23. Round | 15/08/2018 | Incheon United | - | Sangju Sangmu | 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 | ||||
28. Round | 16/09/2018 | Gangwon FC | - | Sangju Sangmu | 2:3 | ||||
29. Round | 22/09/2018 | Sangju Sangmu | - | Daegu FC | 2:5 | ||||
31. Round | 30/09/2018 | FC Seoul | - | Sangju Sangmu | 2:2 | ||||
32. Round | 07/10/2018 | Sangju Sangmu | - | Suwon Bluewings | 1:2 | ||||
33. Round | 20/10/2018 | Gyeongnam FC | - | Sangju Sangmu | 2:1 |