| Challenger Series TT | 2023/02/09 13:30 | Marco Stefanidis v Dennis Klein | L | 1-3 |
| Challenger Series TT | 2023/03/03 10:50 | Liang Qiu v Marco Stefanidis | L | 3-0 |
| Challenger Series TT | 2023/03/03 09:30 | Marco Stefanidis v Damian Zech | L | 1-3 |
| Challenger Series TT | 2023/03/02 19:30 | Guilherme Teodoro v Marco Stefanidis | L | 3-0 |
| Challenger Series TT | 2023/03/02 16:50 | Anton Limonov v Marco Stefanidis | L | 3-1 |
| Challenger Series TT | 2023/03/02 14:50 | Dillon Chambers v Marco Stefanidis | L | 3-0 |
| Challenger Series TT | 2023/03/02 10:50 | Albert Vilardell v Marco Stefanidis | L | 3-1 |
| Challenger Series TT | 2023/03/02 08:10 | Samuel Amann v Marco Stefanidis | W | 1-3 |
| Challenger Series TT | 2023/02/10 11:30 | Marco Stefanidis v Alberto Mino | L | 0-3 |
| Challenger Series TT | 2023/03/07 14:30 | Dennis Klein v Dauud Cheaib | W | 3-2 |
| Challenger Series TT | 2023/03/07 12:25 | Dennis Klein v Peter Hribar | W | 3-1 |
| Challenger Series TT | 2023/03/07 10:50 | Aljaz Godec v Dennis Klein | W | 1-3 |
| Challenger Series TT | 2023/03/07 09:30 | Dennis Klein v Peter Hribar | L | 2-3 |
| Challenger Series TT | 2023/03/06 19:30 | Sven Happek v Dennis Klein | W | 1-3 |
| Challenger Series TT | 2023/03/06 16:50 | Dauud Cheaib v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2023/03/06 14:50 | Bastien Dupont v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2023/03/06 10:50 | Marius Henninger v Dennis Klein | W | 0-3 |