Justin Rose last year won the Indonesian Masters Indonesian Masters, overall victorious classification – 20 P Saxansin (Tha); -17 J Janewattananond (Tha); -15 P Pittayarat (Tha) -14 H Stenson (Swe). Selected others: -11 S Kapur (Ind), -6 J Rose, Catlin (US), S Jeffress (Aus); -3 S Lewton (Eng).
Justin Rose missed a return to the top of the world rankings with one blow after hitting the worst lap of his weekend at the Indonesian Masters.
The Englishman headed the last day he knew that a top-12 finish at Royale Jakarta Golf Club would overtake Brooks Koepka.
But he placed a three-over-par 75, including a triple bogey, to a draw for the 12th place by a shot.
The Thai Poom Saksansin ended on 20 below to win with three strokes.
Saksansin won from compatriot Jazz Janewattananond, with the Swede Henrik Stenson another three shots back on 13 under
Rose became the first number one in the world for the first time in September and became the fourth Englishman to do so. after Sir Nick Faldo, Lee Westwood and Luke Donald.
The Olympic champion and 2013 US Open winner lost the top position of American Dustin Johnson later that month and has since struggled with US Open and PGA Championship holder Koepka to be ranked as the best in the world.
After two rounds of 68 for a 71 on Saturday, Rose was tied for the fourth to nine under par in playing Sunday and looked well placed to regain the top spot.
However, the 38-year-old carded two bogeys and a double bogey in his opening five holes, before he got back into the battle with birdies on both sides of the turn.
Rose's round again unraveled on the par-five 12th, carded a threefold bogey eight and then following with another shot down at 13.
He clawed back three strokes in the last five holes, ending with successive birdies, but that was only enough to get a draw for the 17th place at six o'clock under par.