Martina Hingis became the youngest women's world No. 1 on March 31, 1997. The milestone is presented as a major moment in WTA history. It remains a key ranking achievement because of her age when she reached the top spot.
Martina Hingis became the youngest women's world No. 1 on March 31, 1997. The milestone is presented as a major moment in WTA history. It remains a key ranking achievement because of her age when she reached the top spot.