| Challenger Ochsenhausen | 2021/08/30 09:10 | Dennis Klein v Lukas Bosbach | L | 3-0 |
| Challenger Ochsenhausen | 2021/08/30 07:10 | Lukas Bosbach v Amirreza Abbasi | L | 0-3 |
| Challenger Ochsenhausen | 2021/08/06 08:30 | Cedric Tschanz v Lukas Bosbach | L | 3-1 |
| Challenger Ochsenhausen | 2021/08/05 12:30 | Dauud Cheaib v Lukas Bosbach | L | 3-0 |
| Challenger Ochsenhausen | 2021/08/05 09:50 | Damian Zech v Lukas Bosbach | W | 1-3 |
| Challenger Ochsenhausen | 2021/08/05 07:50 | Evgueni Chtchetinine v Lukas Bosbach | L | 3-0 |
| Challenger Ochsenhausen | 2021/08/04 12:30 | Nico Wenger v Lukas Bosbach | W | 1-3 |
| Challenger Ochsenhausen | 2021/08/04 11:10 | Elia Schmid v Lukas Bosbach | L | 3-2 |
| Challenger Ochsenhausen | 2021/08/30 11:10 | Dauud Cheaib v Christian Tomsic | L | 3-0 |
| Challenger Ochsenhausen | 2021/08/30 06:30 | Dennis Klein v Christian Tomsic | L | 3-0 |
| Challenger Ochsenhausen | 2021/08/17 11:00 | Liang Qiu v Christian Tomsic | L | 3-0 |
| Challenger Ochsenhausen | 2021/08/17 09:40 | Christian Tomsic v Florian Bluhm | L | 1-3 |
| Challenger Ochsenhausen | 2021/08/16 19:20 | Amirreza Abbasi v Christian Tomsic | L | 3-0 |
| Challenger Ochsenhausen | 2021/08/16 16:40 | Dillon Chambers v Christian Tomsic | L | 3-0 |
| Challenger Ochsenhausen | 2021/08/16 14:40 | Josip Huzjak v Christian Tomsic | L | 3-0 |
| Challenger Ochsenhausen | 2021/08/16 09:50 | Dauud Cheaib v Christian Tomsic | L | 3-0 |