| 3. Jornada | 09.03.2021 | Ulsan Hyundai FC | - | Incheon United | 3:1 | ||||
| 6. Jornada | 21.03.2021 | Daegu FC | - | Ulsan Hyundai FC | 2:1 | ||||
| 7. Jornada | 03.04.2021 | Seongnam FC | - | Ulsan Hyundai FC | 0:1 | ||||
| 9. Jornada | 11.04.2021 | Suwon FC | - | Ulsan Hyundai FC | 0:1 | ||||
| 10. Jornada | 18.04.2021 | Suwon Bluewings | - | Ulsan Hyundai FC | 3:0 | ||||
| 16. Jornada | 16.05.2021 | Ulsan Hyundai FC | - | Suwon Bluewings | 1:1 | ||||
| 21. Jornada | 25.07.2021 | Ulsan Hyundai FC | - | Suwon FC | 2:5 | ||||
| 22. Jornada | 31.07.2021 | FC Seoul | - | Ulsan Hyundai FC | 0:0 |  |
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| 27. Jornada | 25.08.2021 | FC Seoul | - | Ulsan Hyundai FC | 1:2 | ||||
| 30. Jornada | 18.09.2021 | Daegu FC | - | Ulsan Hyundai FC | 2:1 | ||||
| 31. Jornada | 21.09.2021 | Pohang Steelers | - | Ulsan Hyundai FC | 1:2 | ||||
| 32. Jornada | 25.09.2021 | Ulsan Hyundai FC | - | Gwangju FC | 1:0 | ||||
| 33. Jornada | 02.10.2021 | Suwon FC | - | Ulsan Hyundai FC | 0:3 |
Corea del Sur