12. Round | 05/05/2018 | Ulsan Hyundai FC | - | Pohang Steelers | 2:1 | ||||
13. Round | 12/05/2018 | Jeonbuk FC | - | Pohang Steelers | 0:3 | ||||
14. Round | 20/05/2018 | Pohang Steelers | - | Suwon Bluewings | 1:1 | ||||
15. Round | 07/07/2018 | Gyeongnam FC | - | Pohang Steelers | 2:0 | ||||
16. Round | 11/07/2018 | Pohang Steelers | - | FC Seoul | 0:3 | ||||
17. Round | 15/07/2018 | Pohang Steelers | - | Gangwon FC | 0:0 | ||||
18. Round | 18/07/2018 | Daegu FC | - | Pohang Steelers | 0:1 | ||||
19. Round | 21/07/2018 | Pohang Steelers | - | Jeonnam Dragons | 3:1 | ||||
20. Round | 28/07/2018 | Sangju Sangmu | - | Pohang Steelers | 2:1 |