Martina Hingis is one of the most successful and celebrated tennis players of all time. She has won five Grand Slam singles titles, nine Grand Slam women's doubles titles, and one Grand Slam mixed doubles title. She was the youngest
Martina Hingis is a Swiss former professional tennis player. She was ranked as the world No. 1 in women's singles by the Women's Tennis Association (WTA) for 209 weeks and as the world No. 1 in women's doubles for 90 weeks, holding both No. 1 rankings simultaneously for 29 weeks. Hingis won 43 WTA Tour-level singles titles and 64 doubles titles, including a total of 25 major titles: five in singles, 13 in women's doubles, and seven in mixed doubles. In addition, she won the season-ending Tour Finals two times in singles and three in doubles, an Olympic silver medal in doubles, and a record 17 Tier I singles titles.