Tennis is a sport usually played between two players (singles) or between two teams of two players each (doubles) ... The rules of tennis have not changed much since the 1890s. ...
Promotes the development of tennis in the United States. Site includes news, tournament results, rankings, schedules, membership information, trivia, fun facts, and more.
ATPWorldTour.com, the official and most visited web site dedicated to men's professional tennis year round features lives scores, results, rankings, news, photos, ...
