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.
1973 Wimbledon Championships 1973 Wimbledon Championships The 1973 Wimbledon Championships was a tennis tournament that took place on the outdoor grass courts at the All England Lawn Tennis and Croquet Club in Wimbledon, London, United Kingdom. The tournament was scheduled to be held from Monday 25 June until Saturday 7 July 1973 but rain on the final Friday meant that the women's singles final was postponed until Saturday and the mixed doubles final was rescheduled to Sunday 8 July. It was the 87th staging of the Wimbledon Championships, and the third Grand Slam tennis event of 1973. Jan Kodeš and Billie Jean King