| 1. Round | 20/03/1998 | Yokohama F. Marinos | - | Yokohama Flügels | 1:2 aet | ||||
| 2. Round | 24/03/1998 | Yokohama Flügels | - | Urawa Red Diamonds | 0:2 | ||||
| 3. Round | 27/03/1998 | Nagoya Grampus Eight | - | Yokohama Flügels | 2:1 |  |
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| 4. Round | 03/04/1998 | Yokohama Flügels | - | Bellmare Hiratsuka | 1:3 | ||||
| 5. Round | 10/04/1998 | Júbilo Iwata | - | Yokohama Flügels | 4:0 | |
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| 6. Round | 14/04/1998 | Yokohama Flügels | - | Verdy Kawasaki | 0:3 | ||||
| 7. Round | 17/04/1998 | Vissel Kobe | - | Yokohama Flügels | 1:4 | ||||
| 8. Round | 24/04/1998 | Yokohama Flügels | - | JEF United Ichihara | 2:0 | ||||
| 9. Round | 28/04/1998 | Kyoto Purple Sanga | - | Yokohama Flügels | 1:2 aet | ||||
| 10. Round | 01/05/1998 | Cerezo Osaka | - | Yokohama Flügels | 1:4 | |
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| 12. Round | 08/05/1998 | Avispa Fukuoka | - | Yokohama Flügels | 0:1 | ||||
| 13. Round | 24/07/1998 | Yokohama Flügels | - | Consadole Sapporo | 5:3 pso | ||||
| 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 |
Japan