7. Round | 03/04/2021 | FC Seoul | - | Gangwon FC | 0:1 | ||||
9. Round | 10/04/2021 | FC Seoul | - | Pohang Steelers | 1:2 | ||||
10. Round | 17/04/2021 | FC Seoul | - | Daegu FC | 0:1 | ||||
11. Round | 21/04/2021 | Jeju United | - | FC Seoul | 2:1 | ||||
13. Round | 30/04/2021 | FC Seoul | - | Seongnam FC | 2:2 | ||||
18. Round | 23/05/2021 | Gangwon FC | - | FC Seoul | 0:0 | ||||
14. Round | 19/06/2021 | Gwangju FC | - | FC Seoul | 1:1 | ||||
16. Round | 05/09/2021 | FC Seoul | - | Jeonbuk FC | 3:4 |