| 10. Ronde | 17.04.2021 | FC Seoul | - | Daegu FC | 0:1 | ||||
| 11. Ronde | 21.04.2021 | Jeju United | - | FC Seoul | 2:1 |  |
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| 13. Ronde | 30.04.2021 | FC Seoul | - | Seongnam FC | 2:2 | ||||
| 15. Ronde | 06.06.2021 | Daegu FC | - | FC Seoul | 1:1 | ||||
| 14. Ronde | 19.06.2021 | Gwangju FC | - | FC Seoul | 1:1 | ||||
| 26. Ronde | 22.08.2021 | FC Seoul | - | Pohang Steelers | 2:2 | ||||
| 16. Ronde | 05.09.2021 | FC Seoul | - | Jeonbuk FC | 3:4 | ||||
| 29. Ronde | 12.09.2021 | Seongnam FC | - | FC Seoul | 1:1 | ||||
| 30. Ronde | 19.09.2021 | FC Seoul | - | Suwon FC | 2:1 |
Zuid-Korea