| Challenger Ochsenhausen | 2021/05/24 15:20 | Ahmed El-Mahdy v Henning Zeptner | L | 3-1 |
| Challenger Ochsenhausen | 2021/05/24 11:50 | Daniel Rinderer v Henning Zeptner | 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 | 2021/05/24 16:00 | Christopher Ligocki v Dennis Klein | W | 1-3 |
| Challenger Ochsenhausen | 2021/05/24 12:30 | Ahmed El-Mahdy v Dennis Klein | W | 0-3 |
| Challenger Ochsenhausen | 2021/05/24 11:10 | Ali Gozubuyuk v Dennis Klein | W | 2-3 |
| Challenger Ochsenhausen | 2021/05/24 06:30 | Daniel Rinderer v Dennis Klein | W | 2-3 |
| Challenger Ochsenhausen | 2021/05/11 14:40 | Dennis Klein v Fedor Kuzmin | L | 0-3 |
| Challenger Ochsenhausen | 2021/05/11 12:35 | Carlo Rossi v Dennis Klein | W | 2-3 |
| Challenger Ochsenhausen | 2021/05/11 11:00 | Dennis Klein v Samuel Amann | W | 3-0 |
| Challenger Ochsenhausen | 2021/05/11 07:40 | Dennis Klein v Josip Huzjak | W | 3-2 |