20. Round | 12/07/2017 | Jeju United | - | Jeonbuk FC | 2:1 | ||||
22. Round | 19/07/2017 | Sangju Sangmu | - | Jeju United | 0:3 | ||||
23. Round | 22/07/2017 | Jeju United | - | Pohang Steelers | 3:2 | ||||
24. Round | 02/08/2017 | Jeju United | - | Daegu FC | 2:0 | ||||
25. Round | 05/08/2017 | Incheon United | - | Jeju United | 0:0 | ||||
26. Round | 13/08/2017 | Gangwon FC | - | Jeju United | 0:2 | ||||
27. Round | 19/08/2017 | Jeju United | - | Jeonnam Dragons | 3:1 | ||||
13. Round | 02/09/2017 | Gwangju FC | - | Jeju United | 0:1 | ||||
29. Round | 09/09/2017 | FC Seoul | - | Jeju United | 0:0 | ||||
28. Round | 08/10/2017 | Jeju United | - | Jeonbuk FC | 0:1 |