Kazuya Hirayama
Biographical information
| Roles | Referee |
|---|---|
| Sex | Male |
| Full name | Kazuya•Hirayama |
| Used name | Kazuya•Hirayama |
| Born | 3 February 1958 |
| NOC |  Japan |
Referee
| Games | Sport (Discipline) / Event | NOC / Team | Phase | Unit | Role | As | |
|---|---|---|---|---|---|---|---|
| 2020 Summer Olympics | Equestrian Jumping (Equestrian) | JPN |
Kazuya Hirayama | ||||
| Individual, Open (Olympic) | Final Round | Ground Jury | |||||
| Individual, Open (Olympic) | Jump-Off | Ground Jury | |||||
| Individual, Open (Olympic) | Qualifying Round | Ground Jury | |||||
| Team, Open (Olympic) | Final Round | Ground Jury | |||||
| Team, Open (Olympic) | Qualifying Round | Ground Jury | |||||
| Team, Open (Olympic) | Jump-Off | Ground Jury |