King joined a community college and married Larry King. Later, she played tennis again and spoke against sexism. She is famous for winning a competition called the Battle of the Sexes against Bobby Riggs in 1973. This was one of the first tennis matches when a man played against a woman. Winning this match really helped her speak about sexism. She used tennis and the Battle of the Sexes to prove that women are as good at sports as men. She was important in tennis and helped the voice of women. 