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
2018 US Open – Women's Singles final as an example of double standards between men and women in tennis. She alluded to her actions being part of her role to stand up for women's rights and equality, and vowed to continue, a statement which drew both isolated applause and murmurs from the attendees. The on-court incidents of the second set polarised opinions among current and retired tennis players worldwide. Chris Evert (whose Open Era record of 6 US Open women's singles titles Williams would have broken had Williams won), while commentating the match for ESPN, claimed that while first and second code violations were common for similar