1. Round 01/03/2018 Jeonbuk FC - Ulsan Hyundai FC 2:0
2. Round 10/03/2018 Ulsan Hyundai FC - Sangju Sangmu 0:2
4. Round 31/03/2018 Pohang Steelers - Ulsan Hyundai FC 2:1
5. Round 08/04/2018 Ulsan Hyundai FC - Gangwon FC 3:1
6. Round 11/04/2018 Daegu FC - Ulsan Hyundai FC 0:2
7. Round 14/04/2018 Ulsan Hyundai FC - FC Seoul 1:0
8. Round 22/04/2018 Gyeongnam FC - Ulsan Hyundai FC 0:0
9. Round 25/04/2018 Ulsan Hyundai FC - Incheon United 2:1
10. Round 28/04/2018 Ulsan Hyundai FC - Jeonnam Dragons 1:1
11. Round 02/05/2018 Suwon Bluewings - Ulsan Hyundai FC 0:0
12. Round 05/05/2018 Ulsan Hyundai FC - Pohang Steelers 2:1
13. Round 13/05/2018 Ulsan Hyundai FC - Gyeongnam FC 1:1
14. Round 20/05/2018 Incheon United - Ulsan Hyundai FC 1:1
16. Round 11/07/2018 Ulsan Hyundai FC - Jeonbuk FC 0:2
19. Round 22/07/2018 Ulsan Hyundai FC - Daegu FC 2:0 Goal
20. Round 29/07/2018 Jeju United - Ulsan Hyundai FC 1:1
21. Round 05/08/2018 Jeonnam Dragons - Ulsan Hyundai FC 1:2
22. Round 12/08/2018 Ulsan Hyundai FC - Suwon Bluewings 1:0
24. Round 18/08/2018 Daegu FC - Ulsan Hyundai FC 0:2
25. Round 22/08/2018 Ulsan Hyundai FC - Sangju Sangmu 4:1
26. Round 25/08/2018 Ulsan Hyundai FC - FC Seoul 4:1
27. Round 02/09/2018 Incheon United - Ulsan Hyundai FC 3:2
28. Round 15/09/2018 Ulsan Hyundai FC - Pohang Steelers 2:0
29. Round 23/09/2018 Jeonnam Dragons - Ulsan Hyundai FC 1:0
30. Round 26/09/2018 Ulsan Hyundai FC - Jeju United 3:2
31. Round 29/09/2018 Suwon Bluewings - Ulsan Hyundai FC 2:2
32. Round 07/10/2018 Ulsan Hyundai FC - Jeonbuk FC 2:2