Creyda - Info about amateur tennis tournaments, events and tennis ranking for amateur players - http://www.creyda.com
Tennis Thing - Video tips, drills, lessons, motion analysis, technical forums, journals and photo galleries. Interact with tennis coaches in real-time. - http://www.tennisthing.com
International Tennis Number On Court Assessment - A system for players to track and chart their own development and improvement as well as compare their score to other players from around the world. - http://www.oncourtassessment.com
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. - http://www.tenniswelcomecenter.com
Tennis Mates - A free tennis player matching service designed to match tennis players of all skill levels and all locations throughout the world. - http://www.tennismates.com
MyTenniscenter.com - Player registration service to match user with the right playing partners. - http://www.mytenniscenter.com
TennisRank - An automated system of tennis ladders that allows recreational players to set up match via the Internet. - http://www.tennisrank.com
Tennis League - A semi competitive league with competitions held throughout the United States. Uses the USTA NTRP ratings to match players. - http://www.tennis-league.com
Tennis For Everyone - Free listing service that set up tennis matches amongst amateur players. - http://tennisforeveryone.com
Word Team Tennis Recreation Program - A recreational league founded by Billie Jean King in 1974. Provides signup information, news, and rules. - http://www.playwtt.com/
TennisEngine.com - Online Ladder System - Computerized tennis ladder system that offers three ranking methods: quality based ranking system ideal for closed leagues, a more casual 20 point league system, and a traditional tiered ladder. - http://www.tennisengine.com
The Tennis Information System - Extensive collection of statistics and data relating to various amateur tournaments, rankings, and ratings. - http://www.tennisinformation.com/
Spring Tennis league - Find tennis players in a tennis league based in your city, within your level, age and experience. - http://www.1stserve.com/