1. Round | 01/03/2018 | Jeju United | - | FC Seoul | 0:0 | ||||
3. Round | 18/03/2018 | Jeonbuk FC | - | FC Seoul | 2:1 | ||||
8. Round | 21/04/2018 | FC Seoul | - | Daegu FC | 3:0 | ||||
9. Round | 25/04/2018 | Jeonnam Dragons | - | FC Seoul | 2:1 | ||||
11. Round | 02/05/2018 | Gyeongnam FC | - | FC Seoul | 0:0 | ||||
12. Round | 05/05/2018 | FC Seoul | - | Suwon Bluewings | 2:1 | ||||
23. Round | 15/08/2018 | Suwon Bluewings | - | FC Seoul | 1:2 | ||||
24. Round | 19/08/2018 | FC Seoul | - | Jeonbuk FC | 0:2 | ||||
27. Round | 01/09/2018 | Gangwon FC | - | FC Seoul | 0:0 | ||||
28. Round | 16/09/2018 | FC Seoul | - | Daegu FC | 0:2 |