It’s one of the very first things you learn when you begin playing squash. After figuring out about all the confusing lines on the court, you are told to start a point by serving with a foot inside one of the red squares (or red semi-circle in hardball doubles and singles). Although foot-faulting is perhaps the least-called infraction in squash, it is probably the most violated of all the rules, even on the professional level. The rule states that the server while striking the ball must have at least one foot entirely inside the service box, on the ground, with no part of that foot touching any part of the line. Foot-faulting results in the loss of serve and a point for the opponent (or a first-serve fault in the case of hardball doubles or singles). Foot faults should be called by referees, as players can take advantage of the extra space accrued in a foot fault to hit a better serve.