The Tournament of Champions is an annual international squash championship held in New York City. In recent years, the event has been held at Grand Central Terminal, in a specially-constructed four-walled glass court in the Vanderbilt Hall. The tournament was first held in 1930. It was previously known as the US Professional Championships. The women's competition began in 2001. In 2022, the men's tournament has involved a main draw of 24 players, and the women's tournament has had a main draw of 24. The men's event is now part of the PSA World Series.