The 1965 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 12 September. It was the 85th staging of the U.S. National Championships, and the fourth Grand Slam tennis event of 1965. US Open 1965: September 1–12, 1965 at West Side Tennis Club. Men's singles: Manuel Santana — 3rd major title. Women's singles: Margaret Smith — 12th major title. Wiki link