| Challenger Series TT | 2023/08/18 13:30 | Dennis Klein v Kirill Fadeev | W | 3-0 |
| Challenger Series TT | 2023/08/17 17:10 | Kirill Fadeev v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2023/07/04 11:25 | Kirill Fadeev v Dennis Klein | W | 2-3 |
| Challenger Series TT | 2023/07/03 11:50 | Kirill Fadeev v Dennis Klein | L | 3-1 |
| Challenger Series TT | 2023/05/05 11:25 | Dennis Klein v Kirill Fadeev | W | 3-0 |
| Challenger Series TT | 2023/05/04 17:10 | Dennis Klein v Kirill Fadeev | W | 3-1 |
| Challenger Series TT | 2023/05/02 11:25 | Dennis Klein v Kirill Fadeev | W | 3-0 |
| Challenger Series TT | 2023/05/01 09:10 | Dennis Klein v Kirill Fadeev | W | 3-0 |
| Challenger Series TT | 2023/08/18 13:30 | Dennis Klein v Kirill Fadeev | W | 3-0 |
| Challenger Series TT | 2023/08/18 11:25 | Dennis Klein v Marius Henninger | W | 3-0 |
| Challenger Series TT | 2023/08/18 08:30 | Tobias Slanina v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2023/08/18 07:10 | Marius Henninger v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2023/08/17 17:10 | Kirill Fadeev v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2023/08/17 15:10 | Makoto Nogami v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2023/08/17 12:30 | Daniel Rinderer v Dennis Klein | W | 2-3 |
| Challenger Series TT | 2023/08/17 11:10 | Alvaro Gainza v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2023/08/18 13:30 | Dennis Klein v Kirill Fadeev | L | 3-0 |
| Challenger Series TT | 2023/08/18 12:05 | Kirill Fadeev v Daniel Rinderer | W | 3-1 |
| Challenger Series TT | 2023/08/18 09:10 | Kirill Fadeev v Marius Henninger | W | 3-0 |
| Challenger Series TT | 2023/08/17 19:50 | Kirill Fadeev v Alvaro Gainza | W | 3-2 |
| Challenger Series TT | 2023/08/17 17:10 | Kirill Fadeev v Dennis Klein | L | 0-3 |
| Challenger Series TT | 2023/08/17 14:30 | Daniel Rinderer v Kirill Fadeev | W | 1-3 |
| Challenger Series TT | 2023/08/17 11:50 | Marco Stefanidis v Kirill Fadeev | W | 0-3 |
| Challenger Series TT | 2023/08/17 09:50 | Kirill Fadeev v Tobias Slanina | W | 3-1 |