[1] The tournament was sponsored by Blue Dragon Lottery Online, and known as the Blue Dragon League for sponsorship purposes.

[2][3] A total of 12 teams located in Northern, Upper western, and Upper central of Thailand will compete in the league of the Northern region.

A T3 team could register 3 foreign players from foreign players all around the world.

A team can use 3 foreign players on the field in each game.

Notes: (H) = Home team; (A) = Away team Updated to games played on 26 February 2022Source: Thai League 3 Source: Thai League