World Tennis controls the major international team events for all age groups and for Wheelchair Tennis, including the world’s two largest annual international team competitions in sport, the Billie Jean King Cup by Gainbridge for women and the Davis Cup for men.
World Tennis is involved at the highest levels of the game, including the 'the greatest show on earth', the Olympic Games, to which tennis was reintroduced as a full medal sport in 1988.
In addition, World Tennis works closely with the four Grand Slams – Australian Open, Roland-Garros, Wimbledon and US Open – through its presence on the Grand Slam Board and supports each event with administrative, officiating and media services.
The four Grand Slams are all official championships of World Tennis, while the Japan Open, Italian Open Championships and International Championships of Spain are also recognised championships of World Tennis.