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
US Open (tennis) US$33.6 million, a record US$8.1 million increase from 2012. The champions of the 2013 US Open Series also had the opportunity to add US$2.6 million in bonus prize money, potentially bringing the total 2013 US Open purse to more than US$36 million. In 2014, the prize money was US$38.3 million. In 2015, the prize money was raised to US$42.3 million. Ranking points for the men (ATP) and women (WTA) have varied at the US Open through the years but presently singles players receive the following points: US Open (tennis) The United States Open Tennis Championships is a hard court tennis