Martina Hingis (born September 30, 1980 in Košice, Czechoslovakia) is a retired professional tennis player who spent a total of 209 weeks as World No. 1. She won five Grand Slam singles titles (three Australian Open, one Wimbledon, and one US Open). She also won nine Grand Slam women\s doubles titles, winning a calendar year doubles Grand Slam in 1998, and one Grand Slam mixed doubles title. Hingis set a series of \"youngest-ever\" records before ligament injuries in both ankles forced her to withdraw temporarily from professional tennis in 2002 at the age of 22. After several surgeries and long recuperations, Hingis returned to the WTA tour in 2006. She then climbed to World No. 6 and won three singles titles. On November 1, 2007,Hingis announced her retirement from tennis while admitting she had tested positive for cocaine during Wimbledon in 2007. She denied using the
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