2. Round | 04/03/2023 | Daegu FC | - | Jeju United | 1:1 | ||||
3. Round | 12/03/2023 | Incheon United | - | Jeju United | 1:0 | ||||
5. Round | 02/04/2023 | Jeju United | - | Ulsan Hyundai FC | 1:3 | ||||
6. Round | 09/04/2023 | Gangwon FC | - | Jeju United | 0:1 | ||||
14. Round | 20/05/2023 | FC Seoul | - | Jeju United | 1:1 | ||||
15. Round | 27/05/2023 | Jeju United | - | Suwon Bluewings | 2:1 | ||||
16. Round | 03/06/2023 | Jeju United | - | Gangwon FC | 2:2 | ||||
19. Round | 24/06/2023 | Jeju United | - | Daejeon Hana Citizen | 1:1 | ||||
20. Round | 01/07/2023 | Jeonbuk FC | - | Jeju United | 2:0 | ||||
21. Round | 07/07/2023 | Jeju United | - | Daegu FC | 1:2 | ||||
24. Round | 21/07/2023 | Ulsan Hyundai FC | - | Jeju United | 2:1 | ||||
28. Round | 26/08/2023 | Daegu FC | - | Jeju United | 1:0 | ||||
30. Round | 16/09/2023 | Incheon United | - | Jeju United | 2:1 | ||||
32. Round | 01/10/2023 | Jeju United | - | Gwangju FC | 1:2 |