18. Round | 02/07/2017 | Jeonnam Dragons | - | Jeju United | 2:2 | ||||
19. Round | 09/07/2017 | Suwon Bluewings | - | Jeju United | 1:0 | ||||
20. Round | 12/07/2017 | Jeju United | - | Jeonbuk FC | 2:1 | ||||
21. Round | 16/07/2017 | Jeju United | - | FC Seoul | 1:2 | ||||
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 | ||||
27. Round | 19/08/2017 | Jeju United | - | Jeonnam Dragons | 3:1 | ||||
31. Round | 20/09/2017 | Suwon Bluewings | - | Jeju United | 2:3 | ||||
32. Round | 23/09/2017 | Sangju Sangmu | - | Jeju United | 2:2 | ||||
33. Round | 01/10/2017 | Jeju United | - | Gwangju FC | 1:1 | ||||
28. Round | 08/10/2017 | Jeju United | - | Jeonbuk FC | 0:1 |