🎾Global

The world governing body of tennis, uniting the national associations, maintaining the rules of the game and running the Davis Cup and the Billie Jean King Cup — now presenting itself online under the World Tennis brand.

The organisation of men's professional tennis — it runs the ATP Tour from ATP 250 events up to the Masters 1000, publishes the rankings and also oversees the Challenger Tour.

The organisation of women's professional tennis — it runs the WTA Tour including the WTA 1000, 500 and 250 events, publishes the rankings and the WTA 125 series.

The independent agency that runs tennis's anti-doping programme (TADP) and anti-corruption programme (TACP) and publishes decisions in rule-breach cases.

The independent association of professional players that represents their interests outside the ATP and WTA structures.

The sport's hall of fame and museum in Newport, USA — it has now inducted more than 270 legends of the game from 28 countries and looks after the historic Newport Casino grounds.

The official list of every national tennis association affiliated to the ITF with links to their websites — a hub for checking any country.