| Challenger de Ochsenhausen | 2022/02/25 11:30 | Dillon Chambers v Amirreza Abbasi | L | 0-3 |
| Challenger Series TT | 2022/02/24 19:30 | Amirreza Abbasi v Dillon Chambers | L | 3-1 |
| Challenger de Ochsenhausen | 2021/08/16 14:00 | Dillon Chambers v Amirreza Abbasi | L | 1-3 |
| Challenger de Ochsenhausen | 2021/07/12 08:30 | Dillon Chambers v Amirreza Abbasi | L | 0-3 |