1966 U.S. National Championships – Men's singles

Unseeded Fred Stolle defeated John Newcombe 4–6, 12–10, 6–3, 6–4 in the final to win the men's singles tennis title at the 1966 U.S. National Championships. == Seeds == The seeded players are listed below. Fred Stolle is the champion; others show the round in which they were eliminated. Manuel Santana (semifinals) Roy Emerson (semifinals) Dennis Ralston (fourth round) Tony Roche (third round) Arthur Ashe (third round) Cliff Drysdale (third round) Clark Graebner (quarterfinals) Cliff Richey (second round) == Draw == === Key === Q = Qualifier WC = Wild card LL = Lucky loser r = Retired === Final eight === === Earlier rounds === ==== Section 1 ==== ==== Section 2 ==== ==== Section 3 ==== ==== Section 4 ==== ==== Section 5 ==== ==== Section 6 ==== ==== Section 7 ==== ==== Section 8 ==== == References == == External links == 1966 U.S. National Championships on ITFtennis.com Archived 2016-03-22 at the Wayback Machine, the source for this draw Association of Tennis Professionals (ATP) – 1966 U.S. Championships men's singles draw