1966 Wimbledon Championships – Women's Singles 1966 Wimbledon Championships – Women's Singles Margaret Smith was the defending champion, but lost in the semifinals to Billie Jean King. King defeated Maria Bueno in the final, 6–3, 3–6, 6–1 to win the Ladies' Singles tennis title at the 1966 Wimbledon Championships. The second round match in which Gail Sherriff beat her sister Carol was the second match between sisters in the ladies' singles draw at Wimbledon, the first being in the 1884 Wimbledon Championships when Maud Watson beat Lillian. The next Wimbledon match between sisters in the singles draw was in 2000 between Serena and Venus Williams. Margaret
Billie Jean King was 20 and Larry 19 years old and married on September 17, 1965 in Long Beach. King's triumph at the French Open in 1972 made her only the fifth woman in tennis history to win the singles titles at all four Grand Slam events, a "career Grand Slam." She also won a career Grand Slam in mixed doubles. In women's doubles, only the Australian Open eluded her. King won a record 20 career titles at Wimbledon – six in singles, 10 in women's doubles, and four in mixed doubles. King played 51 Grand Slam singles events from 1959 through 1983,