15. Round | 11/05/2021 | Incheon United | - | Pohang Steelers | 1:1 | ||||
16. Round | 15/05/2021 | Incheon United | - | Gwangju FC | 2:1 | ||||
18. Round | 21/05/2021 | Suwon FC | - | Incheon United | 2:2 | ||||
19. Round | 29/05/2021 | Incheon United | - | Jeonbuk FC | 1:1 | ||||
24. Round | 24/10/2021 | Pohang Steelers | - | Incheon United | 0:1 |