title: 1966 U.S. National Championships (tennis)
text: # 1966 U.S. National Championships (tennis)
  
  The 1966 U.S. National Championships (now known as the US Open) was a tennis tournament that took place on the outdoor grass courts at the West Side Tennis Club, Forest Hills in New York City, United States. 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.
  
  ## Finals
  
  ### Men's singles
  
  Fred Stolle defeated John Newcombe 4–6, 12–10, 6–3, 6–4
  
  ### Women's singles
  
  Maria Bueno defeated Nancy Richey 6–3, 6–1
  
  ### Men's doubles
  
  Roy Emerson / Fred Stolle defeated Clark Graebner / Dennis Ralston 6–4, 6–4, 6–4
  
  ### Women's doubles
  
  Maria Bueno / Nancy Richey defeated Rosie Casals / Billie Jean King 6–3, 6–4
  
  ### Mixed doubles
  
  Donna Floyd-Fales / Owen Davidson defeated Carol Hanks Aucamp / Ed Rubinoff 6–1, 6–3
  
  