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 (tennis) 2011 US Open (tennis) The 2011 US Open was a tennis tournament played on the outdoor hard courts at the Billie Jean King National Tennis Center in Flushing Meadows Park, of Queens, New York City, United States. It began on 29 August and was originally scheduled to end on 11 September, but the men's final was postponed to 12 September due to rain. Rafael Nadal and Kim Clijsters were the defending champions. Due to an abdominal muscle injury, Clijsters was not able to defend her title. In the women's singles, Australia's Samantha Stosur defeated Serena Williams in straight sets 6–2,