| 1. Round | 21/08/1998 | Yokohama Flügels | - | Shimizu S-Pulse | 2:4 | ||||
| 6. Round | 18/09/1998 | Urawa Red Diamonds | - | Yokohama Flügels | 3:0 | ||||
| 7. Round | 22/09/1998 | Yokohama Flügels | - | Nagoya Grampus Eight | 2:3 | ||||
| 9. Round | 02/10/1998 | Yokohama Flügels | - | Júbilo Iwata | 0:4 | ||||
| 10. Round | 13/10/1998 | Verdy Kawasaki | - | Yokohama Flügels | 0:3 |  |
|||
| 11. Round | 16/10/1998 | Yokohama Flügels | - | Vissel Kobe | 4:3 | ||||
| 12. Round | 20/10/1998 | JEF United Ichihara | - | Yokohama Flügels | 0:3 | ||||
| 13. Round | 23/10/1998 | Yokohama Flügels | - | Kyoto Purple Sanga | 2:3 | ||||
| 14. Round | 30/10/1998 | Yokohama Flügels | - | Cerezo Osaka | 7:0 | ||||
| 15. Round | 02/11/1998 | Sanfrecce Hiroshima | - | Yokohama Flügels | 1:2 | ||||
| 17. Round | 13/11/1998 | Consadole Sapporo | - | Yokohama Flügels | 1:4 |
Japan