The 1966 U.S. National Championships was a tennis tournament that took place on the outdoor grass courts at the West Side Tennis Club, Forest Hills in New York City, New York. The tournament ran from 1 September until 11 September. It was the 86th staging of the U.S. National Championships, and the fourth Grand Slam tennis event of 1966. Fred Stolle and Maria Bueno won the singles titles. US Open 1966: September 1–11, 1966 at West Side Tennis Club. Men's singles: Fred Stolle — 2nd major title. Women's singles: Maria Bueno — 7th major title. Wiki link