He also won the United Golf Association's National Negro Open six times, and the PGA Seniors' Championship in 1975.

[4] He often played at Philadelphia's Cobbs Creek Golf Course, a public facility that did not restrict players based on race, gender, or ethnicity.

Sifford won the United Golf Association's National Negro Open six times,[7] including consecutive wins from 1952 through 1956.

[6] Sifford later worked as a valet and golf instructor to the singer Billy Eckstine, who also financially supported his career when he was unable to find sponsorship.

[8] Sifford first attempted to qualify for a PGA Tour event at the 1952 Phoenix Open, using an invitation obtained by former World heavyweight boxing champion Joe Louis.

[3] He competed in the PGA Seniors' Championship, then the leading tournament for golfers over fifty, winning the event in 1975.

[16] He chose Hall of Fame member South African Gary Player to present him for induction.

On June 22, 2006, he received an honorary degree from the University of St Andrews as a Doctor of Laws.