Billie Jean King is an American former World No. King won 39 Grand Slam titles, including 12 singles, 16 women's doubles, and 11 mixed doubles titles. King won the singles title at the inaugural WTA Tour Championships.
Eight Great U.S. Open Tennis Moments That Don’t Involve a Ball
Billie Jean King won a record 20 Wimbledon championships and helped win equal treatment for women in sports famously beating Bobby Riggs in 1973 in "The Battle of the sexes" after he said to her that men were superior athletes.
Did you know Elton John’s ‘Philadelphia Freedom’ is dedicated to Billie Jean King? At the time King coached a men’s tennis team called the “Philadelphia Freedoms,” making her one of the first women ever to coach men.