| 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 | 2023/08/14 15:10 | Dauud Cheaib v Marco Stefanidis | L | 3-2 |
| Challenger Series TT | 2023/08/14 13:50 | Carlos Caballero v Marco Stefanidis | L | 3-0 |
| Challenger Series TT | 2023/08/14 09:50 | Samuel Amann v Marco Stefanidis | W | 0-3 |
| Challenger Series TT | 2023/08/17 13:50 | Marius Henninger v Tobias Slanina | W | 3-0 |
| Challenger Series TT | 2023/08/17 10:30 | Marius Henninger v Makoto Nogami | W | 3-2 |
| Challenger Series TT | 2023/08/17 08:30 | Marius Henninger v Alvaro Gainza | W | 3-0 |
| Challenger Series TT | 2023/07/28 09:10 | Marius Henninger v Antonin Gavlas | L | 2-3 |
| Challenger Series TT | 2023/07/28 06:30 | Marius Henninger v Guillaume Alcayde | W | 3-1 |
| Challenger Series TT | 2023/07/27 16:30 | Marius Henninger v Dauud Cheaib | L | 0-3 |
| Challenger Series TT | 2023/07/27 15:50 | Marius Henninger v Yoan Rebetez | L | 1-3 |
| Challenger Series TT | 2023/07/27 09:10 | Marius Henninger v Daniel Rinderer | L | 2-3 |