The Lisbon Tennis Association (Associação de Ténis de Lisboa) supports and promotes tennis across the Lisbon district, connecting players, clubs, schools and competition organizers. Its website brings together news, results, rankings, tournaments and events, while providing information about affiliated and certified clubs and how to find a place to play.

The association organizes regional circuits for different ages and levels, including Interescolas, youth competitions, the Mini Tour, Pro Tour and Ladies Doubles. These events give players opportunities to compete, develop their skills and meet others through tennis. It also oversees regional championships and regional selections, and shares information on national championships, inter-association competitions and international tennis. Beach tennis is another part of its offer.

Players can find federation membership information, including the opportunity to enter official tournaments, as well as institutional documents, technical information and contact details. The association also invites businesses to support player development, competitions and sporting events through partnership and sponsorship opportunities.