4 Korean teams & 8 SEA teams will participate in separate single-elimination best-of-one bracket. Top two teams from each qualifier will participate in a best-of-three final for each group. Winners of Korean and SEA pre-qualifiers will advance to play-in matches.
6 invited teams along with winners of pre-qualifiers will compete in best-of-three matches to advance to group stage.
4 teams invited to round robin group stage compete with winners of play-in matches to advance to main event.
2 teams from each group advance to best-of-five single-elimination playoffs.