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, 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.
Fred Stolle defeated John Newcombe 4âÂÂ6, 12âÂÂ10, 6âÂÂ3, 6âÂÂ4
Maria Bueno defeated Nancy Richey 6âÂÂ3, 6âÂÂ1
Roy Emerson / Fred Stolle defeated Clark Graebner / Dennis Ralston 6âÂÂ4, 6âÂÂ4, 6âÂÂ4
Maria Bueno / Nancy Richey defeated Rosie Casals / Billie Jean King 6âÂÂ3, 6âÂÂ4
Donna Floyd-Fales / Owen Davidson defeated Carol Hanks Aucamp / Ed Rubinoff 6âÂÂ1, 6âÂÂ3