Billie Jean King New York City and Chicago with Kloss, her life partner. 18 finals (12 titles, 6 runner-ups) Singles Billie Jean King Billie Jean King ("née" Moffitt; born November 22, 1943) is an American former World No. 1 professional tennis player. King won 39 Grand Slam titles: 12 in singles, 16 in women's doubles, and 11 in mixed doubles. She won the singles title at the inaugural WTA Tour Championships. She often represented the United States in the Federation Cup and the Wightman Cup. She was a member of the victorious United States team in seven Federation Cups and nine Wightman Cups.
1974 US Open – Women's Singles 1974 US Open – Women's Singles Reigning champion Margaret Court did not defend her title. Billie Jean King defeated Evonne Goolagong 3–6, 6–3, 7–5 in the final to win the women's singles tennis title at the 1974 US Open. With her loss, Goolagong missed her chance to complete the career Grand Slam. Goolagong would snap Chris Evert's winning streak, at 55 matches in the semi-finals. This was an Open Era record for 10 years until 1984, when it was broken by Martina Navratilova. The seeded players are listed below. Billie Jean King is the champion; others show the round in