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
2010 US Open – Men's Singles 2010 US Open – Men's Singles Juan Martín del Potro was the defending champion, but chose not to participate this year, after undergoing a wrist operation in May and only starting to practice again in August. Del Potro was the third man in the Open Era not to defend his US Open title, after Ken Rosewall in 1971 (due to conflicts between the World Championship Tennis (WCT) and the International Lawn Tennis Federation (ILTF)), and Pete Sampras in 2003 (who unofficially retired after the 2002 final). For the first time in U.S. Open history, no American player was seeded in