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Men's competition contains fourteen teams, split into two groups of seven teams while women's competition contains fifteen teams, split in three groups of five teams. After playing a round-robin, the four top ranked team advanced to the Main Round. Every team kept the points from preliminary round matches against teams who also advanced. In the main round every team had 2 games against the opponents they did not face in the preliminary round. All teams advanced to the Quarter-finals. The two bottom ranked team from each preliminary round group were packed into one group. The points won against the teams who were also in this group were valid.
Matches were played in sets, the team that wins two sets is the winner of a match. When teams are equal in points the head-to-head result was decisive.
