States Open Championship (hardball, 1954–1965) Men's champions by country Women's championship United States Open Championship (softball, 1966–present) Women's champions by country See also North American Open U.S. Squash US Junior Open squash championship British Open Squash World Open Note 1 The 2001 United States Open was played in January 2002 as the Memorial Open in honor of those who died in the September 11 2001 attacks. The event was scheduled to take place in September 2001, but was postponed following the attacks. References External links U.S. Open Squash website USsquash.com tournament list Historical information at squashtalk.com Squash tournaments in the United States Squash in the United States Squash in Pennsylvania