| Challenger Ochsenhausen | 2021/05/03 14:00 | Irvin Bertrand v Christian Tomsic | L | 3-0 |
| Challenger Ochsenhausen | 2021/05/03 10:30 | Enio Mendes v Christian Tomsic | L | 3-0 |
| Challenger Ochsenhausen | 2021/05/03 07:50 | Andrew Schonhaar v Christian Tomsic | W | 2-3 |
| Challenger Ochsenhausen | 2021/05/03 12:30 | Florian Bluhm v Carlos Muhlbach | W | 0-3 |
| Challenger Ochsenhausen | 2021/05/03 11:10 | Irvin Bertrand v Carlos Muhlbach | L | 3-2 |
| Challenger Ochsenhausen | 2021/05/03 06:30 | Henning Zeptner v Carlos Muhlbach | W | 0-3 |
| Challenger Ochsenhausen | 2021/04/09 09:10 | Carlos Muhlbach v Evgueni Chtchetinine | W | 3-0 |
| Challenger Ochsenhausen | 2021/04/09 06:30 | Carlos Muhlbach v Jiri Martinko | L | 2-3 |
| Challenger Ochsenhausen | 2021/04/08 09:50 | Carlos Muhlbach v Dillon Chambers | W | 3-0 |
| Challenger Ochsenhausen | 2021/04/08 07:10 | Dauud Cheaib v Carlos Muhlbach | L | 3-1 |
| Challenger Ochsenhausen | 2021/04/07 11:50 | Miguel Chamorro v Carlos Muhlbach | W | 1-3 |