| 14. Round | 16/06/2012 | RB Omiya Ardija | - | Kashiwa Reysol | 2:4 | ||||
| 15. Round | 23/06/2012 | Sanfrecce Hiroshima | - | RB Omiya Ardija | 0:0 | ||||
| 16. Round | 30/06/2012 | RB Omiya Ardija | - | Shimizu S-Pulse | 1:0 | ||||
| 17. Round | 07/07/2012 | Kashima Antlers | - | RB Omiya Ardija | 1:0 | ||||
| 18. Round | 14/07/2012 | RB Omiya Ardija | - | Vissel Kobe | 2:2 | ||||
| 19. Round | 28/07/2012 | Kawasaki Frontale | - | RB Omiya Ardija | 4:1 | ||||
| 20. Round | 04/08/2012 | Gamba Osaka | - | RB Omiya Ardija | 3:1 |  |
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| 21. Round | 11/08/2012 | RB Omiya Ardija | - | Sanfrecce Hiroshima | 1:2 | ||||
| 22. Round | 18/08/2012 | FC Tokyo | - | RB Omiya Ardija | 0:1 | ||||
| 23. Round | 25/08/2012 | RB Omiya Ardija | - | Vegalta Sendai | 1:3 | ||||
| 25. Round | 15/09/2012 | RB Omiya Ardija | - | Sagan Tosu | 1:0 |
Japan