| Challenger Ochsenhausen | 2021/05/10 09:10 | Dennis Klein v Juri Grauer | W | 3-0 |
| Challenger Ochsenhausen | 2021/05/10 06:30 | Dennis Klein v Florian Bluhm | W | 3-1 |
| Challenger Ochsenhausen | 2021/04/20 14:40 | Francisco Sanchi v Dennis Klein | L | 3-2 |
| Challenger Ochsenhausen | 2021/04/20 13:15 | Dennis Klein v Dauud Cheaib | W | 3-2 |
| Challenger Ochsenhausen | 2021/04/20 10:20 | Dennis Klein v Jiri Martinko | L | 1-3 |
| Challenger Ochsenhausen | 2021/04/20 07:00 | Dennis Klein v Francisco Sanchi | W | 3-1 |
| Challenger Ochsenhausen | 2021/04/19 18:00 | Dennis Klein v Dauud Cheaib | W | 3-0 |
| Challenger Ochsenhausen | 2021/04/19 15:20 | Evgueni Chtchetinine v Dennis Klein | W | 2-3 |
| Challenger Ochsenhausen | 2021/05/10 09:50 | Michael Engelhardt v Samuel Amann | W | 3-0 |
| Challenger Ochsenhausen | 2021/05/10 07:50 | Michael Engelhardt v Josip Huzjak | L | 0-3 |
| Challenger Ochsenhausen | 2021/05/07 07:50 | Michael Engelhardt v Carlo Rossi | L | 1-3 |
| Challenger Ochsenhausen | 2021/05/07 06:30 | Henning Zeptner v Michael Engelhardt | L | 3-0 |
| Challenger Ochsenhausen | 2021/05/06 10:30 | Carlos Muhlbach v Michael Engelhardt | L | 3-0 |
| Challenger Ochsenhausen | 2021/05/06 08:30 | Enio Mendes v Michael Engelhardt | L | 3-0 |
| Challenger Ochsenhausen | 2021/05/05 13:10 | Michael Engelhardt v Florian Bluhm | L | 0-3 |
| Challenger Ochsenhausen | 2021/05/05 10:30 | Michael Engelhardt v Jonathan Thimon | L | 1-3 |