| Challenger Ochsenhausen | 2021/05/31 16:00 | Daniel Rinderer v Dauud Cheaib | L | 1-3 |
| Challenger Ochsenhausen | 2021/04/19 16:00 | Daniel Rinderer v Dauud Cheaib | L | 0-3 |
| Challenger Ochsenhausen | 2021/06/01 11:40 | Valerij Rakov v Daniel Rinderer | W | 0-3 |
| Challenger Ochsenhausen | 2021/06/01 07:40 | Josip Huzjak v Daniel Rinderer | W | 2-3 |
| Challenger Ochsenhausen | 2021/05/31 19:20 | Daniel Rinderer v Fedor Kuzmin | L | 0-3 |
| Challenger Ochsenhausen | 2021/05/31 16:00 | Daniel Rinderer v Dauud Cheaib | L | 1-3 |
| Challenger Ochsenhausen | 2021/05/31 14:00 | Ahmed El-Mahdy v Daniel Rinderer | W | 0-3 |
| Challenger Ochsenhausen | 2021/05/31 10:30 | Harmeet Desai v Daniel Rinderer | L | 3-0 |
| Challenger Ochsenhausen | 2021/05/31 07:50 | Dennis Klein v Daniel Rinderer | L | 3-1 |
| Challenger Ochsenhausen | 2021/05/25 14:00 | Daniel Rinderer v Josip Huzjak | W | 3-1 |
| Challenger Ochsenhausen | 2021/06/18 13:30 | Dauud Cheaib v Fedor Kuzmin | W | 3-2 |
| Challenger Ochsenhausen | 2021/06/18 11:25 | Dauud Cheaib v Sven Happek | W | 3-1 |
| Challenger Ochsenhausen | 2021/06/18 10:30 | Henning Zeptner v Dauud Cheaib | W | 0-3 |
| Challenger Ochsenhausen | 2021/06/17 12:30 | Dauud Cheaib v Christopher Ligocki | W | 3-0 |
| Challenger Ochsenhausen | 2021/06/17 11:10 | Fedor Kuzmin v Dauud Cheaib | W | 2-3 |
| Challenger Ochsenhausen | 2021/06/17 09:10 | Harmeet Desai v Dauud Cheaib | W | 1-3 |
| Challenger Ochsenhausen | 2021/06/16 13:10 | Miguel Chamorro v Dauud Cheaib | W | 0-3 |
| Challenger Ochsenhausen | 2021/06/16 09:50 | Samuel Amann v Dauud Cheaib | W | 0-3 |