| 24. Jornada | 21.07.2023 | Ulsan Hyundai FC | - | Jeju United | 2:1 | ||||
| 25. Jornada | 06.08.2023 | Jeju United | - | Gangwon FC | 1:1 | ||||
| 26. Jornada | 12.08.2023 | Jeju United | - | Suwon FC | 3:0 | ||||
| 27. Jornada | 18.08.2023 | Suwon Bluewings | - | Jeju United | 1:0 | ||||
| 28. Jornada | 26.08.2023 | Daegu FC | - | Jeju United | 1:0 |  |
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| 31. Jornada | 23.09.2023 | Jeju United | - | FC Seoul | 1:3 | ||||
| 33. Jornada | 08.10.2023 | Daejeon Hana Citizen | - | Jeju United | 1:0 |
Corea del Sur