The 1973 WTA Tour was also the first season of the WTA Tour was officially formed by Billie Jean King following a meeting held in the Gloucester Hotel in London during the week before Wimbledon.

This is a calendar of all events sponsored by Virginia Slims in the year 1973, with player progression documented from the quarterfinals stage.

The table also includes the Grand Slam tournaments, the 1973 Virginia Slims Championships and the 1973 Federation Cup.

Points were allocated based on these groups and the finishing position of a player in a tournament.

No points were awarded to first round losers and ties were settled by the number of tournaments played.