| Challenger Series TT | 2022/12/15 12:50 | Kirill Fadeev v Sven Happek | W | 3-2 |
| Challenger Series TT | 2022/11/17 12:50 | Kirill Fadeev v Sven Happek | W | 3-0 |
| Challenger Series TT | 2022/10/11 12:50 | Kirill Fadeev v Sven Happek | L | 2-3 |
| Challenger Series TT | 2022/10/11 08:30 | Kirill Fadeev v Sven Happek | L | 0-3 |
| Challenger Series TT | 2022/09/13 07:10 | Sven Happek v Kirill Fadeev | L | 3-0 |
| Challenger Series TT | 2022/07/26 07:10 | Sven Happek v Kirill Fadeev | W | 1-3 |
| Challenger Series TT | 2022/07/12 09:50 | Kirill Fadeev v Sven Happek | W | 3-1 |
| Challenger Series TT | 2022/07/04 12:30 | Kirill Fadeev v Sven Happek | W | 3-0 |
| Challenger Series TT | 2023/04/03 14:30 | Dennis Klein v Kirill Fadeev | L | 3-2 |
| Challenger Series TT | 2023/04/03 11:50 | Pekka Pelz v Kirill Fadeev | W | 1-3 |
| Challenger Series TT | 2023/04/03 09:50 | Kirill Fadeev v Amirreza Abbasi | L | 2-3 |
| Challenger Series TT | 2023/04/03 07:50 | Kirill Fadeev v Emiliano Riofrio | W | 3-2 |
| Challenger Series TT | 2023/03/28 12:10 | Jeromy Loffler v Kirill Fadeev | W | 1-3 |
| Challenger Series TT | 2023/03/28 11:25 | Dauud Cheaib v Kirill Fadeev | L | 3-1 |
| Challenger Series TT | 2023/03/28 09:10 | Kirill Fadeev v Dillon Chambers | W | 3-2 |
| Challenger Series TT | 2023/03/28 06:30 | Kirill Fadeev v Bohdan Sinkevych | W | 3-1 |
| 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 |