Roland Garros - The French Open - Official site with live scores and information on the tournament, player statistics, schedule of play, and real-time audio. - http://www.fft.fr/rolandgarros/default_en.asp
Grand Slam Tennis Archive - Provides men's singles results from 1877 to the present day. Contains results from first round onwards. - http://grandslamtennis.freeukisp.co.uk
Australian Open - Official website. Provides scoreboard, news, photos, players, and tournament information. - http://www.australianopen.com
Wimbledon - The All England Lawn Tennis and Croquet Club - Official website. 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. - http://www.wimbledon.org/
US Open - Official website. Live scores and draws, ticket information, online tournament store, streaming audio and video of interviews, and games. - http://www.usopen.org/