Stadium: Ochsenhausen, Germany
| 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 |
| Challenger Series TT | 2023/06/06 06:30 | Akos Kishegyi v Jin Ueda | L | 0-3 |
| Challenger Series TT | 2023/06/05 17:50 | Akos Kishegyi v Antonin Gavlas | L | 0-3 |
| Challenger Series TT | 2023/06/05 16:30 | Akos Kishegyi v Simon Berglund | L | 0-3 |
| Challenger Series TT | 2023/06/05 11:50 | Akos Kishegyi v Akito Itagaki | L | 1-3 |
| Challenger Series TT | 2023/07/10 12:30 | Damian Zech v Samuel Amann | L | 3-1 |
| Challenger Series TT | 2023/07/10 11:10 | Kestutis Zeimys v Samuel Amann | L | 3-0 |
| Challenger Series TT | 2023/07/10 06:30 | Johannes Willeke v Samuel Amann | L | 3-1 |
| Challenger Series TT | 2023/06/23 09:50 | Tobias Slanina v Samuel Amann | L | 3-0 |
| Challenger Series TT | 2023/06/23 08:30 | Samuel Amann v Johannes Willeke | L | 0-3 |
| Challenger Series TT | 2023/06/22 18:30 | Ihor Zavadskyi v Samuel Amann | W | 1-3 |
| Challenger Series TT | 2023/06/22 15:50 | Dauud Cheaib v Samuel Amann | L | 3-1 |
| Challenger Series TT | 2023/06/22 13:50 | Carlo Rossi v Samuel Amann | L | 3-0 |