Women's Tennis:
Washington Open, Singles Champions by Year

Full list of singles winners, year by year, of the Washington Open for women, including champions, runner-ups and finals results of each tournament edition.

The Washington Open has crowned its women's singles champion in 13 editions, in which a total of 11 players have won at least one title. The first champion was Nadia Petrova in 2011 and the most recent was Leylah Fernandez in 2025.

The last 9 editions of this tournament were won by 9 different players.

Among the players that won titles, the most successful in the Washington Open are Svetlana Kuznetsova and Magdaléna Rybáriková with 2 trophies each.