20. Round | 12/07/2012 | Ulsan Hyundai FC | - | Jeju United | 2:2 | ||||
21. Round | 15/07/2012 | Jeju United | - | Daejeon Citizen | 4:1 | ||||
23. Round | 25/07/2012 | Gyeongnam FC | - | Jeju United | 3:1 | ||||
24. Round | 28/07/2012 | Jeju United | - | FC Seoul | 3:3 | ||||
26. Round | 08/08/2012 | Gangwon FC | - | Jeju United | 1:1 | ||||
28. Round | 19/08/2012 | Jeonbuk FC | - | Jeju United | 3:3 | ||||
30. Round | 26/08/2012 | Incheon United | - | Jeju United | 0:0 |