Martina Hingis (born 30 September 1980) is a Swiss professional tennis player who has been ranked world No. 1 in doubles by the WTA. She spent 209 weeks as the singles world No. 1 and won five Grand Slam singles titles, twelve Grand Slam women's doubles titles—including a calendar-year doubles Grand Slam in 1998—and five Grand Slam mixed doubles titles, totaling twenty-two major titles. Hingis won the WTA Championships twice in singles and three times in doubles and earned a silver medal in women's doubles at the 2016 Summer Olympics.
Hingis set several youngest-ever records before ligament injuries forced her to withdraw from professional tennis in 2002 at age 22, having won 40 singles and 36 doubles titles. She was the highest-paid female athlete worldwide from 1997 to 2001. After returning in 2006, she reached world No. 6 and won three singles titles, receiving the Laureus World Sports Award for Comeback of the Year. She retired in 2007 following injuries and a positive test for a cocaine metabolite, resulting in a two-year suspension. Hingis returned to professional tennis in 2013, later partnering with Sania Mirza to win three consecutive Grand Slam doubles titles from 2015 to 2016. She completed a mixed doubles career Grand Slam during her comeback and won a silver medal at the 2016 Olympics. Hingis was ranked the 22nd-greatest player of the previous 40 years by Tennis magazine in 2005, named one of the "30 Legends of Women's Tennis" by Time in 2011, inducted into the International Tennis Hall of Fame in 2013, and became its first Global Ambassador in 2015.
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