William Davis first started playing tennis in high school.  He was awarded a tennis scholarship to the University of Tennessee-Knoxville and as the No. 1 singles and doubles player, led the Volunteers to the Southeastern Conference tide in 1951.  He enlisted in the Air Force in 1953 and won the Southeastern Conference Air Force tournament.  He has been nationally ranked in the top five nearly every year in singles and doubles since 1981.  In 1976, William won his first National Senior tournament and in 1979, teamed with Hugh Stewart to win the National Hard Court doubles title.

He has won a total of 43 gold balls for winning 43 national tournaments and was a finalist in many other national tournaments, earning several silver balls.  He has been selected every year since 1987 to represent the U.S. in Senior Cup matches.  William and his wife Lynne have five children and all are active in tennis.  In 1992, he purchased Twin Lakes Racquet Club in Seminole, Oklahoma, where he coaches several junior tennis players, including many state champions.