12. Round | 18/05/2019 | Jeonbuk FC | - | Jeju United | 3:1 | ||||
13. Round | 25/05/2019 | Gangwon FC | - | Jeju United | 0:1 | ||||
14. Round | 28/05/2019 | Jeju United | - | Incheon United | 1:2 | ||||
15. Round | 01/06/2019 | Jeju United | - | Ulsan Hyundai FC | 1:3 | ||||
16. Round | 16/06/2019 | Sangju Sangmu | - | Jeju United | 4:2 | ||||
23. Round | 31/07/2019 | Jeonbuk FC | - | Jeju United | 2:2 | ||||
28. Round | 30/08/2019 | Suwon Bluewings | - | Jeju United | 1:0 |