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.
Tennis performance timeline comparison (women) Tennis performance timeline comparison (women) This article presents in a tabular form the career tennis Grand Slam, World Hard Court Championships and Olympic singles results of every woman who has reached the singles final of at least one Grand Slam, World Hard Court Championships or Olympic tournament (OLY) during her career. The Grand Slam tournaments are the Australian Open (AUS), the French Open (FRA), Wimbledon (WIM), and the US Open (USA). This article is a compilation of the performance timelines that are included in the numerous Wikipedia articles covering individual tennis players, such as Helen Wills Moody, Billie Jean King,