| 20. Jornada | 29.07.2018 | Jeju United | - | Ulsan Hyundai FC | 1:1 | ||||
| 21. Jornada | 05.08.2018 | Jeonnam Dragons | - | Ulsan Hyundai FC | 1:2 | ||||
| 22. Jornada | 12.08.2018 | Ulsan Hyundai FC | - | Suwon Bluewings | 1:0 | ||||
| 23. Jornada | 15.08.2018 | Gyeongnam FC | - | Ulsan Hyundai FC | 3:3 | ||||
| 24. Jornada | 18.08.2018 | Daegu FC | - | Ulsan Hyundai FC | 0:2 |  |
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| 25. Jornada | 22.08.2018 | Ulsan Hyundai FC | - | Sangju Sangmu | 4:1 | ||||
| 26. Jornada | 25.08.2018 | Ulsan Hyundai FC | - | FC Seoul | 4:1 |  |
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| 27. Jornada | 02.09.2018 | Incheon United | - | Ulsan Hyundai FC | 3:2 | ||||
| 28. Jornada | 15.09.2018 | Ulsan Hyundai FC | - | Pohang Steelers | 2:0 | |
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| 30. Jornada | 26.09.2018 | Ulsan Hyundai FC | - | Jeju United | 3:2 | |
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| 31. Jornada | 29.09.2018 | Suwon Bluewings | - | Ulsan Hyundai FC | 2:2 | ||||
| 32. Jornada | 07.10.2018 | Ulsan Hyundai FC | - | Jeonbuk FC | 2:2 | ||||
| 33. Jornada | 20.10.2018 | Ulsan Hyundai FC | - | Gangwon FC | 2:0 |
Noruega
