| Challenger Ochsenhausen | 2021/08/16 14:00 | Dillon Chambers v Amirreza Abbasi | L | 1-3 |
| Challenger Ochsenhausen | 2021/08/16 11:10 | Dillon Chambers v Florian Bluhm | L | 0-3 |
| Challenger Ochsenhausen | 2021/08/16 08:30 | Josip Huzjak v Dillon Chambers | L | 3-2 |
| Challenger Ochsenhausen | 2021/08/10 11:40 | Dennis Klein v Dillon Chambers | L | 3-0 |
| Challenger Ochsenhausen | 2021/08/10 07:40 | Daniel Rinderer v Dillon Chambers | L | 3-0 |
| Challenger Ochsenhausen | 2021/08/09 19:20 | Dillon Chambers v Dauud Cheaib | L | 0-3 |
| Challenger Ochsenhausen | 2021/08/09 16:00 | Dillon Chambers v Florian Bluhm | L | 1-3 |
| Challenger Ochsenhausen | 2021/08/09 14:00 | Fedor Kuzmin v Dillon Chambers | L | 3-2 |
| 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 |
| Challenger Ochsenhausen | 2021/08/16 07:10 | Fedor Kuzmin v Christian Tomsic | L | 3-0 |
| Challenger Ochsenhausen | 2021/05/04 11:40 | Florian Bluhm v Christian Tomsic | L | 3-0 |
| Challenger Ochsenhausen | 2021/05/04 07:40 | Henning Zeptner v Christian Tomsic | L | 3-0 |
| Challenger Ochsenhausen | 2021/05/03 19:20 | Christian Tomsic v Marius Henninger | L | 0-3 |
| Challenger Ochsenhausen | 2021/05/03 16:00 | Christian Tomsic v Carlos Muhlbach | L | 0-3 |
| Challenger Ochsenhausen | 2021/05/03 14:00 | Irvin Bertrand v Christian Tomsic | L | 3-0 |