Guillermo Vilas defeated defending champion Jimmy Connors in the final, 2–6, 6–3, 7–6(7–4), 6–0 to win the men's singles tennis title at the 1977 US Open.[1] It was his first US Open title and second major title overall.
This was the third and last edition of the US Open to be played on clay courts; it switched the following year to hard courts.
The competition was played best-of-three sets in the first four rounds, followed by best-of-five sets from the quarterfinals onward.
The seeded players are listed below. Guillermo Vilas is the champion; others show the round in which they were eliminated.