Kim Clijsters, born on June 8, 1983, has won forty-one WTA singles titles in her career, including four Grand Slam tournaments (three US Open and one Australian Open) and three year-end Masters.
She became number one in the world in August 2003 and she won the Fed Cup with Belgium in 2001. She is an excellent doubles player, she has also reached the top of the standings in this specialty. And she won eleven WTA titles, including two Grand Slam tournaments, the Roland Garros and Wimbledon, both with Ai Sugiyama. For all these reasons she is considered, together with Justine Henin, one of the strongest Belgian tennis players ever.
She retired from competition for the first time in May 2007 due to numerous injuries and, after her return in 2009 which saw her win three Grand Slam titles, she announces her second retirement in 2012, at the age of 29 years old. In September 2019 she declared that she wanted to return to the circuit starting from the following season, eight years later, playing the Dubai Tennis Championships 2020 as her first tournament. In April 2022 she announced her third and definitive withdrawal from official competitions.
Throughout her career, Kim Clijsters has amassed over $24 million in prize money from the Women's Tennis Association. At the time of her second retirement, the Belgian was third in the all-time female player earnings list, behind the two Williams sisters. In 2017 she was inducted into the prestigious International Tennis Hall of Fame, while since 2022 she has been its honorary president.