1. Round | 28/02/2021 | Pohang Steelers | - | Incheon United | 2:1 | ||||
8. Round | 07/04/2021 | Incheon United | - | Suwon Bluewings | 0:0 | ||||
9. Round | 11/04/2021 | Jeonbuk FC | - | Incheon United | 5:0 | ||||
10. Round | 17/04/2021 | Incheon United | - | Jeju United | 0:3 | ||||
11. Round | 21/04/2021 | Seongnam FC | - | Incheon United | 1:3 | ||||
12. Round | 25/04/2021 | Incheon United | - | Ulsan Hyundai FC | 0:0 | ||||
13. Round | 02/05/2021 | Incheon United | - | Gangwon FC | 1:0 | ||||
14. Round | 08/05/2021 | Daegu FC | - | Incheon United | 3:0 | ||||
15. Round | 11/05/2021 | Incheon United | - | Pohang Steelers | 1:1 | ||||
18. Round | 21/05/2021 | Suwon FC | - | Incheon United | 2:2 | ||||
19. Round | 29/05/2021 | Incheon United | - | Jeonbuk FC | 1:1 |