In July 2013, Hingis came out of retirement to play the tournaments of the North American hard-court season alongside Daniela Hantuchová.
During her doubles comeback, Hingis won four Grand Slam women's doubles tournaments, six Grand Slam mixed doubles tournaments, and a silver medal partnering her compatriot Timea Bacsinszky at the 2016 Summer Olympics in Rio de Janeiro.
Hingis bounced back to reach her third consecutive US Open final, where she lost to 17-year-old Serena Williams.
Hingis won a total of seven singles titles that year and reclaimed the No. She also reached the final of the WTA Tour Championships, where she lost to Lindsay Davenport.
1 ranking in both singles and doubles simultaneously.
1 ranking because of nine tournament championships, including the WTA Tour Championships where she won the singles and doubles titles.Martina Hingis (born 30 September 1980) is a Swiss former professional tennis player. In addition, she has won the season-ending WTA Finals two times in singles and three times in doubles, and an Olympic silver medal.She spent a total of 209 weeks as the singles world No. Hingis set a series of "youngest-ever" records during the 1990s, including youngest-ever Grand Slam champion and youngest-ever world No. Before ligament injuries in both ankles forced her to withdraw temporarily from professional tennis in 2002, at the age of 22, she had won 40 singles titles and 36 doubles titles and, according to Forbes, was the highest-paid female athlete in the world for five consecutive years, 1997 to 2001. 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.After several surgeries and long recoveries, Hingis returned to the WTA tour in 2006, climbing to world No.