 The three best teams of each group (total of 12 teams) progressed to the second stage, with group winners advancing to the quarterfinals while second and third placed advanced to the playoffs.The second stage of the tournament consisted of a single-elimination, with winners advancing to the next round.A playoff was played (involving group second and third places) to determine which teams joined the group winners in the quarterfinals, followed by semifinals, 3rd place match and final.