1966 Wimbledon Championships – Women's Singles Smith "(Semifinals)" 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
Billie Jean King victory ended Court's 12-tournament and 59-match winning streaks, with King saving at least three match points when down 5–4 (40–0) in the second set. Indianapolis was followed by five tournaments that King failed to win (Detroit, Boston, Chicago, Jacksonville, and the inaugural Family Circle Cup in Hilton Head, South Carolina). King lost to Court in two of those tournaments. After deciding not to defend her French Open singles title, King won four consecutive tournaments, including her fifth Wimbledon singles title when she defeated Kerry Melville Reid in the quarterfinals, Evonne Goolagong in the semifinals on her eighth match point, and