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.
2008 US Open (tennis) 2008 US Open (tennis) The 2008 US Open was a tennis tournament played on outdoor hard courts. It was the 128th edition of the US Open, and the fourth and final Grand Slam event of the year. It took place at the USTA Billie Jean King National Tennis Center in Flushing Meadows, New York City, United States, from August 25 through September 8, 2008. The men's defending champion, Roger Federer, won the US Open for a fifth consecutive time. Justine Henin, the women's defending champion, did not return to defend her title due to her retirement from tennis, for personal