| J1 League 1998 1st stage - Appearances as Assistant | ||||
| 24/03/1998 | Yokohama Flügels | - | Urawa Red Diamonds | 0:2 |
| 03/04/1998 | JEF United Ichihara | - | Júbilo Iwata | 3:1 |
| 14/04/1998 | Kashima Antlers | - | Gamba Osaka | 1:0 |
| 17/04/1998 | Urawa Red Diamonds | - | Shimizu S-Pulse | 0:2 |
| 24/04/1998 | Cerezo Osaka | - | Vissel Kobe | 1:2 |
| 01/05/1998 | Yokohama F. Marinos | - | Kyoto Purple Sanga | 2:1 |
| 08/05/1998 | Kashiwa Reysol | - | Júbilo Iwata | 1:3 |
| 28/07/1998 | Shimizu S-Pulse | - | Yokohama Flügels | 2:0 |
| 04/08/1998 | Kashima Antlers | - | Cerezo Osaka | 3:2 aet |
Japan