What are the rules of Squash Doubles? US Squash Updated April 22, 2020 21:53 What are the rules of Squash Doubles? The rules of hardball squash doubles as well as singles and softball doubles can be found here: https://www.ussquash.com/officiate/rules-of-squash/ Related articles Am I allowed to use any materials when taking the referee exam? Am I allowed to take the referee exam more than once? Complete Singles Rules What are the court specifications of an international singles court?