2009 US Open – Women's Singles 2009 US Open – Women's Singles Serena Williams was the defending champion, but was defeated in the semifinals by the eventual champion Kim Clijsters. Clijsters defeated first time Grand Slam finalist Caroline Wozniacki in the final to win her second US Open title. Clijsters became the first unseeded player and wild card to win the tournament, and the first mother to win a major since Evonne Goolagong in 1980. Following her win, she made 19th in the rankings. This was the final Grand Slam appearance for former two-time Grand Slam champion, Amélie Mauresmo, who lost to Aleksandra Wozniak in the
2013 US Open (tennis) 2013 US Open (tennis) The 2013 US Open was a tennis tournament played on outdoor hard courts. It was the 133rd edition of the US Open, the fourth and final Grand Slam event of the year. It took place at the USTA Billie Jean King National Tennis Center, and ran from August 26 to September 9. Andy Murray and Serena Williams were the defending champions in the singles events. Williams successfully defended her title, but Murray was defeated in the quarterfinals by Stanislas Wawrinka. Rafael Nadal won the men's singles. The 2013 US Open was the 133rd edition of the