| 1. Ronde | 04.03.2018 | Gyeongnam FC | - | Sangju Sangmu | 3:1 |  |
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| 2. Ronde | 10.03.2018 | Ulsan Hyundai FC | - | Sangju Sangmu | 0:2 | |
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| 3. Ronde | 17.03.2018 | Gangwon FC | - | Sangju Sangmu | 2:1 | |
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| 4. Ronde | 31.03.2018 | Jeonbuk FC | - | Sangju Sangmu | 1:0 | ||||
| 5. Ronde | 08.04.2018 | Jeju United | - | Sangju Sangmu | 0:0 | ||||
| 6. Ronde | 11.04.2018 | Incheon United | - | Sangju Sangmu | 0:1 | ||||
| 14. Ronde | 20.05.2018 | Sangju Sangmu | - | Jeju United | 0:0 | ||||
| 24. Ronde | 18.08.2018 | Sangju Sangmu | - | Jeju United | 1:1 | ||||
| 25. Ronde | 22.08.2018 | Ulsan Hyundai FC | - | Sangju Sangmu | 4:1 | ||||
| 26. Ronde | 25.08.2018 | Sangju Sangmu | - | Jeonbuk FC | 2:2 | |
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| 27. Ronde | 01.09.2018 | Sangju Sangmu | - | Jeonnam Dragons | 1:2 |
Zuid-Korea