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 | ||||
6. Round | 11/04/2018 | Incheon United | - | Sangju Sangmu | 0:1 | ||||
7. Round | 14/04/2018 | Suwon Bluewings | - | Sangju Sangmu | 2:1 | ||||
22. Round | 12/08/2018 | Sangju Sangmu | - | FC Seoul | 1:2 | ||||
23. Round | 15/08/2018 | Incheon United | - | Sangju Sangmu | 0:0 |