Martina Hingis
Martina Hingis held the no.1 spot in the world for 209 weeks and has taken home 5 Grand Slam singles titles and 11 Grand Slam women’s doubles titles. Her records for “youngest-ever” include youngest-ever Grand Slam champion at 15 and youngest-ever world no. 1 at 16.
Breaking Records. Hingis
In 2002, Hingis had to take a break from tennis due to injuries but came back in 2006 to win another three singles titles before retiring in 2007. Today, the Swiss beauty is playing again in doubles with Sania Mirza as her partner, with whom she has already won two Grand Slam titles.