| 28. Jornada | 16.09.2018 | Gangwon FC | - | Sangju Sangmu | 2:3 | ||||
| 29. Jornada | 22.09.2018 | Sangju Sangmu | - | Daegu FC | 2:5 |  |
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| 30. Jornada | 26.09.2018 | Sangju Sangmu | - | Pohang Steelers | 1:2 |  |
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| 31. Jornada | 30.09.2018 | FC Seoul | - | Sangju Sangmu | 2:2 | |
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| 32. Jornada | 07.10.2018 | Sangju Sangmu | - | Suwon Bluewings | 1:2 | ||||
| 33. Jornada | 20.10.2018 | Gyeongnam FC | - | Sangju Sangmu | 2:1 |
Corea del Sur