Samantha Jane Stosur ( born 30 March 1984) is an Australian professional tennis player. She is a former world No. 1 in doubles, a ranking which she first achieved on 6 February 2006 and held for 61 consecutive weeks. Also a former top ten singles player, Stosur reached a career-high singles ranking of world No. 4 on 21 February 2011 and spent a total of 165 weeks ranked inside the top ten, between March 2010 and June 2013. Stosur was also the top-ranked Australian singles player for 452 consecutive weeks, from October 2008 to June 2017, and was ranked inside the top 25 for a period of nine straight years. She won a combined total of 40 career titles (9 in singles, 28 in doubles, and 3 in mixed doubles)—including 8 major titles, and amassed almost $20 million in prize money.
Stosur won a Grand Slam singles title at the 2011 US Open, where she beat Serena Williams in the final and became the first Australian woman since Evonne Goolagong Cawley in 1980 to win a Grand Slam singles tournament.
US Open Women 2011 WTA Tour Womens | WTA Finals 2006 WTA Tour Womens | WTA Finals 2005 WTA Tour Womens |