| 1. Jornada | 04.03.2018 | Gyeongnam FC | - | Sangju Sangmu | 3:1 | ||||
| 2. Jornada | 10.03.2018 | Ulsan Hyundai FC | - | Sangju Sangmu | 0:2 | ||||
| 3. Jornada | 17.03.2018 | Gangwon FC | - | Sangju Sangmu | 2:1 | ||||
| 5. Jornada | 08.04.2018 | Jeju United | - | Sangju Sangmu | 0:0 | ||||
| 6. Jornada | 11.04.2018 | Incheon United | - | Sangju Sangmu | 0:1 |  |
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| 7. Jornada | 14.04.2018 | Suwon Bluewings | - | Sangju Sangmu | 2:1 |  |
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| 8. Jornada | 21.04.2018 | Pohang Steelers | - | Sangju Sangmu | 0:2 | ||||
| 9. Jornada | 25.04.2018 | Daegu FC | - | Sangju Sangmu | 1:2 | |
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| 10. Jornada | 28.04.2018 | FC Seoul | - | Sangju Sangmu | 0:0 | ||||
| 11. Jornada | 02.05.2018 | Sangju Sangmu | - | Jeonnam Dragons | 1:1 | ||||
| 12. Jornada | 05.05.2018 | Sangju Sangmu | - | Gangwon FC | 3:0 | ||||
| 13. Jornada | 13.05.2018 | Sangju Sangmu | - | Incheon United | 3:2 | ||||
| 14. Jornada | 20.05.2018 | Sangju Sangmu | - | Jeju United | 0:0 | ||||
| 15. Jornada | 08.07.2018 | Sangju Sangmu | - | Ulsan Hyundai FC | 2:3 | ||||
| 16. Jornada | 11.07.2018 | Sangju Sangmu | - | Daegu FC | 0:1 | ||||
| 17. Jornada | 14.07.2018 | Jeonnam Dragons | - | Sangju Sangmu | 2:0 | |
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| 19. Jornada | 22.07.2018 | Sangju Sangmu | - | Jeonbuk FC | 0:2 | |
Corea del Sur