An empty squash court with bright red boundary lines on a stark white wall, ready for a fast-paced game. Did you know that squash success is estimated to be 95% mental and only 5% physical? Mental toughness sets apart good squash players from great ones. Your mental strength determines whether you crumble or thrive as pressure builds and muscles tire. Top athletes in all sports feel nervous and anxious during competition . The way players handle this pressure can substantiall