| 4. Round | 03/04/1998 | Yokohama Flügels | - | Bellmare Hiratsuka | 1:3 | ||||
| 5. Round | 10/04/1998 | Júbilo Iwata | - | Yokohama Flügels | 4:0 | ||||
| 8. Round | 24/04/1998 | Yokohama Flügels | - | JEF United Ichihara | 2:0 |  |
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| 9. Round | 28/04/1998 | Kyoto Purple Sanga | - | Yokohama Flügels | 1:2 aet | |
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| 11. Round | 04/05/1998 | Yokohama Flügels | - | Sanfrecce Hiroshima | 5:1 | |
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| 13. Round | 24/07/1998 | Yokohama Flügels | - | Consadole Sapporo | 5:3 pso | ||||
| 14. Round | 28/07/1998 | Shimizu S-Pulse | - | Yokohama Flügels | 2:0 | |
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| 15. Round | 31/07/1998 | Yokohama Flügels | - | Kashima Antlers | 3:2 | |
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| 16. Round | 04/08/1998 | Kashiwa Reysol | - | Yokohama Flügels | 1:3 | |
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| 17. Round | 07/08/1998 | Yokohama Flügels | - | Gamba Osaka | 3:6 | |
Russia
Spain