Viertelfinale
11.08.2021 12:00 Gangwon FC Gangwon FC - Suwon Bluewings Suwon Bluewings -:-
11.08.2021 12:00 Daegu FC Daegu FC - Gimcheon Sangmu Gimcheon Sangmu -:-
11.08.2021 12:00 Ulsan Hyundai Ulsan Hyundai - Yangju Citizen Yangju Citizen -:-
11.08.2021 12:00 Jeonnam Dragons Jeonnam Dragons - Pohang Steelers Pohang Steelers -:-