Tennis Ambassadors Christian Ministry  
   Linking players in over 75 nations
   http://www.tennisministry.com/

Harrow Baptist Tennis Club  
   Official site of a club near the town center in Harrow. Site contains news items, a newsletter, scores, and related links.
   http://www.fortunecity.co.uk/olympia/bowling/333/

1stserve  
   An amateur tennis league based in the United States with matchplay for men and women. Singles, doubles, and mixed events are sanctioned by the league.
   http://www.1stserve.com

The Tennis Information System  
   Extensive collection of statistics and data relating to various amateur tournaments, rankings, and ratings.
   http://www.tennisinformation.com/

The Tennis Clubhouse  
   A forum where active tennis players can create and join teams, look for partners and post comments.
   http://www.tennisclubhouse.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

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/

Tennis For Everyone  
   Free listing service that set up tennis matches amongst amateur players.
   http://tennisforeveryone.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

Amateur Tennis League  
   An amateur league of players which provides competition for players of various levels in the United Kingdom.
   http://www.nufcweb.co.uk

Tennis in the Buff  
   A site dedicated to the promotion of tennis tournaments at AANR approved nudist resorts. Prize money given to all winning entrants.
   http://www.tennisinthebuff.com

TennisRank  
   An automated system of tennis ladders that allows recreational players to set up match via the Internet.
   http://www.tennisrank.com

MyTenniscenter.com  
   Player registration service to match user with the right playing partners.
   http://www.mytenniscenter.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

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

Find a Tennis Partner - UK  
   Matches recreational tennis players in the UK. Service will attempt to match players of any standard, either gender, any age.
   http://www.findatennispartner.net/

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