| 1. Round | 20/03/1998 | Urawa Red Diamonds | - | JEF United Ichihara | 3:2 | ||||
| 2. Round | 24/03/1998 | JEF United Ichihara | - | Nagoya Grampus Eight | 1:2 | ||||
| 3. Round | 27/03/1998 | Bellmare Hiratsuka | - | JEF United Ichihara | 0:1 | ||||
| 4. Round | 03/04/1998 | JEF United Ichihara | - | Júbilo Iwata | 3:1 |  |
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| 5. Round | 10/04/1998 | Verdy Kawasaki | - | JEF United Ichihara | 2:1 |  |
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| 6. Round | 14/04/1998 | JEF United Ichihara | - | Vissel Kobe | 1:2 | ||||
| 7. Round | 17/04/1998 | Kyoto Purple Sanga | - | JEF United Ichihara | 1:3 | ||||
| 8. Round | 24/04/1998 | Yokohama Flügels | - | JEF United Ichihara | 2:0 | ||||
| 9. Round | 28/04/1998 | JEF United Ichihara | - | Cerezo Osaka | 4:1 | |
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| 11. Round | 04/05/1998 | JEF United Ichihara | - | Avispa Fukuoka | 4:2 | |
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| 12. Round | 08/05/1998 | Consadole Sapporo | - | JEF United Ichihara | 3:2 aet | ||||
| 13. Round | 24/07/1998 | JEF United Ichihara | - | Shimizu S-Pulse | 0:1 | ||||
| 14. Round | 28/07/1998 | Kashima Antlers | - | JEF United Ichihara | 4:1 | ||||
| 17. Round | 07/08/1998 | JEF United Ichihara | - | Yokohama F. Marinos | 2:1 |
Japan