| 1. Jornada | 25.02.2023 | Ulsan Hyundai FC | - | Jeonbuk FC | 2:1 | ||||
| 2. Jornada | 05.03.2023 | Gangwon FC | - | Ulsan Hyundai FC | 0:1 | ||||
| 3. Jornada | 12.03.2023 | FC Seoul | - | Ulsan Hyundai FC | 1:2 | ||||
| 4. Jornada | 19.03.2023 | Ulsan Hyundai FC | - | Suwon FC | 3:0 | ||||
| 7. Jornada | 16.04.2023 | Daejeon Hana Citizen | - | Ulsan Hyundai FC | 2:1 | ||||
| 12. Jornada | 09.05.2023 | Ulsan Hyundai FC | - | Gangwon FC | 1:0 | ||||
| 19. Jornada | 24.06.2023 | Ulsan Hyundai FC | - | Daegu FC | 3:1 |  |
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| 20. Jornada | 02.07.2023 | Gwangju FC | - | Ulsan Hyundai FC | 0:1 | ||||
| 21. Jornada | 08.07.2023 | Pohang Steelers | - | Ulsan Hyundai FC | 0:1 | ||||
| 23. Jornada | 15.07.2023 | Suwon Bluewings | - | Ulsan Hyundai FC | 3:1 | ||||
| 24. Jornada | 21.07.2023 | Ulsan Hyundai FC | - | Jeju United | 2:1 |  |
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| 26. Jornada | 12.08.2023 | Gangwon FC | - | Ulsan Hyundai FC | 2:0 | |
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| 29. Jornada | 03.09.2023 | Ulsan Hyundai FC | - | Gwangju FC | 0:2 | ||||
| 30. Jornada | 16.09.2023 | Ulsan Hyundai FC | - | Daejeon Hana Citizen | 1:1 | |
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| 31. Jornada | 24.09.2023 | Suwon FC | - | Ulsan Hyundai FC | 2:3 | ||||
| 32. Jornada | 30.09.2023 | Pohang Steelers | - | Ulsan Hyundai FC | 0:0 | ||||
| 33. Jornada | 08.10.2023 | Ulsan Hyundai FC | - | Incheon United | 0:0 |
Corea del Sur