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
1986 US Open – Men's Singles 1986 US Open – Men's Singles Ivan Lendl was the defending champion and retained his title, defeating Miloslav Mečíř 6–4, 6–2, 6–0 in the final to win the Men's Singles tennis title at the 1986 US Open. This tournament was notable for being the first Grand Slam in which Andre Agassi competed in the main draw. He would go on to play an Open Era record 21 consecutive US Open tournaments, until his retirement in 2006. This was also the first US Open in history where no American reached the semifinals. The seeded players are listed below. Ivan Lendl is