Crowther played his first IRT match in May 1997, losing to Cliff Swain in three games,[REF] he wasn't full-time until the 2001-02 season, when he played the US Open for the first time, making it to the Round of 16, when he again lost to Swain [REF].
Crowther made the finals of an IRT event for the first time in September 2010 at the Cali Colombia Grand Slam event, losing to Kane Waselenchuk in four games.