2009 US Open (tennis) a protected ranking: 2009 US Open (tennis) The 2009 US Open was a tennis tournament played on outdoor hard courts, held from August 31 to September 14, 2009 in the USTA Billie Jean King National Tennis Center at Flushing Meadows, New York City, United States. Originally, it was scheduled to end with the men's singles final match on Sunday, September 13, but due to rain the tournament was extended by one day. Like the Australian Open, the tournament featured night matches. Former World No. 1 and 2005 US Open women's singles champion, Kim Clijsters, competed in the 2009 US Open
US Open (tennis) women's singles final, which was pushed into primetime by rain delays. Since 1978, the US Open has been played on a hard court surface called Pro DecoTurf. It is a multi-layer cushioned surface and classified by the International Tennis Federation as medium-fast. Each August before the start of the tournament, the courts are resurfaced. Since 2005, all US Open and US Open Series tennis courts have been painted a shade of blue (trademarked as "U.S. Open Blue") inside the lines to make it easier for players, spectators, and television viewers to see the ball. The area outside the lines is