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 | ||||
4. Round | 31/03/2018 | Jeonbuk FC | - | Sangju Sangmu | 1:0 | ||||
5. Round | 08/04/2018 | Jeju United | - | Sangju Sangmu | 0:0 | ||||
6. Round | 11/04/2018 | Incheon United | - | Sangju Sangmu | 0:1 | ||||
14. Round | 20/05/2018 | Sangju Sangmu | - | Jeju United | 0:0 | ||||
24. Round | 18/08/2018 | Sangju Sangmu | - | Jeju United | 1:1 | ||||
25. Round | 22/08/2018 | Ulsan Hyundai FC | - | Sangju Sangmu | 4:1 | ||||
26. Round | 25/08/2018 | Sangju Sangmu | - | Jeonbuk FC | 2:2 | ||||
27. Round | 01/09/2018 | Sangju Sangmu | - | Jeonnam Dragons | 1:2 |