9. Round | 21/04/2012 | FC Seoul | - | Jeju United | 1:1 | ||||
13. Round | 19/05/2012 | Chunnam Dragons | - | Jeju United | 1:0 | ||||
14. Round | 27/05/2012 | Jeju United | - | Sangju Sangmu | 2:1 | ||||
15. Round | 13/06/2012 | Jeju United | - | Jeonbuk FC | 1:3 | ||||
16. Round | 17/06/2012 | Suwon Bluewings | - | Jeju United | 1:1 | ||||
17. Round | 23/06/2012 | Jeju United | - | Pohang Steelers | 0:1 | ||||
18. Round | 27/06/2012 | Jeju United | - | Busan IPark | 5:2 | ||||
19. Round | 30/06/2012 | Daegu FC | - | Jeju United | 2:0 | ||||
20. Round | 12/07/2012 | Ulsan Hyundai FC | - | Jeju United | 2:2 | ||||
21. Round | 15/07/2012 | Jeju United | - | Daejeon Citizen | 4:1 | ||||
22. Round | 21/07/2012 | Jeju United | - | Chunnam Dragons | 6:0 | ||||
23. Round | 25/07/2012 | Gyeongnam FC | - | Jeju United | 3:1 | ||||
26. Round | 08/08/2012 | Gangwon FC | - | Jeju United | 1:1 | ||||
27. Round | 11/08/2012 | Jeju United | - | Gwangju FC | 0:2 | ||||
28. Round | 19/08/2012 | Jeonbuk FC | - | Jeju United | 3:3 | ||||
29. Round | 23/08/2012 | Jeju United | - | Seongnam Ilhwa Chunma | 1:2 | ||||
30. Round | 26/08/2012 | Incheon United | - | Jeju United | 0:0 |