| 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 |
| Challenger Ochsenhausen | 2021/05/05 07:10 | Carlos Muhlbach v Florian Bluhm | W | 3-1 |
| Challenger Ochsenhausen | 2021/05/04 14:40 | Enio Mendes v Carlos Muhlbach | W | 0-3 |
| Challenger Ochsenhausen | 2021/05/04 13:15 | Florian Bluhm v Carlos Muhlbach | W | 1-3 |
| Challenger Ochsenhausen | 2021/05/04 09:40 | Marius Henninger v Carlos Muhlbach | W | 1-3 |
| Challenger Ochsenhausen | 2021/05/04 08:20 | Enio Mendes v Carlos Muhlbach | L | 3-2 |
| 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 |
| Challenger Ochsenhausen | 2021/05/05 08:30 | Michael Engelhardt v Florian Saljani | W | 3-0 |