Martina Hingis — Czechoslovakian Athlete born on September 30, 1980,
Martina Hingis is a Swiss professional tennis player who spent a total of 209 weeks as world No. 1. She has won five Grand Slam singles titles, eleven Grand Slam women's doubles titles, winning a calendar-year doubles Grand Slam in 1998, and four Grand Slam mixed doubles titles; for a combined total of twenty major titles. In addition, she has won the season-ending WTA Championships two times in singles and three times in doubles... (wikipedia)