Water polo: has two posts at each end of the pool with a total of thirteen players on each team and only six player and one goal keeper can be in the water at a time from each team.

The men's events are divided into two pools of six for a round-robin preliminary heat, whcih is for the qualifying teams. The top four from each pool advance to the quarter-finals and the quarter final winners advance to the medal rounds.

The women teams play a round-robin preliminary heat, with four teams advancing to the semi-finals and the two teams that fail to qualify playing for the fifth and sixth place.