| Challenger Series TT | 2023/04/03 14:30 | Dennis Klein v Kirill Fadeev | W | 3-2 |
| Challenger Series TT | 2023/03/27 11:50 | Kirill Fadeev v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2023/02/06 07:30 | Kirill Fadeev v Dennis Klein | L | 3-1 |
| Challenger Series TT | 2023/02/02 07:30 | Dennis Klein v Kirill Fadeev | W | 3-1 |
| Challenger Series TT | 2022/10/31 18:10 | Kirill Fadeev v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2022/09/29 06:30 | Dennis Klein v Kirill Fadeev | W | 3-1 |
| Challenger Series TT | 2022/09/05 07:10 | Dennis Klein v Kirill Fadeev | W | 3-0 |
| Challenger Ochsenhausen | 2022/07/28 06:30 | Kirill Fadeev v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2023/04/04 09:10 | Dennis Klein v Emiliano Riofrio | W | 3-0 |
| Challenger Series TT | 2023/04/04 07:10 | Dennis Klein v Dauud Cheaib | W | 3-0 |
| Challenger Series TT | 2023/04/03 17:50 | Dennis Klein v Florian Bourrassaud | L | 2-3 |
| Challenger Series TT | 2023/04/03 14:30 | Dennis Klein v Kirill Fadeev | W | 3-2 |
| Challenger Series TT | 2023/04/03 12:30 | Dennis Klein v Sven Happek | W | 3-1 |
| Challenger Series TT | 2023/04/03 09:10 | Pekka Pelz v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2023/04/03 07:10 | Dennis Klein v Amirreza Abbasi | W | 3-2 |
| Challenger Series TT | 2023/03/28 12:50 | Dennis Klein v Dauud Cheaib | W | 3-1 |
| Challenger Series TT | 2023/04/04 07:50 | Kirill Fadeev v Florian Bourrassaud | W | 3-2 |
| Challenger Series TT | 2023/04/03 18:30 | Kirill Fadeev v Dauud Cheaib | W | 3-2 |
| 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 |