| 1. Round | 20/03/1998 | Kashiwa Reysol | - | Sanfrecce Hiroshima | 0:1 | ||||
| 2. Round | 24/03/1998 | Avispa Fukuoka | - | Kashiwa Reysol | 3:4 pso | ||||
| 3. Round | 27/03/1998 | Kashiwa Reysol | - | Consadole Sapporo | 5:4 pso | ||||
| 4. Round | 03/04/1998 | Shimizu S-Pulse | - | Kashiwa Reysol | 0:2 | ||||
| 5. Round | 10/04/1998 | Kashiwa Reysol | - | Kashima Antlers | 3:2 | ||||
| 6. Round | 14/04/1998 | Kashiwa Reysol | - | Kyoto Purple Sanga | 3:2 aet | ||||
| 7. Round | 17/04/1998 | Gamba Osaka | - | Kashiwa Reysol | 3:1 | ||||
| 11. Round | 04/05/1998 | Bellmare Hiratsuka | - | Kashiwa Reysol | 1:3 | ||||
| 12. Round | 08/05/1998 | Kashiwa Reysol | - | Júbilo Iwata | 1:3 | ||||
| 13. Round | 24/07/1998 | Verdy Kawasaki | - | Kashiwa Reysol | 1:3 |  |
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| 14. Round | 28/07/1998 | Kashiwa Reysol | - | Vissel Kobe | 4:0 | ||||
| 15. Round | 31/07/1998 | JEF United Ichihara | - | Kashiwa Reysol | 3:0 |
Japan