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The 1974 Virginia Slims of Washington was a women's tennis tournament played on indoor carpet courts at the James Robinson School Field House in Fairfax, Virginia in the United States that was part of the 1974 Virginia Slims World Championship Series. It was the third edition of the tournament and was held from January 28 through February 3, 1974. First-seeded Billie Jean King won the singles title and earned $10,000 first-prize money.