1stserve -- "The ultimate tennis site and virtual tennis club, with local Tennis leagues, players, lessons, racket discounts, magazine, tennis dating and more"
About.com Tennis -- "Tennis.about.com covers tennis instruction, the pro tours, tennis history, and how to buy racquets and other equipment. Resources include original articles, how-to's, a discussion forum, and a catalogue of hundreds of Web sites individually reviewed by your tennis guide."
ATPtennis.com -- "The official web site of the ATP, the governing body of men's professional tennis. The world of tennis: ATP Champions Race, rankings, event history, results, news, reports, biographies, live scores, chats and more."
Australian Open -- "The official site of the Australian Open ... Follow the championship tennis tournament, view live scores and learn about the players."
CBS SportsLine.com Tennis -- "Tennis
coverage including news for ATP and WTA tours,
results, schedules, earnings, rankings, and player
ESPN Tennis -- "The latest tennis scores, tennis news, and tennis rankings, all at ESPN.com."
FOXSports.com - Tennis -- "FOXSports.com gives you complete coverage of the sporting world and provides all the information you might need on FOXSports and Fox Sports Net broadcasts."
ITF - International Tennis Federation -- "The website of the International Tennis Federation, the world governing body of tennis - information on all aspects of tennis including players, records, rules and events such as Davis Cup and Fed Cup."
Open Directory - Tennis -- "The Open Directory Project is the largest, most comprehensive human-edited directory of the Web. It is constructed and maintained by a vast global community of volunteer editors."
Operation Doubles: Tennis Doubles Strategy and Tactics -- "Comprehensive, illustrated guide for players of all levels. It covers everything from the first things to know to the top secrets of the game, including the three basic doubles formations/strategies, switching, poaching, serving, returning serve, Australian Doubles, the I-Formation, net play, match play, partnership, positioning, and the Angle of Return. Great shot-making tips, too."
SI.com Tennis -- "Tennis, tennis scores, boxing, Olympics, cycling, horse racing, track and field, cricket, rugby and more, and expert commentary, all at SI.com."
TENNIS.com -- "TENNIS.com is the official Web site of TENNIS Magazine."
Tennis Network -- "Tennis Network is the only exclusively tennis website hosting company offering you an easy-to-use self-managed website service. Consider a Website for your tennis club..."
TennisOnline -- "TennisOnline keeps track of popular tennis-related Web sites around the Internet."
Tennisw.com -- "Online Tennis Community Welcoming Tennis Fans from Throughout the World."
USA Today - Tennis -- "Up-to-the-minute sports news and information for professional, collegiate, high school and fantasy sports teams plus real-time sports scores, stats and in-depth analysis - updated 24/7..."US Open
US Tennis Association -- "To Promote and Develop the Growth of Tennis."