1. Round | 04/03/2018 | Gyeongnam FC | - | Sangju Sangmu | 3:1 | ||||
2. Round | 10/03/2018 | Ulsan Hyundai FC | - | Sangju Sangmu | 0:2 | ||||
3. Round | 17/03/2018 | Gangwon FC | - | Sangju Sangmu | 2:1 | ||||
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 | ||||
8. Round | 21/04/2018 | Pohang Steelers | - | Sangju Sangmu | 0:2 | ||||
9. Round | 25/04/2018 | Daegu FC | - | Sangju Sangmu | 1:2 | ||||
10. Round | 28/04/2018 | FC Seoul | - | Sangju Sangmu | 0:0 | ||||
11. Round | 02/05/2018 | Sangju Sangmu | - | Jeonnam Dragons | 1:1 | ||||
12. Round | 05/05/2018 | Sangju Sangmu | - | Gangwon FC | 3:0 | ||||
13. Round | 13/05/2018 | Sangju Sangmu | - | Incheon United | 3:2 | ||||
14. Round | 20/05/2018 | Sangju Sangmu | - | Jeju United | 0:0 | ||||
15. Round | 08/07/2018 | Sangju Sangmu | - | Ulsan Hyundai FC | 2:3 | ||||
16. Round | 11/07/2018 | Sangju Sangmu | - | Daegu FC | 0:1 | ||||
17. Round | 14/07/2018 | Jeonnam Dragons | - | Sangju Sangmu | 2:0 | ||||
19. Round | 22/07/2018 | Sangju Sangmu | - | Jeonbuk FC | 0:2 |