11. Round | 21/04/2021 | Jeju United | - | FC Seoul | 2:1 | ||||
18. Round | 23/05/2021 | Gangwon FC | - | FC Seoul | 0:0 | ||||
19. Round | 29/05/2021 | FC Seoul | - | Suwon Bluewings | 0:3 | ||||
15. Round | 06/06/2021 | Daegu FC | - | FC Seoul | 1:1 | ||||
14. Round | 19/06/2021 | Gwangju FC | - | FC Seoul | 1:1 | ||||
17. Round | 14/07/2021 | FC Seoul | - | Incheon United | 0:1 | ||||
21. Round | 24/07/2021 | Pohang Steelers | - | FC Seoul | 0:1 |