Wimbledon - The All England Lawn Tennis and Croquet Club
wimbledon.org
Information on the club, live scores and draws, video clips from past matches, history of the tournament, and streaming audio of Radio Wimbledon during the tournament.
US Open
usopen.org
Live scores and draws, ticket information, online tournament store, streaming audio and video of interviews, and games.
grand slam records and statistics
ourworld.cs.com
A listing of all final round results, and extensive individual and head-to-head records and statistics.
Australian Open
australianopen.com.au
Provides scoreboard, news, photos, players, and tournament information.
Roland Garros - The French Open
rolandgarros.com
Features live scores and information on the tournament, player statistics, schedule of play, and real-time audio.