GS Caltex
Suk broke into the upper ranks of the sport at a relatively advanced age. He won the China Amateur in 2000, 2001 and 2002, and in the last of those years he also won the Ik Sam Open, a professional event in South Korea, as an amateur. He turned professional in 2003. In 2006 he won the Asian Tour's GS Caltex Maekyung Open in his home country.