| J1 League 1998 1st stage - Matches comme assistant | ||||
| 21.03.1998 | Bellmare Hiratsuka | - | Verdy Kawasaki | 4:1 |
| 28.03.1998 | Kashiwa Reysol | - | Consadole Sapporo | 5:4 tab |
| 11.04.1998 | Urawa Red Diamonds | - | Avispa Fukuoka | 5:4 tab |
| 18.04.1998 | Júbilo Iwata | - | Sanfrecce Hiroshima | 5:0 |
| 29.04.1998 | Kyoto Purple Sanga | - | Yokohama Flügels | 1:2 ap |
| 09.05.1998 | Consadole Sapporo | - | JEF United Ichihara | 3:2 ap |
| 29.07.1998 | Avispa Fukuoka | - | Sanfrecce Hiroshima | 5:3 tab |
| 05.08.1998 | Kashiwa Reysol | - | Yokohama Flügels | 1:3 |
Japon