| 1. Round | 16/08/2003 | Vissel Kobe | - | JEF United Ichihara | 0:1 | ||||
| 2. Round | 22/08/2003 | JEF United Ichihara | - | Gamba Osaka | 2:1 |  |
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| 3. Round | 29/08/2003 | Nagoya Grampus Eight | - | JEF United Ichihara | 1:3 | ||||
| 4. Round | 06/09/2003 | JEF United Ichihara | - | Kashima Antlers | 2:3 | ||||
| 5. Round | 12/09/2003 | FC Tokyo | - | JEF United Ichihara | 2:2 | ||||
| 6. Round | 19/09/2003 | JEF United Ichihara | - | Kashiwa Reysol | 1:1 | ||||
| 7. Round | 22/09/2003 | Urawa Red Diamonds | - | JEF United Ichihara | 2:2 | ||||
| 8. Round | 26/09/2003 | JEF United Ichihara | - | Shimizu S-Pulse | 2:1 | ||||
| 9. Round | 03/10/2003 | Yokohama F. Marinos | - | JEF United Ichihara | 1:0 | ||||
| 10. Round | 17/10/2003 | Vegalta Sendai | - | JEF United Ichihara | 1:2 | ||||
| 11. Round | 24/10/2003 | JEF United Ichihara | - | Júbilo Iwata | 1:1 | ||||
| 14. Round | 22/11/2003 | JEF United Ichihara | - | Oita Trinita | 1:1 | ||||
| 15. Round | 28/11/2003 | Tokyo Verdy | - | JEF United Ichihara | 0:2 |
Slovenia