Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/06/05 09:10 | Akos Kishegyi v Kirill Fadeev | L | 2-3 |
| Challenger Series TT | 2023/06/05 06:30 | Akos Kishegyi v David Molnar | L | 1-3 |
| Challenger Series TT | 2023/05/16 10:40 | Akos Kishegyi v Norbert Tauler | L | 1-3 |
| Challenger Series TT | 2023/05/16 08:40 | Akos Kishegyi v Dauud Cheaib | L | 1-3 |
| Challenger Series TT | 2023/05/16 06:40 | Akos Kishegyi v Yannick Vostes | L | 2-3 |
| Challenger Series TT | 2023/05/15 14:30 | Akos Kishegyi v Miguel Nunez | L | 0-3 |
| Challenger Series TT | 2023/05/15 12:30 | Akos Kishegyi v Damian Zech | W | 3-0 |
| Challenger Series TT | 2023/05/15 09:10 | Marius Henninger v Akos Kishegyi | L | 3-1 |
| Challenger Series TT | 2023/06/05 09:50 | Akito Itagaki v Florian Bluhm | L | 0-3 |
| Challenger Series TT | 2023/06/05 07:50 | Akito Itagaki v Jin Ueda | L | 0-3 |
| Challenger Series TT | 2023/05/05 07:50 | Damian Zech v Akito Itagaki | W | 0-3 |
| Challenger Series TT | 2023/05/04 19:50 | Dennis Klein v Akito Itagaki | L | 3-1 |
| Challenger Series TT | 2023/05/04 17:50 | Makoto Nogami v Akito Itagaki | L | 3-1 |
| Challenger Series TT | 2023/05/04 15:50 | Akito Itagaki v Bohdan Sinkevych | L | 2-3 |
| Challenger Series TT | 2023/05/04 13:10 | Akito Itagaki v Peter Hribar | L | 0-3 |
| Challenger Series TT | 2023/05/04 11:10 | Akito Itagaki v Kirill Fadeev | L | 2-3 |