1. Round | 01/03/2018 | Jeju United | - | FC Seoul | 0:0 | ||||
2. Round | 11/03/2018 | FC Seoul | - | Gangwon FC | 1:2 | ||||
15. Round | 08/07/2018 | Daegu FC | - | FC Seoul | 2:2 | ||||
17. Round | 15/07/2018 | FC Seoul | - | Ulsan Hyundai FC | 1:1 | ||||
19. Round | 22/07/2018 | Incheon United | - | FC Seoul | 2:1 | ||||
21. Round | 04/08/2018 | FC Seoul | - | Jeju United | 3:0 | ||||
22. Round | 12/08/2018 | Sangju Sangmu | - | FC Seoul | 1:2 | ||||
25. Round | 22/08/2018 | FC Seoul | - | Pohang Steelers | 0:1 | ||||
27. Round | 01/09/2018 | Gangwon FC | - | FC Seoul | 0:0 | ||||
29. Round | 22/09/2018 | Gyeongnam FC | - | FC Seoul | 2:1 | ||||
32. Round | 06/10/2018 | Jeonnam Dragons | - | FC Seoul | 1:0 |