| Challenger Series TT | 2022/09/02 13:30 | Dennis Klein v Amirreza Abbasi | L | 3-1 |
| Challenger Series TT | 2022/09/01 16:30 | Dennis Klein v Amirreza Abbasi | L | 3-1 |
| Challenger de Ochsenhausen | 2022/06/24 13:05 | Amirreza Abbasi v Dennis Klein | L | 1-3 |
| Challenger de Ochsenhausen | 2022/06/23 11:50 | Dennis Klein v Amirreza Abbasi | W | 1-3 |
| Challenger Series TT | 2022/06/17 12:50 | Dennis Klein v Amirreza Abbasi | W | 2-3 |
| Challenger Series TT | 2022/06/17 07:10 | Amirreza Abbasi v Dennis Klein | L | 1-3 |
| Challenger de Ochsenhausen | 2022/03/21 14:50 | Amirreza Abbasi v Dennis Klein | W | 3-1 |
| Challenger de Ochsenhausen | 2021/11/02 12:30 | Dennis Klein v Amirreza Abbasi | W | 0-3 |
| TT Star Series | 2022/10/11 14:20 | Lubomir Jancarik v Amirreza Abbasi | L | 3-0 |
| TT Star Series | 2022/10/11 12:45 | Amirreza Abbasi v Tomas Konecny | W | 3-0 |
| TT Star Series | 2022/10/11 11:45 | Amirreza Abbasi v Michal Benes | W | 3-0 |
| TT Star Series | 2022/10/11 08:45 | Amirreza Abbasi v Antonin Gavlas | W | 3-1 |
| TT Star Series | 2022/10/11 06:35 | Amirreza Abbasi v Tomas Konecny | W | 3-1 |
| TT Star Series | 2022/10/10 12:45 | Amirreza Abbasi v Tomas Tregler | W | 3-0 |
| TT Star Series | 2022/10/10 10:15 | Amirreza Abbasi v Jiri Vrablik | L | 0-3 |
| TT Star Series | 2022/10/10 08:15 | Amirreza Abbasi v Jakub Seibert | W | 3-0 |
| Challenger Series TT | 2022/10/31 13:30 | Mathias Hübgen v Dennis Klein | L | 3-2 |
| Challenger Series TT | 2022/10/31 12:10 | Dillon Chambers v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2022/10/31 07:30 | Marius Henninger v Dennis Klein | W | 1-3 |
| Challenger Series TT | 2022/10/06 12:30 | Damian Zech v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2022/10/06 11:10 | Bohdan Sinkevych v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2022/10/06 06:30 | Florian Bluhm v Dennis Klein | W | 1-3 |
| Challenger Series TT | 2022/10/04 13:30 | Jeet Chandra v Dennis Klein | L | 3-2 |
| Challenger Series TT | 2022/10/04 12:05 | Dennis Klein v Florian Bourrassaud | W | 3-1 |