| TT Star Series | 2023/03/23 10:15 | Amirreza Abbasi v Sven Happek | L | 2-3 |
| Challenger Series TT | 2022/12/05 18:10 | Sven Happek v Amirreza Abbasi | W | 1-3 |
| Challenger Series TT | 2022/07/04 15:10 | Amirreza Abbasi v Sven Happek | W | 3-1 |
| Challenger - Ochsenhausen | 2022/06/23 17:10 | Amirreza Abbasi v Sven Happek | W | 3-0 |
| Challenger - Ochsenhausen | 2022/05/19 13:50 | Sven Happek v Amirreza Abbasi | W | 1-3 |
| Challenger Series TT | 2022/02/24 12:50 | Sven Happek v Amirreza Abbasi | W | 1-3 |
| Challenger - Ochsenhausen | 2022/02/10 12:10 | Amirreza Abbasi v Sven Happek | W | 3-0 |
| Challenger - Ochsenhausen | 2021/10/14 06:30 | Amirreza Abbasi v Sven Happek | W | 3-0 |
| Challenger Series TT | 2023/04/03 17:10 | Emiliano Riofrio v Amirreza Abbasi | W | 0-3 |
| Challenger Series TT | 2023/04/03 15:10 | Dauud Cheaib v Amirreza Abbasi | W | 2-3 |
| Challenger Series TT | 2023/04/03 13:50 | Florian Bourrassaud v Amirreza Abbasi | W | 0-3 |
| Challenger Series TT | 2023/04/03 09:50 | Kirill Fadeev v Amirreza Abbasi | W | 2-3 |
| Challenger Series TT | 2023/04/03 07:10 | Dennis Klein v Amirreza Abbasi | L | 3-2 |
| 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 |
| Challenger Series TT | 2023/04/03 12:30 | Dennis Klein v Sven Happek | L | 3-1 |
| Challenger Series TT | 2023/04/03 11:10 | Dauud Cheaib v Sven Happek | L | 3-0 |
| Challenger Series TT | 2023/04/03 06:30 | Pekka Pelz v Sven Happek | L | 3-0 |
| TT Star Series | 2023/03/25 11:15 | Henning Zeptner v Sven Happek | W | 0-3 |
| TT Star Series | 2023/03/25 08:10 | Sven Happek v Antonin Gavlas | L | 0-3 |
| TT Star Series | 2023/03/24 14:15 | Sven Happek v Michal Obeslo | L | 0-3 |
| TT Star Series | 2023/03/24 12:45 | Boguslav Koszyk v Sven Happek | L | 3-0 |
| TT Star Series | 2023/03/24 10:45 | Oleksandr Tymofieiev v Sven Happek | L | 3-2 |