29 Oct 1987
Charles Williams beats Bobby Czyz via corner retirement 9/15
Light Heavyweight (175 lb)
Charles Williams becomes the IBF Light Heavyweight world champion
10 Jun 1988
Charles Williams beats Richard Caramanolis via knockout 11/15
21 Oct 1988
Charles Williams beats Rufino Angulo via knockout 3/12
25 Jun 1989
Charles Williams beats Bobby Czyz via corner retirement 10/12
7 Jan 1990
Charles Williams beats Frankie Swindell via corner retirement 8/12
12 Jan 1991
Charles Williams beats Mwehu Beya via unanimous decision 12/12
20 Apr 1991
Charles Williams beats James Kinchen via knockout 2/12
20 Jul 1991
Charles Williams beats Vincent Boulware via knockout 3/12
19 Oct 1991
Charles Williams beats Freddie Delgado via knockout 2/12
20 Mar 1993
Henry Maske beats Charles Williams via unanimous decision 12/12
29 Jul 1994
James Toney beats Charles Williams via knockout 12/12
Super Middleweight (168 lb)