Home favourite Mardan Mamat fired a fourth-round 71 to win the Singapore Masters by a single stroke from England's Nick Dougherty on Sunday.
GB&Ire unless stated
-12 M Mamat (Sin)
-11 N Dougherty
-10 C Wi (Kor), R Fisher
-9 J Lomas, C Nirat (Tha)
-7 A Butterfield, J Randhawa (Ind)
Mamat, 38, finished on 12-under 276 at the co-sanctioned European and Asian Tour event at the Laguna Golf Club.
Defending champion Dougherty, who also shot 71, finished alone in second with his compatriot Ross Fisher and Korea's Charlie Wi one shot back in third.
Another Englishman, Jonathan Lomas, was tied for fifth after a storming 66.
Dougherty's charge came too late and the he will rue a host of missed early chances as his three birdies in the last four holes were not enough to force a play-off.
Mamat, the first Singaporean winner on the European Tour, dedicated his win to his countrymen and will be rewarded with a two-year exemption in Europe.
"I made a good start with those two birdies (at one and two) and it gave me a bit more relaxation and focus," said Mamat.
"Right up to the finish Nick was trying to push me very hard, but there's only one winner and that's me. I have the opportunity to play in Europe now and I'm sure I will."
Those back-to-back birdies immediately restored Mamat's three-shot lead and that seemed to deflate Dougherty.
The 23-year-old buckled on the front nine, shooting three bogeys and no birdies and giving himself a mountain to climb.
One opportunity for eagle went begging at the 15th and by that stage the holes were running out to close the gap to the ever-solid Mamat.
Mamat did hit a wayward tee shot at the last, but a kind bounce prevented it from going out of bounds.
It left Dougherty, one of the hot favourites for victory in a relatively weak field, still looking for win number two on the European Tour.
He said: "I've been threatening to play that badly all week and it just went horribly wrong for me on the front nine. I fought back well, but it was not enough in the end.
"Mardan did himself proud today. It is tough to hold a bunch of us off and he did really well."
Meanwhile, Fisher should have been a serious contender for the win on the last day but suffered a strange front nine.
A double bogey at the second was followed up with three straight birdies, a bogey and then a second double bogey for an outward 38.
Three birdies in his last nine holes lifted him to 10 under and into a share of third with Wi.