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.