| 10. Round | 01/05/1998 | Cerezo Osaka | - | Yokohama Flügels | 1:4 | ||||
| 11. Round | 04/05/1998 | Yokohama Flügels | - | Sanfrecce Hiroshima | 5:1 |  |
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| 12. Round | 08/05/1998 | Avispa Fukuoka | - | Yokohama Flügels | 0:1 | |
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| 13. Round | 24/07/1998 | Yokohama Flügels | - | Consadole Sapporo | 5:3 pso | |
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| 14. Round | 28/07/1998 | Shimizu S-Pulse | - | Yokohama Flügels | 2:0 | ||||
| 15. Round | 31/07/1998 | Yokohama Flügels | - | Kashima Antlers | 3:2 | ||||
| 16. Round | 04/08/1998 | Kashiwa Reysol | - | Yokohama Flügels | 1:3 | ||||
| 17. Round | 07/08/1998 | Yokohama Flügels | - | Gamba Osaka | 3:6 |
Portugal