Billie Jean King the first of her six singles titles at Wimbledon and the first of twelve Grand Slam singles titles overall, defeating Court in the semifinals 6–3, 6–3 and Maria Bueno in the final. King credited her semifinal victory to her forehand down the line, a new shot in her repertoire. She also said that the strategy for playing Court is, "Simple. Just chip the ball back at her feet." At the U.S. Championships, an ill King was upset by Kerry Melville Reid in the second round. King successfully defended her title at the South African Tennis Championships in 1967, defeating Maria
Billie Jean King during this period and was the runner-up in 36 other tournaments. In 1966, King defeated Dorothy "Dodo" Cheney (then 49 years old) for the first time in five career matches, winning their semifinal at the Southern California Championships 6–0, 6–3. King also ended her nine match losing streak to Margaret Court by defeating her in the final of the South African Tennis Championships. At the Wightman Cup just before Wimbledon, King defeated Virginia Wade and Ann Haydon-Jones. After thirteen unsuccessful attempts to win a Grand Slam singles title from 1959 through 1965, King at the age of 22 finally won