| Challenger Series TT | 2023/08/18 08:30 | Tobias Slanina v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2023/07/03 14:30 | Tobias Slanina v Dennis Klein | W | 1-3 |
| Challenger Series TT | 2023/06/22 09:10 | Tobias Slanina v Dennis Klein | W | 2-3 |
| Challenger Series TT | 2023/05/08 06:30 | Tobias Slanina v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2023/09/07 06:30 | 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 | 2023/09/07 07:10 | Tobias Slanina v Miguel Nunez | L | 1-3 |
| Challenger Series TT | 2023/08/18 09:50 | Marco Stefanidis v Tobias Slanina | W | 2-3 |
| Challenger Series TT | 2023/08/18 08:30 | Tobias Slanina v Dennis Klein | L | 0-3 |
| Challenger Series TT | 2023/08/17 18:30 | Makoto Nogami v Tobias Slanina | L | 3-2 |
| Challenger Series TT | 2023/08/17 15:50 | Alvaro Gainza v Tobias Slanina | L | 3-1 |
| Challenger Series TT | 2023/08/17 13:50 | Marius Henninger v Tobias Slanina | L | 3-0 |
| Challenger Series TT | 2023/08/17 09:50 | Kirill Fadeev v Tobias Slanina | L | 3-1 |
| Challenger Series TT | 2023/08/17 07:10 | Daniel Rinderer v Tobias Slanina | L | 3-1 |