| 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 | 2021/06/14 16:00 | Andrey Semenov v Florian Bluhm | L | 0-3 |
| Challenger Ochsenhausen | 2021/06/18 12:50 | Sven Happek v Harmeet Desai | L | 0-3 |
| Challenger Ochsenhausen | 2021/06/18 11:25 | Dauud Cheaib v Sven Happek | L | 3-1 |
| Challenger Ochsenhausen | 2021/06/18 09:50 | Sven Happek v Fedor Kuzmin | L | 2-3 |
| Challenger Ochsenhausen | 2021/06/18 07:10 | Sven Happek v Harmeet Desai | L | 1-3 |
| Challenger Ochsenhausen | 2021/06/17 10:30 | Sven Happek v Miguel Chamorro | L | 2-3 |
| Challenger Ochsenhausen | 2021/06/17 07:10 | Sven Happek v Samuel Amann | W | 3-0 |
| Challenger Ochsenhausen | 2021/06/16 12:30 | Sven Happek v Christopher Ligocki | W | 3-1 |
| Challenger Ochsenhausen | 2021/06/16 09:10 | Henning Zeptner v Sven Happek | W | 0-3 |