1. Round | 28/02/2021 | Pohang Steelers | - | Incheon United | 2:1 | ||||
8. Round | 07/04/2021 | Incheon United | - | Suwon Bluewings | 0:0 | ||||
11. Round | 21/04/2021 | Seongnam FC | - | Incheon United | 1:3 | ||||
13. Round | 02/05/2021 | Incheon United | - | Gangwon FC | 1:0 | ||||
26. Round | 06/10/2021 | Incheon United | - | Gangwon FC | 0:1 |