| J1 League 1998 1st stage - Appearances as Assistant | ||||
| 20/03/1998 | Bellmare Hiratsuka | - | Verdy Kawasaki | 4:1 |
| 27/03/1998 | Kashiwa Reysol | - | Consadole Sapporo | 5:4 pso |
| 10/04/1998 | Urawa Red Diamonds | - | Avispa Fukuoka | 5:4 pso |
| 17/04/1998 | Júbilo Iwata | - | Sanfrecce Hiroshima | 5:0 |
| 28/04/1998 | Kyoto Purple Sanga | - | Yokohama Flügels | 1:2 aet |
| 08/05/1998 | Consadole Sapporo | - | JEF United Ichihara | 3:2 aet |
| 28/07/1998 | Avispa Fukuoka | - | Sanfrecce Hiroshima | 5:3 pso |
| 04/08/1998 | Kashiwa Reysol | - | Yokohama Flügels | 1:3 |
Japan