Frank Sedgman was a tennis champion.
Frank Sedgman defeated Vic Seixas 6 -- 4 , 6 -- 1 , 6 -- 1 in the final to win the Men 's Singles tennis title at the 1951 U.S. National Championships . Francis `` Frank '' Arthur Sedgman , AM ( born 29 October 1927 ) is a retired former World No. 1 amateur tennis champion . In 1951 he and Ken McGregor won the men 's doubles Grand Slam .