Due to the COVID-19 pandemic, the total amount of rounds were reduced from 28 to 21.
[1] Before the season, Gumi Sportstoto relocated to Sejong City.
Incheon Hyundai Steel Red Angels won their eighth consecutive title after defeating Gyeongju KHNP in the play-offs final.
Boeun Sangmu were not allowed to sign any foreign players due to their military status.
Incheon Hyundai Steel Red Angels won 2–0 on aggregate.