| Challenger Series TT | 2023/07/10 07:50 | Dennis Klein v Akos Kishegyi | W | 3-0 |
| Challenger Series TT | 2023/07/11 09:10 | Dennis Klein v Armin Alicic | W | 3-1 |
| Challenger Series TT | 2023/07/10 19:50 | Dennis Klein v Kestutis Zeimys | W | 3-0 |
| Challenger Series TT | 2023/07/10 17:10 | Dennis Klein v Samuel Amann | W | 3-0 |
| Challenger Series TT | 2023/07/10 14:30 | Damian Zech v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2023/07/10 11:50 | Johannes Willeke v Dennis Klein | W | 1-3 |
| Challenger Series TT | 2023/07/10 09:50 | Dennis Klein v Benjamin Fruchart | W | 3-2 |
| Challenger Series TT | 2023/07/10 07:50 | Dennis Klein v Akos Kishegyi | W | 3-0 |
| Challenger Series TT | 2023/07/07 13:30 | Dennis Klein v David Reitspies | W | 3-2 |
| Challenger Series TT | 2023/07/11 10:30 | Damian Zech v Akos Kishegyi | W | 2-3 |
| Challenger Series TT | 2023/07/11 06:30 | Johannes Willeke v Akos Kishegyi | W | 2-3 |
| Challenger Series TT | 2023/07/10 18:30 | Akos Kishegyi v Benjamin Fruchart | L | 0-3 |
| Challenger Series TT | 2023/07/10 15:10 | Akos Kishegyi v Samuel Amann | W | 3-1 |
| Challenger Series TT | 2023/07/10 13:10 | Kestutis Zeimys v Akos Kishegyi | W | 2-3 |
| Challenger Series TT | 2023/07/10 10:30 | Armin Alicic v Akos Kishegyi | W | 1-3 |
| Challenger Series TT | 2023/07/10 07:50 | Dennis Klein v Akos Kishegyi | L | 3-0 |
| Challenger Series TT | 2023/06/06 09:50 | Akos Kishegyi v Florian Bluhm | L | 0-3 |