| Challenger Ochsenhausen | 2021/06/28 14:00 | Andrey Semenov v Josip Huzjak | W | 3-0 |
| Challenger Ochsenhausen | 2021/06/28 11:10 | 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 | 2021/06/28 14:40 | Alexander Valuch v Henning Zeptner | L | 3-1 |
| Challenger Ochsenhausen | 2021/06/28 09:50 | Dauud Cheaib v Henning Zeptner | L | 3-1 |
| Challenger Ochsenhausen | 2021/06/28 07:10 | Christopher Ligocki v Henning Zeptner | W | 2-3 |
| Challenger Ochsenhausen | 2021/06/18 10:30 | Henning Zeptner v Dauud Cheaib | L | 0-3 |
| Challenger Ochsenhausen | 2021/06/18 07:50 | Henning Zeptner v Fedor Kuzmin | L | 1-3 |
| Challenger Ochsenhausen | 2021/06/17 11:50 | Henning Zeptner v Harmeet Desai | L | 0-3 |
| Challenger Ochsenhausen | 2021/06/17 08:30 | Henning Zeptner v Miguel Chamorro | W | 3-2 |
| Challenger Ochsenhausen | 2021/06/16 11:50 | Henning Zeptner v Samuel Amann | W | 3-1 |