Group A: the representative from the host association (Brazil)
Group B: the representative from the association which were the runners-up from the previous edition (Paraguay)
The other teams were seeded based on the results of their association in the 2018 Copa Libertadores Femenina de Futsal. Each group, apart from the seeded team, contained two teams from each of Pot 1 and Pot 2.[4]
Each team has to submit a squad of 14 players, including a minimum of two goalkeepers.[2]
Group stage
The top two teams of each group advance to the semi-finals.
Tiebreakers
The teams are ranked according to points (3 points for a win, 1 point for a draw, 0 points for a loss). If tied on points, tiebreakers are applied in the following order (Regulations Article 21):[2]
Results in head-to-head matches between tied teams (points, goal difference, goals scored);
In the knockout stage, extra time and penalty shoot-out would be used to decide the winner if necessary (no extra time would be used in the play-offs for third to tenth place).