| J2 League 2023 - Matches comme assistant | ||||
| 21.05.2023 | Zweigen Kanazawa | - | Ventforet Kofu | 0:1 |
| 06.08.2023 | Júbilo Iwata | - | Vegalta Sendai | 4:1 |
| 15.09.2023 | Ventforet Kofu | - | Tokyo Verdy | 1:1 |
| J2 League 2023 - Matches comme assistant | ||||
| 21.05.2023 | Zweigen Kanazawa | - | Ventforet Kofu | 0:1 |
| 06.08.2023 | Júbilo Iwata | - | Vegalta Sendai | 4:1 |
| 15.09.2023 | Ventforet Kofu | - | Tokyo Verdy | 1:1 |
| Nom complet: | Osamu Akasaka |
| Né le: | 26.09.1985 |
| Né à: |
Japon |
| Nationalité: |
Japon |
| club: | SC Borussia Lindenthal-Hohenlind |