| 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 | 2021/06/16 07:10 | Sven Happek v Dauud Cheaib | L | 0-3 |
| Challenger - Ochsenhausen | 2021/04/01 12:30 | Sven Happek v Peter Hribar | L | 0-3 |
| Challenger - Ochsenhausen | 2021/04/01 11:10 | Jiri Martinko v Sven Happek | L | 3-0 |
| Challenger - Ochsenhausen | 2021/04/01 09:10 | Dillon Chambers v Sven Happek | L | 3-2 |
| Challenger - Ochsenhausen | 2021/06/17 11:50 | Henning Zeptner v Harmeet Desai | W | 0-3 |
| Challenger - Ochsenhausen | 2021/06/17 09:10 | Harmeet Desai v Dauud Cheaib | L | 1-3 |
| Challenger - Ochsenhausen | 2021/06/17 06:30 | Harmeet Desai v Fedor Kuzmin | W | 3-0 |
| Challenger - Ochsenhausen | 2021/06/16 11:10 | Harmeet Desai v Christopher Ligocki | W | 3-2 |
| Challenger - Ochsenhausen | 2021/06/16 08:30 | Miguel Chamorro v Harmeet Desai | W | 1-3 |
| Challenger - Ochsenhausen | 2021/06/01 14:40 | Dauud Cheaib v Harmeet Desai | W | 0-3 |
| Challenger - Ochsenhausen | 2021/06/01 13:15 | Fedor Kuzmin v Harmeet Desai | W | 0-3 |
| Challenger - Ochsenhausen | 2021/06/01 10:20 | Dennis Klein v Harmeet Desai | L | 3-1 |