| J2 League 2019 - Appearances as Referee |  |
 |
 |
||||
| 06/10/2019 | Mito HollyHock | - | RB Omiya Ardija | 2:3 | 2 | - | - |
| 09/11/2019 | Albirex Niigata | - | FC Gifu | 2:0 | 2 | - | - |
| J2 League 2019 - Appearances as Referee | |
|
|
||||
| 06/10/2019 | Mito HollyHock | - | RB Omiya Ardija | 2:3 | 2 | - | - |
| 09/11/2019 | Albirex Niigata | - | FC Gifu | 2:0 | 2 | - | - |
| Complete name: | Ryosuke Yamaoka |
| Born: | 30/04/1981 |
| Place of birth: |
Japan |
| Nationality: |
Japan |