| Challenger Series TT | 2022/09/02 13:30 | Dennis Klein v Amirreza Abbasi | W | 3-1 |
| Challenger Series TT | 2022/09/01 16:30 | Dennis Klein v Amirreza Abbasi | W | 3-1 |
| Challenger Ochsenhausen | 2022/06/24 13:05 | Amirreza Abbasi v Dennis Klein | W | 1-3 |
| Challenger Ochsenhausen | 2022/06/23 11:50 | Dennis Klein v Amirreza Abbasi | L | 1-3 |
| Challenger Series TT | 2022/06/17 12:50 | Dennis Klein v Amirreza Abbasi | L | 2-3 |
| Challenger Series TT | 2022/06/17 07:10 | Amirreza Abbasi v Dennis Klein | W | 1-3 |
| Challenger Ochsenhausen | 2022/03/21 14:50 | Amirreza Abbasi v Dennis Klein | L | 3-1 |
| Challenger Ochsenhausen | 2021/11/02 12:30 | Dennis Klein v Amirreza Abbasi | L | 0-3 |
| Challenger Series TT | 2023/03/28 12:50 | Dennis Klein v Dauud Cheaib | W | 3-1 |
| Challenger Series TT | 2023/03/28 10:45 | Dennis Klein v Jeromy Loffler | W | 3-1 |
| Challenger Series TT | 2023/03/28 08:30 | Dennis Klein v Dauud Cheaib | W | 3-1 |
| Challenger Series TT | 2023/03/27 17:10 | Dennis Klein v Jeromy Loffler | W | 3-1 |
| Challenger Series TT | 2023/03/27 14:30 | Makoto Nogami v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2023/03/27 11:50 | Kirill Fadeev v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2023/03/27 09:50 | Dennis Klein v Dillon Chambers | L | 2-3 |
| Challenger Series TT | 2023/03/27 07:50 | Dennis Klein v Bohdan Sinkevych | W | 3-0 |
| TT Star Series | 2023/03/30 13:04 | Amin Ahmadian v Amirreza Abbasi | L | 3-2 |
| TT Star Series | 2023/03/30 11:58 | Jiri Martinko v Amirreza Abbasi | L | 3-1 |
| TT Star Series | 2023/03/30 11:15 | Amirreza Abbasi v Nicolas Galvano | W | 3-0 |
| TT Star Series | 2023/03/30 09:15 | Lichen Wang v Amirreza Abbasi | L | 3-1 |
| TT Star Series | 2023/03/29 11:15 | Amirreza Abbasi v Diego Piguave | W | 3-0 |
| TT Star Series | 2023/03/29 09:45 | Amirreza Abbasi v Jiri Martinko | L | 0-3 |
| TT Star Series | 2023/03/29 07:45 | Amirreza Abbasi v Youssef Abdel-Aziz | W | 3-1 |
| TT Star Series | 2023/03/23 13:55 | Amirreza Abbasi v Petr David | W | 3-2 |