Arthur Ashe was the defending champion, but did not participate this year.
Stan Smith won the title, defeating Tom Okker 6–4, 6–3 in the final.
Seeds
Stan Smith (champion) Ilie Năstase (semifinals) Tom Okker (final) Marty Riessen (semifinals)
Draw
Finals
Top half
Section 1
Section 2
Bottom half
Section 3
Section 4
External links Main draw