First rounds of upper bracket: — 40 teams divided into 2 groups, 20 teams in each; — each group plays 6 maps; — top-10 of each group advance to the second round of the upper bracket, and the remaining teams drop to the first round of the lower bracket
Second round of upper bracket: — 6 maps to be played; — top-10 teams reach the finals; — the rest of the teams drop to the second round of the lower bracket.
First round of the lower bracket: — 6 maps to be played; — top-10 teams advance to the second round of the lower bracket; — the remaining teams are eliminated.
Second round of the lower bracket: — 6 maps to be played; — top-10 teams reach the finals; — the remaining teams are eliminated.
Finals: — 6 maps to be played; — 2 best teams get a slot at the ALGS 2022 Championship.