The Tennis Information System - Extensive collection of statistics and data relating to various amateur tournaments, rankings, and ratings. TennisEngine.com - Computerized tennis ladder system that offers three ranking methods: quality based for closed leagues, casual 20 point league system, and a traditional tiered ladder. Word Team Tennis Recreation Program - A recreational league founded by Billie Jean King in 1974. Provides signup information, news, and rules. Tennis League - A semi competitive league with competitions held throughout the United States. Uses the USTA NTRP ratings to match players. MyTenniscenter.com - Player registration service to match user with the right playing partners. Tennis Welcome Centers - A directory of facilities screened by the Tennis Industry Association that provide programs targeted towards new players. User can search for local parks and clubs providing lessons by zip code. Creyda - Info about amateur tennis tournaments, events and tennis ranking for amateur players Global Tennis Network - Organize tennis leagues, tournaments and ladders, and locate courts, partners, and services. The Tennis Tour - Find local players, leagues, and instructors in the U.S. LeagueTennis.com - Find tennis players in a tennis league based in your city, within your level, age and experience. Tennisopolis - Tennis social network where tennis partners, fans and industry members connect. Visitors can search the member database to locate tennis players by skill level and location. Tennis Tonic - Find a tennis partner, coach, club and courts Tennis Round - Connect with tennis players at your level, send and receive invites to schedule tennis matches, find tennis courts nationwide in the United States. TennisPartner.co.uk - A new social networking site for tennis players. Helps find new partners, courts and clubs, the right equipment with classifieds, boasts tournaments forums and coach tips. Southwest Arkansas Tennis - The Breakers Challenge League - A unique singles Challenge League using Coman 10 Point Tie-Breakers and allowing players to set up matches at their leisure. Currently based in southwest Arkansas. TennisOrbit.com - Serves as a hub for players, coaches, and teaching pros worldwide, providing information sharing, interactions, and browsing through personal profiles. Fatso Tennis - The site for overweight and out of shape people who love tennis.