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
1971 US Open (tennis) / Françoise Dürr, 6–3, 6–3 Billie Jean King / Owen Davidson defeated Betty Stöve / Robert Maud, 6–3, 7–5 1971 US Open (tennis) The 1971 US Open was a tennis tournament that took place on the outdoor grass courts at the Forest Hills, Queens in New York City, USA. The tournament ran from 1 September until 12 September. It was the 91st staging of the US Open, and the fourth Grand Slam tennis event of 1971. Stan Smith defeated Jan Kodeš, 3–6, 6–3, 6–2, 7–6 Billie Jean King defeated Rosemary Casals, 6–4, 7–6 John Newcombe / Roger Taylor defeated Stan