It was the first edition of the tournament in the Open Era of tennis and as such for the first time offered prize money, totaling $100,000.

Ashe was still registered as an amateur and therefore not entitled to the $14,000 first-prize money, which instead went to runner-up Tom Okker, while Wade earned $6,000.

[3] Frank Parker, at the age of 52, lost to eventual champion Arthur Ashe in the second round, and still holds the record for the oldest man to compete in a Grand Slam singles tournament.

Results often listed are those of the 1968 U.S. National Championships held a month earlier in Boston.

[4] Mary-Ann Eisel / Peter Curtis defeated Tory Fretz / Gerry Perry 6–4, 7–5