Chris Evert is the only woman to have won the U.S. Open singles title on three different court surfaces.
Betty Stove is the only woman to have won the U.S. Open women's doubles title on three different court surfaces.
Chris Evert had the most U.S. Open wins--six--in the Open Era., and retired with a U.S. Open 101-12 match record.
Molla B. Mallory had the most wins--eight --of all time, defeating eight different opponents.
Molla B. Mallory played in the most U.S. Open finals--ten, and Chris Evert played in the most finals in the Open Era--nine, and also in the most successive finals--six.
The combined ages of Martina Hingis and the unseeded Venus Williams--when they played their final in 1997--was thirty-three.
On two different occasions, the mixed doubles champions also won their respective singles and doubles titles (1938--Don Budge and Alice Marble, 1954--Vic Seixis and Doris Hart). Fifteen women have won the singles, women's doubles and mixed doubles titles at the U.S. Open.