| Challenger Ochsenhausen | 2021/05/24 09:10 | Daniel Rinderer v Ahmed El-Mahdy | W | 3-0 |
| Challenger Ochsenhausen | 2021/05/24 06:30 | Daniel Rinderer v Dennis Klein | L | 2-3 |
| Challenger Ochsenhausen | 2021/04/20 11:40 | Evgueni Chtchetinine v Daniel Rinderer | W | 2-3 |
| Challenger Ochsenhausen | 2021/04/20 07:40 | Marius Henninger v Daniel Rinderer | W | 2-3 |
| Challenger Ochsenhausen | 2021/04/19 19:20 | Daniel Rinderer v Josip Huzjak | W | 3-2 |
| Challenger Ochsenhausen | 2021/04/19 16:00 | Daniel Rinderer v Dauud Cheaib | L | 0-3 |
| Challenger Ochsenhausen | 2021/04/19 14:00 | Francisco Sanchi v Daniel Rinderer | L | 3-1 |
| Challenger Ochsenhausen | 2021/04/19 10:30 | Jiri Martinko v Daniel Rinderer | L | 3-1 |
| Challenger Ochsenhausen | 2021/05/24 09:50 | Henning Zeptner v Dillon Chambers | L | 1-3 |
| Challenger Ochsenhausen | 2021/05/24 07:50 | Henning Zeptner v Christopher Ligocki | W | 3-1 |
| Challenger Ochsenhausen | 2021/05/07 11:30 | Florian Bluhm v Henning Zeptner | L | 3-2 |
| Challenger Ochsenhausen | 2021/05/07 10:45 | Carlos Muhlbach v Henning Zeptner | L | 3-0 |
| Challenger Ochsenhausen | 2021/05/07 08:25 | Henning Zeptner v Florian Saljani | W | 3-0 |
| Challenger Ochsenhausen | 2021/05/07 06:30 | Henning Zeptner v Michael Engelhardt | W | 3-0 |
| Challenger Ochsenhausen | 2021/05/06 09:50 | Henning Zeptner v Carlo Rossi | W | 3-1 |
| Challenger Ochsenhausen | 2021/05/06 07:10 | Carlos Muhlbach v Henning Zeptner | L | 3-2 |