| Challenger Ochsenhausen | 2021/06/10 11:10 | Dillon Chambers v Carlos Muhlbach | L | 0-3 |
| Challenger Ochsenhausen | 2021/04/08 09:50 | Carlos Muhlbach v Dillon Chambers | L | 3-0 |
| Challenger Ochsenhausen | 2021/07/12 10:30 | Dillon Chambers v Andrei Putuntica | L | 0-3 |
| Challenger Ochsenhausen | 2021/07/12 08:30 | Dillon Chambers v Amirreza Abbasi | L | 0-3 |
| Challenger Ochsenhausen | 2021/06/15 14:00 | Dillon Chambers v Florian Bluhm | L | 0-3 |
| Challenger Ochsenhausen | 2021/06/15 12:35 | Dauud Cheaib v Dillon Chambers | L | 3-0 |
| Challenger Ochsenhausen | 2021/06/15 11:00 | Marius Henninger v Dillon Chambers | W | 2-3 |
| Challenger Ochsenhausen | 2021/06/15 09:40 | Dillon Chambers v Florian Bluhm | L | 0-3 |
| Challenger Ochsenhausen | 2021/06/14 19:20 | Andrey Semenov v Dillon Chambers | L | 3-0 |
| Challenger Ochsenhausen | 2021/06/14 16:40 | Josip Huzjak v Dillon Chambers | W | 0-3 |
| Challenger Ochsenhausen | 2021/07/12 09:50 | Alexander Valuch v Carlos Muhlbach | W | 0-3 |
| Challenger Ochsenhausen | 2021/07/12 07:10 | Liang Qiu v Carlos Muhlbach | W | 0-3 |
| Challenger Ochsenhausen | 2021/06/11 13:30 | Carlos Muhlbach v Dennis Klein | W | 3-2 |
| Challenger Ochsenhausen | 2021/06/11 11:25 | Carlos Muhlbach v Andrey Semenov | W | 3-0 |
| Challenger Ochsenhausen | 2021/06/11 10:30 | Johannes Schnabel v Carlos Muhlbach | W | 0-3 |
| Challenger Ochsenhausen | 2021/06/10 12:30 | Carlos Muhlbach v Lars Brinkhaus | W | 3-0 |
| Challenger Ochsenhausen | 2021/06/10 11:10 | Dillon Chambers v Carlos Muhlbach | W | 0-3 |
| Challenger Ochsenhausen | 2021/06/10 09:10 | Miguel Chamorro v Carlos Muhlbach | W | 2-3 |