Wade Ormsby overcame a triple bogey on Sunday to card a 1-under 71 and hang on for a 1-stroke victory at the Panasonic Open India.
He finished the wire-to-wire victory at 9-under-par 279 to claim his first Asian Tour title.
"It means so much. I've played tournaments worldwide but to finally get a win in Asia is fantastic," said Ormsby.
After the Australian birdied the second hole, he stumbled to a triple-bogey seven at the third.
But he quickly recovered with birdies at the fifth, seventh and eighth before dropping another shot with a bogey at the 12th.
Ormsby then poured in the decisive 18-foot birdie at the 17th and closed with a par at the last to hold on for the win.
Boonchu Ruangkit, who was trying to become the oldest winner on the Asian Tour at 56 years old, carded a 3-under 69 during his final round to finish in second place at 8-under for the tournament.
Lam Chih Bing (72) took third at 7-under, while Shiv Kapur (71) was in fourth at 6-under.