| Challenger Ochsenhausen | 2021/06/16 09:10 | Henning Zeptner v Sven Happek | W | 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 |
| Challenger Ochsenhausen | 2021/06/28 16:40 | Andrey Semenov v Henning Zeptner | L | 3-2 |
| 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 |