8. Round | 22/04/2018 | Incheon United | - | Suwon Bluewings | 2:3 | ||||
15. Round | 07/07/2018 | Jeonbuk FC | - | Incheon United | 3:3 | ||||
16. Round | 11/07/2018 | Incheon United | - | Gangwon FC | 3:3 | ||||
17. Round | 14/07/2018 | Gyeongnam FC | - | Incheon United | 3:0 | ||||
25. Round | 22/08/2018 | Incheon United | - | Jeonnam Dragons | 3:1 | ||||
26. Round | 25/08/2018 | Jeju United | - | Incheon United | 0:0 | ||||
27. Round | 02/09/2018 | Incheon United | - | Ulsan Hyundai FC | 3:2 | ||||
28. Round | 15/09/2018 | Incheon United | - | Suwon Bluewings | 0:0 | ||||
29. Round | 22/09/2018 | Pohang Steelers | - | Incheon United | 1:0 | ||||
30. Round | 26/09/2018 | FC Seoul | - | Incheon United | 1:1 | ||||
31. Round | 30/09/2018 | Incheon United | - | Gyeongnam FC | 2:2 | ||||
32. Round | 06/10/2018 | Daegu FC | - | Incheon United | 1:2 | ||||
33. Round | 20/10/2018 | Jeonbuk FC | - | Incheon United | 3:2 |