US Open (tennis) US$25,000 each. Beginning in 1975, the tournament was played on clay courts instead of grass, and floodlights allowed matches to be played at night. In 1978, the tournament moved from the West Side Tennis Club to the larger and newly constructed USTA National Tennis Center in Flushing Meadows, Queens, three miles to the north. The tournament's court surface also switched from clay to hard. Jimmy Connors is the only individual to have won US Open singles titles on three surfaces (grass, clay, and hard), while Chris Evert is the only woman to win US Open singles titles on two surfaces
2011 US Open Series headlined the event. Agnieszka Radwańska had the chance to win the Series if she advanced to the final, but lost to Petra Cetkovská in the second round. Cetkovská's run of good form continued on to the final where she faced world number one, Wozniacki. Wozniacki defeated Cetkovská for a fourth consecutive title in New Haven. 2011 US Open Series In tennis, the eighth edition of the US Open Series (known as Olympus US Open Series for sponsorships reasons), includes ten hard court tournaments that start on July 18, 2011 in Atlanta and will end in Winston-Salem for the men and