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
1970 Wimbledon Championships – Women's Singles the Calendar Grand Slam in the Open Era. Margaret Court (Champion) 1970 Wimbledon Championships – Women's Singles Ann Jones was the defending champion, but she did not defend her title as she had retired from Grand Slam singles competition. Margaret Court won the title, defeating Billie Jean King in the final, 14–12, 11–9. This was Court's third Wimbledon title, her third Grand Slam of the year, her fourth consecutive Grand Slam title and her nineteenth Grand Slam overall. Court became the first woman to complete the Career Grand Slam in the Open Era. She would win the remaining Grand Slam