Stadium: Ochsenhausen, Germany
| 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 | 2023/05/04 15:50 | Akito Itagaki v Bohdan Sinkevych | L | 2-3 |
| Challenger Series TT | 2023/06/05 15:10 | Jin Ueda v David Molnar | L | 3-2 |
| Challenger Series TT | 2023/06/05 12:30 | Kirill Fadeev v David Molnar | L | 3-2 |
| Challenger Series TT | 2023/06/05 11:10 | Antonin Gavlas v David Molnar | L | 3-0 |
| Challenger Series TT | 2023/06/05 06:30 | Akos Kishegyi v David Molnar | W | 1-3 |
| Challenger Series TT | 2023/05/16 12:50 | Dauud Cheaib v David Molnar | W | 1-3 |
| Challenger Series TT | 2023/05/16 12:05 | David Molnar v Miguel Nunez | L | 1-3 |
| Challenger Series TT | 2023/05/16 10:10 | Marius Henninger v David Molnar | W | 1-3 |
| Challenger Series TT | 2023/05/16 09:10 | David Molnar v Damian Zech | W | 3-2 |