| 2. Jornada | 07.03.2021 | FC Seoul | - | Suwon FC | 3:0 | ||||
| 8. Jornada | 07.04.2021 | Ulsan Hyundai FC | - | FC Seoul | 3:2 | ||||
| 9. Jornada | 10.04.2021 | FC Seoul | - | Pohang Steelers | 1:2 | ||||
| 10. Jornada | 17.04.2021 | FC Seoul | - | Daegu FC | 0:1 | ||||
| 11. Jornada | 21.04.2021 | Jeju United | - | FC Seoul | 2:1 | ||||
| 12. Jornada | 25.04.2021 | Suwon FC | - | FC Seoul | 1:1 | ||||
| 16. Jornada | 05.09.2021 | FC Seoul | - | Jeonbuk FC | 3:4 | ||||
| 29. Jornada | 12.09.2021 | Seongnam FC | - | FC Seoul | 1:1 |  |
Corea del Sur