Williams and Amherst first met in
squash in 1940.
Williams leads the series 51-21 through 2011-12.
| Year | Winner | Location (W/A) |
Score | Tournament |
| 2012 | Williams | N | 9-0 | |
| 2011 | Williams | A | 7-3 | |
| 2010 | Williams | W | 9-0 | |
| 2009 | Williams | N | 9-0 | |
| 2008 | Williams | W | 9-0 | |
| 2007 | Williams | W | 9-0 | |
| 2006 | Williams | N | 7-2 | |
| 2005 | Williams | N | 9-0 | NISRA |
| 2005 | Williams | A | 9-0 | |
| 2004 | Williams | W | 9-0 | |
| 2003 | Williams | A | 9-0 | |
| 2002 | Williams | A | 8-1 | |
| 2001 | Williams | W | 9-0 | |
| 2000 | Williams | A | 9-0 | |
| 1999 | Williams | N | 5-4 | NISRA |
| 1999 | Amherst | A | 5-4 | |
| 1998 | Amherst | W | 8-1 | |
| 1997 | Amherst | A | 8-1 | |
| 1996 | Amherst | N | 5-4 | |
| 1996 | Amherst | W | 6-3 | |
| 1995 | Amherst | A | 5-4 | |
| 1994 | Williams | W | 5-4 | |
| 1993 | Williams | N | 5-4 | |
| 1992 | Amherst | W | 5-4 | |
| 1991 | Williams | A | 6-3 | |
| 1990 | Williams | W | 5-4 | |
| 1989 | Williams | A | 7-2 | |
| 1988 | Williams | W | 9-0 | |
| 1987 | Williams | A | 5-4 | |
| 1986 | Williams | W | 8-1 | |
| 1985 | Williams | A | 9-0 | |
| 1984 | Williams | W | 9-0 | |
| 1983 | Williams | A | 8-1 | |
| 1982 | Williams | W | 8-1 | |
| 1981 | Williams | A | 5-4 | |
| 1980 | Amherst | W | 6-3 | |
| 1979 | Williams | A | 8-1 | |
| 1978 | Williams | W | 8-1 | |
| 1977 | Williams | A | 9-0 | |
| 1976 | Williams | W | 9-0 | |
| 1975 | Williams | A | 7-2 | |
| 1974 | Amherst | W | 5-4 | |
| 1973 | Amherst | A | 8-1 | |
| 1972 | Amherst | W | 5-4 | |
| 1971 | Amherst | A | 7-2 | |
| 1970 |
Williams |
W |
8-1 |
|
| 1969 |
Williams |
A |
9-0 |
|
| 1968 |
Williams |
W |
6-3 |
|
| 1967 |
Amherst |
A |
8-1 |
|
| 1966 |
Amherst |
W |
6-3 |
|
| 1965 |
Williams |
A |
6-3 |
|
| 1964 |
Williams |
W |
8-1 |
|
| 1963 |
Wiliams |
A |
8-1 |
|
| 1962 |
Williams |
W |
7-2 |
|
| 1961 |
Williams |
A |
8-1 |
|
| 1960 |
Williams |
W |
8-1 |
|
| 1959 |
Amherst |
A |
5-4 |
|
| 1958 |
Williams |
W |
8-1 |
|
| 1957 |
Williams |
A |
7-2 |
|
| 1956 |
Williams |
W |
9-0 |
|
| 1955 |
Amherst |
A |
6-3 |
|
| 1954 |
Williams |
W |
6-3 |
|
| 1953 |
Williams |
A |
5-4 |
|
| 1952 |
Williams |
W |
7-2 |
|
| 1951 |
Williams |
A |
8-1 |
|
| 1950 |
Amherst |
W |
5-4 |
|
| 1949 |
Amherst |
A |
5-4 |
|
| 1948 |
Williams |
W |
8-1 |
|
| 1947 |
Williams |
A |
7-2 |
|
| 1942 |
Williams |
W |
8-1 |
|
| 1941 |
Amherst |
A |
6-3 |
|
| 1940 |
Amherst |
W |
5-4 |
