| Challenger Ochsenhausen | 2021/05/07 12:10 | Carlo Rossi v Carlos Muhlbach | L | 3-1 |
| Challenger Ochsenhausen | 2021/05/07 10:45 | Carlos Muhlbach v Henning Zeptner | W | 3-0 |
| Challenger Ochsenhausen | 2021/05/07 09:10 | Carlos Muhlbach v Jonathan Thimon | W | 3-1 |
| Challenger Ochsenhausen | 2021/05/07 07:10 | Carlos Muhlbach v Florian Saljani | W | 3-0 |
| Challenger Ochsenhausen | 2021/05/06 10:30 | Carlos Muhlbach v Michael Engelhardt | W | 3-0 |
| Challenger Ochsenhausen | 2021/05/06 07:10 | Carlos Muhlbach v Henning Zeptner | W | 3-2 |
| Challenger Ochsenhausen | 2021/05/05 12:30 | Carlos Muhlbach v Carlo Rossi | L | 2-3 |
| Challenger Ochsenhausen | 2021/05/05 09:10 | Enio Mendes v Carlos Muhlbach | L | 3-2 |