BANGKOK, 18 Jun 2015 (AFP) - The Thai golfer, one of a host of local players vying for the $300,000 Asian Tour title, dropped a shot at the first but recovered with the string of birdies to end the day at five under par, one shot ahead of Sri Lanka's Mithun Perera.
"I am happy to be in the lead but I don't want to get ahead of myself. I just want to enjoy my game," Attaphon said according to an Asian Tour press release.
"The fairways are narrow and the windy condition makes it even tougher to score out there. It's hard to address the distance so if you can gauge the wind, you should play well here," he added.
A host of players were a further shot back on 68 for the night, including India's Chiragh Kumar and Thai duo Settee Prakongvech and Pannakorn Uthaipas.
Canada's Richard T. Lee led the pack on 69.
Leading first round scores:
66 - Atthaphon Sriboonkaew (THA)
67 - Mithun Perera (SRI)
68 - Chiragh Kumar (IND), Wang Jeung-Hun (KOR), Chinnarat Phadungsil (THA), Akinori Tani (JPN), Settee Prakongvech (THA), Pannakorn Uthaipas (THA), Chinnarat Phadungsil (THA), Niclas Johansson (SWE)
69 - Richard T. Lee (CAN)