| Challenger Ochsenhausen | 2021/08/09 14:00 | Fedor Kuzmin v Dillon Chambers | W | 3-2 |
| Challenger Ochsenhausen | 2021/06/02 13:10 | Dillon Chambers v Fedor Kuzmin | L | 3-2 |
| Challenger Ochsenhausen | 2021/04/01 11:50 | Fedor Kuzmin v Dillon Chambers | W | 3-2 |
| Challenger Ochsenhausen | 2021/03/10 12:10 | Fedor Kuzmin v Dillon Chambers | W | 3-1 |