| Emperor's Cup 2021 - Appearances as Assistant | ||||
| 07/07/2021 | Juntendo University | - | Thespakusatsu Gunma | 2:3 aet |
| 18/08/2021 | Nagoya Grampus | - | Vissel Kobe | 1:0 |
| Emperor's Cup 2021 - Appearances as Assistant | ||||
| 07/07/2021 | Juntendo University | - | Thespakusatsu Gunma | 2:3 aet |
| 18/08/2021 | Nagoya Grampus | - | Vissel Kobe | 1:0 |
| Complete name: | Osamu Akasaka |
| Born: | 26/09/1985 |
| Place of birth: |
Japan |
| Nationality: |
Japan |
| Club: | SC Borussia Lindenthal-Hohenlind |