17. Round | 15/07/2018 | FC Seoul | - | Ulsan Hyundai FC | 1:1 | ||||
18. Round | 18/07/2018 | Gangwon FC | - | Ulsan Hyundai FC | 3:3 | ||||
19. Round | 22/07/2018 | Ulsan Hyundai FC | - | Daegu FC | 2:0 | ||||
20. Round | 29/07/2018 | Jeju United | - | Ulsan Hyundai FC | 1:1 | ||||
21. Round | 05/08/2018 | Jeonnam Dragons | - | Ulsan Hyundai FC | 1:2 | ||||
23. Round | 15/08/2018 | Gyeongnam FC | - | Ulsan Hyundai FC | 3:3 | ||||
25. Round | 22/08/2018 | Ulsan Hyundai FC | - | Sangju Sangmu | 4:1 | ||||
27. Round | 02/09/2018 | Incheon United | - | Ulsan Hyundai FC | 3:2 | ||||
29. Round | 23/09/2018 | Jeonnam Dragons | - | Ulsan Hyundai FC | 1:0 | ||||
33. Round | 20/10/2018 | Ulsan Hyundai FC | - | Gangwon FC | 2:0 |