| Challenger Ochsenhausen | 2021/06/15 09:00 | Samuel Amann v Josip Huzjak | L | 0-3 |
| Challenger Ochsenhausen | 2021/06/14 20:00 | Samuel Amann v Dauud Cheaib | L | 0-3 |
| Challenger Ochsenhausen | 2021/06/14 15:20 | Samuel Amann v Michael Engelhardt | L | 0-3 |
| Challenger Ochsenhausen | 2021/06/14 12:30 | Samuel Amann v Florian Bluhm | L | 0-3 |
| Challenger Ochsenhausen | 2021/06/14 09:10 | Marius Henninger v Samuel Amann | L | 3-1 |
| Challenger Ochsenhausen | 2021/06/14 07:10 | Samuel Amann v Dillon Chambers | L | 1-3 |
| Challenger Ochsenhausen | 2021/06/04 08:30 | Dillon Chambers v Samuel Amann | L | 3-0 |
| Challenger Ochsenhausen | 2021/06/03 12:30 | Fedor Kuzmin v Samuel Amann | L | 3-0 |
| 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 | 2021/06/14 10:30 | Dauud Cheaib v Andrey Semenov | W | 2-3 |
| Challenger Ochsenhausen | 2021/06/14 07:50 | Michael Engelhardt v Andrey Semenov | W | 0-3 |
| Challenger Ochsenhausen | 2021/06/11 12:50 | Andrey Semenov v Miguel Chamorro | W | 3-0 |
| Challenger Ochsenhausen | 2021/06/11 11:25 | Carlos Muhlbach v Andrey Semenov | L | 3-0 |