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.
USTA Billie Jean King National Tennis Center USTA Billie Jean King National Tennis Center The USTA Billie Jean King National Tennis Center is an American stadium complex in Flushing Meadows–Corona Park, Queens, New York City. It has been the home of the US Open Grand Slam tennis tournament, played every year in August and September, since 1978 and is operated by the United States Tennis Association (USTA). The facility has 22 courts inside its and 11 in the adjoining park. The complex's three stadiums are among the largest tennis stadiums in the world, with Arthur Ashe Stadium topping the global list with a listed capacity of 23,200.