1. Round | 01/03/2018 | Jeju United | - | FC Seoul | 0:0 | ||||
3. Round | 18/03/2018 | Ulsan Hyundai FC | - | Jeju United | 0:1 | ||||
6. Round | 11/04/2018 | Jeonnam Dragons | - | Jeju United | 0:3 | ||||
8. Round | 22/04/2018 | Jeju United | - | Jeonbuk FC | 0:1 | ||||
14. Round | 20/05/2018 | Sangju Sangmu | - | Jeju United | 0:0 | ||||
16. Round | 11/07/2018 | Jeju United | - | Gyeongnam FC | 0:0 | ||||
18. Round | 18/07/2018 | Jeonbuk FC | - | Jeju United | 1:0 | ||||
20. Round | 29/07/2018 | Jeju United | - | Ulsan Hyundai FC | 1:1 | ||||
24. Round | 18/08/2018 | Sangju Sangmu | - | Jeju United | 1:1 | ||||
27. Round | 02/09/2018 | Pohang Steelers | - | Jeju United | 2:2 | ||||
25. Round | 08/09/2018 | Jeju United | - | Suwon Bluewings | 0:0 | ||||
28. Round | 15/09/2018 | Jeonbuk FC | - | Jeju United | 4:0 | ||||
30. Round | 26/09/2018 | Ulsan Hyundai FC | - | Jeju United | 3:2 | ||||
32. Round | 07/10/2018 | Gyeongnam FC | - | Jeju United | 0:1 | ||||
33. Round | 20/10/2018 | Jeju United | - | FC Seoul | 1:0 |