Complete application for managing dams, rankings, tournaments and tennis, beach tennis and table tennis clubs. It has the following functionalities: 1 - Dams: players are divided into divisions where each player plays against all others in the same division, at the end of the season the application moves the players up or down depending on their classification. 2 - Rankings: players are ranked in a single list and clashes are drawn each round. 3 - Tournaments: tournament in the traditional mode