3. Jornada | 18.03.2018 | Ulsan Hyundai FC | - | Jeju United | 0:1 | ||||
5. Jornada | 08.04.2018 | Jeju United | - | Sangju Sangmu | 0:0 | ||||
6. Jornada | 11.04.2018 | Jeonnam Dragons | - | Jeju United | 0:3 | ||||
9. Jornada | 25.04.2018 | Pohang Steelers | - | Jeju United | 0:1 | ||||
10. Jornada | 28.04.2018 | Daegu FC | - | Jeju United | 1:4 | ||||
11. Jornada | 02.05.2018 | Jeju United | - | Gangwon FC | 3:5 |