| 6. Round | 07/04/2012 | Daejeon Citizen | - | Busan IPark | 0:1 | ||||
| 7. Round | 11/04/2012 | Sangju Sangmu | - | Daejeon Citizen | 1:2 | ||||
| 8. Round | 14/04/2012 | Daejeon Citizen | - | Seongnam Ilhwa Chunma | 0:1 | ||||
| 9. Round | 22/04/2012 | Chunnam Dragons | - | Daejeon Citizen | 3:1 |  |
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| 10. Round | 28/04/2012 | Ulsan Hyundai FC | - | Daejeon Citizen | 2:0 | |
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| 17. Round | 23/06/2012 | Seongnam Ilhwa Chunma | - | Daejeon Citizen | 0:3 | |
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| 19. Round | 30/06/2012 | Busan IPark | - | Daejeon Citizen | 3:1 | ||||
| 22. Round | 21/07/2012 | Daejeon Citizen | - | Sangju Sangmu | 2:2 | |
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| 23. Round | 25/07/2012 | Daejeon Citizen | - | FC Seoul | 0:2 | ||||
| 24. Round | 28/07/2012 | Daejeon Citizen | - | Ulsan Hyundai FC | 0:0 | |
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| 25. Round | 05/08/2012 | Jeonbuk FC | - | Daejeon Citizen | 0:1 | ||||
| 26. Round | 09/08/2012 | Daejeon Citizen | - | Incheon United | 0:2 | ||||
| 27. Round | 12/08/2012 | Daejeon Citizen | - | Gyeongnam FC | 1:1 | ||||
| 28. Round | 18/08/2012 | Gwangju FC | - | Daejeon Citizen | 1:2 | ||||
| 29. Round | 23/08/2012 | Suwon Bluewings | - | Daejeon Citizen | 2:2 | |
Brazil