Klein v Dillon Chambers | L | 3-0 |
| Challenger Ochsenhausen | 2021/06/03 08:30 | Christopher Ligocki v Dillon Chambers | W | 0-3 |
| Challenger Ochsenhausen | 2021/06/02 13:10 | Dillon Chambers v Fedor Kuzmin | W | 3-2 |