Defending champion Louis Oosthuizen retained his title at the Volvo Golf Champions event in his native South Africa on Sunday after shooting a final-round 68 for a 12-under-par total.
Oosthuizen started the day in fourth place, two shots adrift of overnight leader Tommy Fleetwood, but an eagle at the eighth at the Durban Country Club got him into contention.
He then birdied four of the last six holes to finish a shot clear of compatriot Branden Grace and two ahead of Dutchman Joost Luiten and Fleetwood.
The Englishman was undone by three bogeys in five holes on the front nine.
Oosthuizen, the 2010 British Open champion, has now won on the European Tour in five successive seasons.