Martina Hingis born September 30, 1980 in Košice, Slovakia is a former World No. 1 professional tennis player. She won five Grand Slam singles titles (three Australian Open, one Wimbledon, and one U.S. Open. She also won nine Grand Slam women's doubles titles, winning a calendar year Grand Slam in 1998, and one Grand Slam mixed doubles title. She spent a total of 209 weeks as World No. 1.
