16. Round | 03/06/2023 | Jeju United | - | Gangwon FC | 2:2 | ||||
19. Round | 24/06/2023 | Jeju United | - | Daejeon Hana Citizen | 1:1 | ||||
21. Round | 07/07/2023 | Jeju United | - | Daegu FC | 1:2 | ||||
23. Round | 16/07/2023 | Pohang Steelers | - | Jeju United | 4:2 | ||||
29. Round | 03/09/2023 | Jeju United | - | Jeonbuk FC | 0:0 | ||||
30. Round | 16/09/2023 | Incheon United | - | Jeju United | 2:1 | ||||
32. Round | 01/10/2023 | Jeju United | - | Gwangju FC | 1:2 |