ATP Tennis
Official site for the organization overseeing the professional men's tour.
Canadian Tennis Association
News and information on Canadian tennis and players, the Tennis Masters Series - Canada men's championships and the duMaurier Open women's championships.
CBS.SportsLine.com: Tennis
Includes information on the ATP and WTA tours, results, schedules, rankings.
Junior Tennis
Includes information on USTA national and ITF tournaments, rankings, coaching, player profiles, and interviews.
National Capital Tennis Association
Contains a club directory and information about membership, tournaments and leagues.