5. Round | 08/04/2018 | Jeju United | - | Sangju Sangmu | 0:0 | ||||
6. Round | 11/04/2018 | Incheon United | - | Sangju Sangmu | 0:1 | ||||
7. Round | 14/04/2018 | Suwon Bluewings | - | Sangju Sangmu | 2:1 | ||||
16. Round | 11/07/2018 | Sangju Sangmu | - | Daegu FC | 0:1 | ||||
18. Round | 18/07/2018 | Sangju Sangmu | - | Gyeongnam FC | 0:1 | ||||
19. Round | 22/07/2018 | Sangju Sangmu | - | Jeonbuk FC | 0:2 | ||||
20. Round | 28/07/2018 | Sangju Sangmu | - | Pohang Steelers | 2:1 | ||||
21. Round | 04/08/2018 | Sangju Sangmu | - | Suwon Bluewings | 1:1 | ||||
22. Round | 12/08/2018 | Sangju Sangmu | - | FC Seoul | 1:2 |