| Challenger Ochsenhausen | 2021/07/13 10:20 | Alexander Valuch v Dillon Chambers | W | 2-3 |
| Challenger Ochsenhausen | 2021/07/13 08:20 | Dillon Chambers v Irvin Bertrand | L | 0-3 |
| Challenger Ochsenhausen | 2021/07/12 20:00 | Liang Qiu v Dillon Chambers | L | 3-1 |
| Challenger Ochsenhausen | 2021/07/12 17:20 | Mathieu De Saintilan v Dillon Chambers | L | 3-2 |
| Challenger Ochsenhausen | 2021/07/12 14:40 | Dillon Chambers v Carlos Muhlbach | L | 0-3 |
| 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 |