| Challenger Series TT | 2023/06/08 17:10 | Tobias Slanina v Marco Stefanidis | L | 3-1 |
| Challenger Series TT | 2023/08/18 06:30 | Marco Stefanidis v Makoto Nogami | L | 0-3 |
| Challenger Series TT | 2023/08/17 17:50 | Marco Stefanidis v Alvaro Gainza | W | 3-1 |
| Challenger Series TT | 2023/08/17 16:30 | Marco Stefanidis v Marius Henninger | L | 0-3 |
| Challenger Series TT | 2023/08/17 11:50 | Marco Stefanidis v Kirill Fadeev | L | 0-3 |
| Challenger Series TT | 2023/08/17 09:10 | Marco Stefanidis v Daniel Rinderer | L | 1-3 |
| Challenger Series TT | 2023/08/17 06:30 | Marco Stefanidis v Dennis Klein | L | 0-3 |
| Challenger Series TT | 2023/08/15 08:30 | Marcel Neumaier v Marco Stefanidis | W | 1-3 |
| Challenger Series TT | 2023/08/14 17:10 | Makoto Nogami v Marco Stefanidis | W | 1-3 |
| 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 |
| Challenger Series TT | 2023/08/11 09:50 | Tobias Slanina v Zengyi Wang | W | 3-1 |
| Challenger Series TT | 2023/08/11 06:30 | Tobias Slanina v Simon Pfeffer | L | 1-3 |