Judge, as an amateur played in a pre-qualifying match for the 2000 World Snooker Championship losing 5–3 to Atthasit Mahitthi. In 2011, Judge attempted the qualify for the World Snooker Tour via the Q School but was unsuccessful. A year later, Judge won a place on the professional tour for the 2012–13 and 2013–14 seasons after winning the 2012 Oceania Championship, 6–2 over James Mifsud. He had two wins, one against Sam Baird in the Last 96 stage of the 2012 Shanghai Masters qualifiers and the other against Alan McManus in the 2012 Gdynia Open Last 128 stage. He last played in the qualifiers for the 2013 German Masters in November 2012 and resigned from the tour in November 2013.