8. Round | 22/04/2018 | Jeju United | - | Jeonbuk FC | 0:1 | ||||
10. Round | 28/04/2018 | Daegu FC | - | Jeju United | 1:4 | ||||
11. Round | 02/05/2018 | Jeju United | - | Gangwon FC | 3:5 | ||||
13. Round | 12/05/2018 | Jeju United | - | Jeonnam Dragons | 1:0 | ||||
30. Round | 26/09/2018 | Ulsan Hyundai FC | - | Jeju United | 3:2 |