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

ESPN Tennis Women's Grand Slam Title Winners
- List of singles champions from 1877 to present day.
- http://sports.espn.go.com/sports/tennis/history?type=women

ESPN Tennis Men's Grand Slam Title Winners
- List of singles champions from 1877 to present day.
- http://sports.espn.go.com/sports/tennis/history?type=men

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/

Men's and Women's Grand Slam Records and Statistics
- A listing of all final round results, and extensive individual and head-to-head records and statistics.
- http://ourworld.cs.com/atomalt/index.htm