25. Round | 08/09/2018 | Jeju United | - | Suwon Bluewings | 0:0 | ||||
28. Round | 15/09/2018 | Jeonbuk FC | - | Jeju United | 4:0 | ||||
29. Round | 23/09/2018 | Jeju United | - | Gangwon FC | 2:2 | ||||
30. Round | 26/09/2018 | Ulsan Hyundai FC | - | Jeju United | 3:2 | ||||
31. Round | 29/09/2018 | Jeju United | - | Jeonnam Dragons | 1:0 | ||||
32. Round | 07/10/2018 | Gyeongnam FC | - | Jeju United | 0:1 | ||||
33. Round | 20/10/2018 | Jeju United | - | FC Seoul | 1:0 |