Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/07/20 09:10 | Marco Stefanidis v Damian Zech | W | 3-2 |
| Challenger Series TT | 2023/07/20 06:30 | Marco Stefanidis v Jeromy Loffler | L | 0-3 |
| Challenger Series TT | 2023/06/20 09:10 | Marco Stefanidis v Aljaz Godec | W | 3-2 |
| Challenger Series TT | 2023/06/19 19:50 | Marco Stefanidis v Akito Itagaki | L | 1-3 |
| Challenger Series TT | 2023/06/19 17:10 | Marco Stefanidis v Johannes Willeke | W | 3-0 |
| Challenger Series TT | 2023/06/19 14:30 | Sven Happek v Marco Stefanidis | L | 3-1 |
| Challenger Series TT | 2023/06/19 11:50 | Dennis Klein v Marco Stefanidis | L | 3-0 |
| Challenger Series TT | 2023/06/19 09:50 | Marco Stefanidis v Jose Guillot | L | 1-3 |
| Challenger Series TT | 2023/07/20 09:50 | Dauud Cheaib v Amirreza Abbasi | L | 0-3 |
| Challenger Series TT | 2023/07/20 07:50 | Dauud Cheaib v Yannick Vostes | W | 3-2 |
| Challenger Series TT | 2023/07/18 12:50 | Miroslav Horejsi v Dauud Cheaib | W | 1-3 |
| Challenger Series TT | 2023/07/18 12:05 | Antonin Gavlas v Dauud Cheaib | L | 3-0 |
| Challenger Series TT | 2023/07/18 09:10 | Dauud Cheaib v Antonin Gavlas | L | 1-3 |
| Challenger Series TT | 2023/07/17 19:50 | Dauud Cheaib v Miroslav Horejsi | W | 3-1 |
| Challenger Series TT | 2023/07/17 17:10 | Dauud Cheaib v Daniel Rinderer | W | 3-1 |
| Challenger Series TT | 2023/07/17 14:30 | Michael Engelhardt v Dauud Cheaib | W | 1-3 |