| 8. Round | 14/04/2012 | Daejeon Citizen | - | Seongnam Ilhwa Chunma | 0:1 |  |
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| 13. Round | 20/05/2012 | Gyeongnam FC | - | Seongnam Ilhwa Chunma | 2:0 | ||||
| 22. Round | 09/06/2012 | Seongnam Ilhwa Chunma | - | Gyeongnam FC | 2:0 | ||||
| 19. Round | 30/06/2012 | Seongnam Ilhwa Chunma | - | Gangwon FC | 1:2 | ||||
| 20. Round | 08/07/2012 | Seongnam Ilhwa Chunma | - | Chunnam Dragons | 1:1 | ||||
| 21. Round | 14/07/2012 | Gwangju FC | - | Seongnam Ilhwa Chunma | 1:2 | ||||
| 23. Round | 25/07/2012 | Seongnam Ilhwa Chunma | - | Jeonbuk FC | 0:0 | ||||
| 24. Round | 29/07/2012 | Daegu FC | - | Seongnam Ilhwa Chunma | 1:2 | ||||
| 25. Round | 05/08/2012 | Pohang Steelers | - | Seongnam Ilhwa Chunma | 3:1 | ||||
| 26. Round | 08/08/2012 | Seongnam Ilhwa Chunma | - | Ulsan Hyundai FC | 0:1 | ||||
| 27. Round | 11/08/2012 | Seongnam Ilhwa Chunma | - | FC Seoul | 2:3 | ||||
| 28. Round | 19/08/2012 | Sangju Sangmu | - | Seongnam Ilhwa Chunma | 0:3 | ||||
| 29. Round | 23/08/2012 | Jeju United | - | Seongnam Ilhwa Chunma | 1:2 | ||||
| 30. Round | 26/08/2012 | Seongnam Ilhwa Chunma | - | Suwon Bluewings | 1:1 |
South Korea