Joe's Tennis String Forum

Experiences with tennis strings and racquet stringing. Includes ratings of different brands, tips on stringing, and a price table for racquet stringing mail-order services in the USA.
http://www.stringforum.net/

MensTennisForums.com

Large range of men's tennis message boards with a focus on the professional tour throughout the world.
http://www.menstennisforums.com/

Tennis Forum

A place to discuess a variety of tennis topics.
http://www.tennis-forum.net

Lawn Tennis Magazine - Message Board

A forum that discusses professional players, tournaments, and other tennis related topics. Includes a restricted area for subscribers to the magazine.
http://www.ltmn.com/forums/

TennisGods

Forum to discuss racquets, strings, technique, professional players, and injuries.
http://www.tennisads.com

Tennis Forums .Net

Discuss tournaments, players, equipment, and all other aspects of the game.
http://www.tennisforums.net

Tennis Opinions

A threaded forum where the topics of discussion are general tennis, equipment, and lesson related.
http://www.tennisopinions.com/

PinoyTennis.com

Discussion forum for Filipino tennis fans around the world.
http://www.pinoytennis.com

World of Tennis

Discusses about play on the WTA and ATP Tour.
http://s3.invisionfree.com/WTA_World/

Worldwide Tennis Forum

Disscuss general tennis issues, players, and upcoming tournaments.
http://tennisfan1.proboards33.com

WTN Tennis Forums

Discusses men's and women's professional tennis tournaments.
http://www.wtntennis.info/