Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/06/05 17:10 | Akito Itagaki v David Molnar | W | 3-2 |
| Challenger Series TT | 2023/06/05 14:30 | Kirill Fadeev v Akito Itagaki | L | 3-1 |
| Challenger Series TT | 2023/06/05 11:50 | Akos Kishegyi v Akito Itagaki | W | 1-3 |
| 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 | 2023/06/05 17:50 | Akos Kishegyi v Antonin Gavlas | W | 0-3 |
| Challenger Series TT | 2023/06/05 15:50 | Antonin Gavlas v Florian Bluhm | W | 3-1 |
| Challenger Series TT | 2023/06/05 13:10 | Antonin Gavlas v Jin Ueda | W | 3-2 |
| Challenger Series TT | 2023/06/05 11:10 | Antonin Gavlas v David Molnar | W | 3-0 |
| Challenger Series TT | 2023/06/05 08:30 | Simon Berglund v Antonin Gavlas | W | 2-3 |
| Challenger Series TT | 2023/05/19 13:30 | Antonin Gavlas v Amirreza Abbasi | L | 0-3 |
| Challenger Series TT | 2023/05/19 11:25 | Antonin Gavlas v Peter Hribar | W | 3-2 |
| Challenger Series TT | 2023/05/19 10:30 | Florian Bluhm v Antonin Gavlas | W | 0-3 |