South African Louis Oosthuizen beat Scotland's Stephen Gallacher by three shots to claim the Malaysian Open on Sunday.
Oosthuizen, 29, bounced back from last week's play-off defeat to Bubba Watson at the Masters in Augusta, finishing 17 under par at Kuala Lumpur Golf and Country Club.
He posted a final-round four-under 68, after finishing his rain-affected third round with a 69.
Gallacher carded a battling 70 for second place while American David Lipsky was joint third and two shots back after a 70 alongside Danny Willett of England (71) and Spaniard Rafael Cabrera-Bello (71).
It is Oosthuizen's second European Tour victory of the season, following his win at the Africa Open , and his fifth in total.
The 2010 Open Champion had to play 26 holes on the final day after storms on Friday and Saturday had disrupted the schedule.
Oosthuizen played the last eight holes of his third round in level par, and went into the final round with a one-shot lead over Gallacher.
The South African turned in a two-under-par 34, and sank a 10-foot birdie putt at the 13th to give him breathing space over his 37-year-old opponent, before closing out the win with ease.
Spain's Rafael Cabrera-Bello closed with a 71 for a 12-under total to share third with England's Danny Willett and American David Lipsky.
Oosthuizen had been struggling with the jetlag of travelling across 12 time zones from Augusta to Malaysia to make the event, but surprised himself with the speed of his recovery.
"I thought I was going to be a lot more tired," he said.
"I played well. I had a good week last week and I am looking forward to the US Open."
Gallacher, a one-time winner on the European Tour, rued signing for a higher score for his third round as he eventually settled for his second runner-up finish of the season.
"I went over the card, thought I signed it properly. Signed for a 69 when I shot a 68," said the Scotsman.
"I thought I was tied for the lead, and then I was one behind but luckily it didn't affect me that much. It's one of those things that you learn," said the 37-year-old, who got to within one shot of the champion on the back nine.
"Phenomenal performance (by Oosthuizen) considering coming off from last week.
"I thought he may get tired today and obviously he didn't. He's a fit guy. Fair play to him. He played great. He was on form."
Scott Hend was the best of the Australians, finishing nine shots off the pace on eight-under in equal 11th position.