Terry Pilkadaris has beaten American Clay Devers on the second hole of a sudden death playoff to claim the Asian PGA's Sanya Open and complete his Chinese double.

Australian Pilkadaris, who won last week's inaugural Shanghai Open, took a three stroke lead into the final round and finished with two-under-par 70.

Devers shot a seven-under-par 65 to tie at 18-under and force the playoff at the Yalong Bay Golf Club on southern Hainan island.

"It's mind-blowing, unbelievable really," Pilkadaris said of the win, adding that having his wife and caddy Monique with him made the achievement even sweeter.

"She wasn't with me when I won in Shanghai so I was more determined to get over the line today with her," he said. "She's like my rock and I'm glad we did it."

Devers said that while he "played good," he wasn't happy with his two drive in the playoff.

"I left myself yardages that I'm not used to," he said. "After finding the bunker on the second play off hole, I took out an extra club after seeing Terry hit it so close. He just gets it on the fairway and gets it on the green."

China's Liang Wenchong could have made it a three-way play off, but missed a five metre birdie attempt at the last hole in his round of 67. He shared third place with Thai veteran Boonchu Ruangkit, who played his second straight top-three performance.

In the closing stretch, Boonchu missed birdie chances from one metre and three metres on the 16th and 17th holes. He rolled in a birdie on the 18th to tie with Liang.

Pilkadaris nearly wrapped it up on the first hole of sudden-death but his six metre attempt hit the edge of the cup. He also struck a shot in the second extra hole from 52 metres that nearly found the bottom of the cup.

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