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.
1988 Wimbledon Championships – Men's Singles 1988 Wimbledon Championships – Men's Singles Pat Cash was the defending champion but lost in the quarterfinals to Boris Becker. Stefan Edberg defeated Becker in the final, 4–6, 7–6, 6–4, 6–2 to win the Gentlemen's Singles tennis title at the 1988 Wimbledon Championships. Australian Open and French Open champion Mats Wilander came into the tournament on course to become the first man to win Grand Slam titles on hard court, clay and grass in the same calendar year, and attempted to become the first man to win Australian Open, French Open and Wimbledon titles since Rod Laver in 1969. After