In 2003, Barnes turned professional. Shortly thereafter, he joined the
PGA Tour of Australasia. In 2009, Barnes became the first Australian to win on the
Omega China Tour, when he claimed victory in the Sofitel Zhongshan IGC Open. He went on to head that tour's Order of Merit that season. He then qualified for the
Japan Golf Tour by finishing first at that tour's
qualifying school. ==Amateur wins==