| J2 League 2022 - Appearances as Assistant | ||||
| 27/04/2022 | Yokohama FC | - | FC Machida Zelvia | 1:1 |
| 29/05/2022 | FC Machida Zelvia | - | Blaublitz Akita | 2:0 |
| 14/09/2022 | Thespakusatsu Gunma | - | FC Ryūkyū | 0:0 |
| 01/10/2022 | FC Ryūkyū | - | Yokohama FC | 0:1 |
| J2 League 2022 - Appearances as Assistant | ||||
| 27/04/2022 | Yokohama FC | - | FC Machida Zelvia | 1:1 |
| 29/05/2022 | FC Machida Zelvia | - | Blaublitz Akita | 2:0 |
| 14/09/2022 | Thespakusatsu Gunma | - | FC Ryūkyū | 0:0 |
| 01/10/2022 | FC Ryūkyū | - | Yokohama FC | 0:1 |
| Complete name: | Osamu Akasaka |
| Born: | 26/09/1985 |
| Place of birth: |
Japan |
| Nationality: |
Japan |
| Club: | SC Borussia Lindenthal-Hohenlind |