The latest news and top stories on Billie Jean King. Known for her historic 1973 'Battle of the Sexes' victory, she is a former world No. 1 tennis player with 39 Grand Slam titles. She has a background in pioneering gender equality and social justice, co-founding the Women's Tennis Association and Women's Sports Foundation. Her work involves advocating for equal pay and LGBTQ+ rights, establishing the Billie Jean King Foundation, and holding ownership in sports teams. Key accomplishments include receiving the Presidential Medal of Freedom and having the USTA National Tennis Center and Fed Cup named in her honour.