| 2. Round | 04/04/2003 | Oita Trinita | - | JEF United Ichihara | 0:4 |  |
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| 3. Round | 11/04/2003 | JEF United Ichihara | - | Vissel Kobe | 0:3 | ||||
| 4. Round | 18/04/2003 | Gamba Osaka | - | JEF United Ichihara | 3:3 | ||||
| 5. Round | 25/04/2003 | JEF United Ichihara | - | Yokohama F. Marinos | 3:1 | ||||
| 6. Round | 28/04/2003 | JEF United Ichihara | - | Kyoto Purple Sanga | 5:1 | ||||
| 7. Round | 04/05/2003 | Cerezo Osaka | - | JEF United Ichihara | 1:3 | ||||
| 8. Round | 09/05/2003 | JEF United Ichihara | - | Nagoya Grampus Eight | 1:2 | ||||
| 9. Round | 16/05/2003 | Kashima Antlers | - | JEF United Ichihara | 0:2 | ||||
| 10. Round | 23/05/2003 | JEF United Ichihara | - | FC Tokyo | 0:0 | ||||
| 11. Round | 04/07/2003 | Kashiwa Reysol | - | JEF United Ichihara | 0:2 | ||||
| 12. Round | 11/07/2003 | JEF United Ichihara | - | Vegalta Sendai | 5:1 |  |
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| 13. Round | 19/07/2003 | Júbilo Iwata | - | JEF United Ichihara | 2:2 | |
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| 15. Round | 01/08/2003 | JEF United Ichihara | - | Urawa Red Diamonds | 1:2 |
Slovenia