Serena Jameka Williams (born September 26, 1981) is a professional American tennis player. The Women's Tennis Association has ranked her World No. 1 in singles on five separate occasions. She became the World No. 1 for the first time on July 8, 2002, and regained this ranking for the fifth time on November 2, 2009. She is the only female player to have won over $40 million in prize money. Already regarded as one of the greatest tennis players of all time, her 30 Grand Slam titles ties her for eighth on the all-time list: 15 in singles, 13 in women's doubles, and 2 in mixed doubles. She is the most recent player, male or female, to have held all four Grand Slam singles titles simultaneously ('02'03) and only the fifth woman ever to do so. Her total of 15 Grand Slam singles titles is sixth on the all-time list, and fourth in the open era, behind Steffi Graf (22 titles) and Chris Evert and Martina Navratilova (18 titles each).
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