Martina Hingis (born 30 September 1980) is a Swiss former professional tennis player who spent a total of 209 weeks as the singles world No. 1 and 90 weeks as doubles world No. 1, holding both No. 1 rankings simultaneously for 29 weeks. She has won five Grand Slam singles titles, thirteen Grand Slam women's doubles titles, winning a calendar-year doubles Grand Slam in 1998, and seven Grand Slam mixed doubles titles; for a combined total of twenty-five major titles. In addition, she has won the season-ending WTA Finals two times in singles and three times in doubles, and an Olympic silver medal. Color photo, signed.|||Length: 11 in (27.9 cm) Width: 8 1/2 in (21.6 cm)|著名女子網球冠軍Martina Hingis照片簽名