| 15. Round | 09/07/2005 | JEF United Chiba | - | Albirex Niigata | 3:2 |  |
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| 17. Round | 18/07/2005 | JEF United Chiba | - | RB Omiya Ardija | 2:0 | ||||
| 19. Round | 21/08/2005 | Kashiwa Reysol | - | JEF United Chiba | 1:2 | ||||
| 20. Round | 24/08/2005 | JEF United Chiba | - | Cerezo Osaka | 1:2 | ||||
| 25. Round | 24/09/2005 | JEF United Chiba | - | Shimizu S-Pulse | 2:1 |
Japan