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
Owen Davidson Owen Davidson Owen Keir Davidson (born 4 October 1943) is a former professional tennis player of the 1960s and 1970s. Partnering Billie Jean King, Davidson won eight grand slam mixed doubles titles. In 1967 he won a calendar year slam for mixed doubles, when he won the Australian Championships (with Lesley Turner Bowrey), and the French Championships, Wimbledon and the US Championships (with King). Davidson became the first player to win a match in the open era of tennis when he defeated John Clifton in the first round of the British Hard Court Championships in Bournemouth played in April 1968.