1970 U.S. Pro Tennis Championships – Singles

The 1970 U.S. Pro Tennis Championships was a men's tennis tournament played on outdoor hard courts at the Longwood Cricket Club in Boston, USA. It was classified as a Glass 1 category tournament and was part of the 1970 Grand Prix circuit. It was the 43rd edition of the tournament and was held from August 3 through August 9, 1970. Fourth-seeded Tony Roche won the singles title and the accompanying $12,000 first prize money.

Seeds
Champion seeds are indicated in bold text while text in italics indicates the round in which those seeds were eliminated. • #🇦🇺 Rod Laver (final)

• #🇦🇺 Tony Roche (champion)

• #🇦🇺 John Newcombe (first round)

• #🇦🇺 Ken Rosewall (second round)

• #🇺🇸 Cliff Richey (first round)

• #🇦🇺 Roy Emerson (semifinals)

• #🇺🇸 Arthur Ashe (quarterfinals)

• #🇪🇸 Andrés Gimeno (second round)