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.
2016 US Open (tennis) at the end of the 2015 season. This tournament turned out to be the last one in the career of former No.1 player in the world and 2008 French Open women's singles champion Ana Ivanovic, who announced her retirement from professional tennis at the end of the year. The 2016 US Open was the 136th edition of the tournament and it was held at the USTA Billie Jean King National Tennis Center in Flushing Meadows–Corona Park of Queens in New York City, New York, United States. The tournament was an event run by the International Tennis Federation (ITF) and was