In 2007, he was on the gold medal team at the 2007 Summer Universiade and took a silver in the individual event at the 2007 Southeast Asian Games. Aphibarnrat turned professional in 2008 and began playing on the Asian Tour and the Japan Golf Tour in 2009. Aphibarnrat"s first victory on the European Tour was at the Maybank Malaysian Open in March 2013.
In the event, which shortened to 54 holes due to thunderstorms, Aphibarnrat defeated Edoardo Molinari by one stroke.
Having led the tournament at the 54 hole stage, he trailed late in the back nine, but eagled the 17th hole and then missed a birdie putt on the 18th for the outright victory. He would go on to birdie the first extra hole to claim victory.
Aphibarnrat became only the second player from Thailand, after Thongchai Jaidee, to record multiple European Tour wins. 2003 Junior World Golf Championships (Boys 13-14) European Tour wins (3).