| Challenger Ochsenhausen | 2021/04/19 16:00 | Daniel Rinderer v Dauud Cheaib | L | 0-3 |
| 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 | 2021/05/25 12:35 | Dennis Klein v Daniel Rinderer | L | 3-1 |
| Challenger Ochsenhausen | 2021/05/25 11:00 | Daniel Rinderer v Dillon Chambers | L | 2-3 |
| Challenger Ochsenhausen | 2021/05/25 07:40 | Daniel Rinderer v Christopher Ligocki | W | 3-2 |
| Challenger Ochsenhausen | 2021/05/24 18:40 | Daniel Rinderer v Ali Gozubuyuk | W | 3-0 |
| Challenger Ochsenhausen | 2021/05/31 12:30 | Valerij Rakov v Dauud Cheaib | W | 0-3 |
| Challenger Ochsenhausen | 2021/05/31 11:10 | Ahmed El-Mahdy v Dauud Cheaib | W | 1-3 |
| Challenger Ochsenhausen | 2021/05/31 06:30 | Josip Huzjak v Dauud Cheaib | W | 0-3 |
| Challenger Ochsenhausen | 2021/05/18 14:40 | Carlos Muhlbach v Dauud Cheaib | W | 0-3 |
| Challenger Ochsenhausen | 2021/05/18 13:15 | Dauud Cheaib v Peter Hribar | W | 3-0 |
| Challenger Ochsenhausen | 2021/05/18 10:20 | Dauud Cheaib v Peter Hribar | W | 3-1 |
| Challenger Ochsenhausen | 2021/05/18 07:00 | Dauud Cheaib v Maciej Kubik | W | 3-1 |
| Challenger Ochsenhausen | 2021/05/17 18:00 | Dauud Cheaib v Ali Gozubuyuk | W | 3-0 |