| Challenger - Ochsenhausen | 2021/06/18 06:30 | Samuel Amann v Miguel Chamorro | L | 0-3 |
| Challenger - Ochsenhausen | 2021/06/17 09:50 | Samuel Amann v Christopher Ligocki | W | 3-2 |
| Challenger - Ochsenhausen | 2021/06/17 07:10 | Sven Happek v Samuel Amann | L | 3-0 |
| Challenger - Ochsenhausen | 2021/06/16 11:50 | Henning Zeptner v Samuel Amann | L | 3-1 |
| Challenger - Ochsenhausen | 2021/06/16 09:50 | Samuel Amann v Dauud Cheaib | L | 0-3 |
| Challenger - Ochsenhausen | 2021/06/16 07:50 | Samuel Amann v Fedor Kuzmin | L | 0-3 |
| Challenger - Ochsenhausen | 2021/06/15 11:40 | Samuel Amann v Andrey Semenov | L | 0-3 |
| Challenger - Ochsenhausen | 2021/06/15 09:00 | Samuel Amann v Josip Huzjak | L | 0-3 |
| Challenger - Ochsenhausen | 2021/06/18 07:10 | Sven Happek v Harmeet Desai | W | 1-3 |
| 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 |