| J1 League 1999 1st stage - Matches comme assistant | ||||
| 24.04.1999 | Sanfrecce Hiroshima | - | Vissel Kobe | 2:5 |
| 22.05.1999 | Cerezo Osaka | - | JEF United Ichihara | 2:0 |
| J1 League 1999 1st stage - Matches comme assistant | ||||
| 24.04.1999 | Sanfrecce Hiroshima | - | Vissel Kobe | 2:5 |
| 22.05.1999 | Cerezo Osaka | - | JEF United Ichihara | 2:0 |
| Nom complet: | Yasuhiko Yamazaki |
| Né le: | 24.06.1964 |
| Né à: |
Japon |
| Nationalité: |
Japon |