Justin Rose missed the chance to return to world number one as Thailand's Poom Saksansin claimed the Indonesian Masters title.
Defending champion Rose – needing a top-12 finish to replace Brooks Koepka at the top of the rankings – carded a disappointing three-over-par 75 at Royale Jakarta Golf Club.
That saw him come joint 17th on six under – one shot off tying for 12th.
The 38-year-old, who had gone into the final round tied for fourth place, registered three bogeys, a double bogey seven on the second, and a triple bogey eight on the 12th.
He also made five birdies, including three in his last five holes, but the strong finish was not enough.
How he did it 🏆📊 #IM2018 #whereitsAt pic.twitter.com/AzkwPfCNCS — Asian Tour (@asiantourgolf) December 16, 2018
Saksansin finished three shots ahead of his nearest rival, compatriot Jazz Janewattananond, on 20 under having posted a final round of 68.
Fellow Thai player Panuphol Pittayarat was third on 15 under, while Sweden's Henrik Stenson was fourth, a further shot adrift.
ga('create', 'UA-72310761-1', 'auto', {'name': 'pacontentapi'});
ga('pacontentapi.set', 'referrer', location.origin);
ga('pacontentapi.set', 'dimension1', 'By Press Association Sport staff');
ga('pacontentapi.set', 'dimension2', '305feb9a-7240-422e-9850-9b7933a4cbc1');
ga('pacontentapi.set', 'dimension3', 'paservice:sport,paservice:sport:uk');
ga('pacontentapi.set', 'dimension6', 'story');
ga('pacontentapi.set', 'dimension7', 'composite');
ga('pacontentapi.set', 'dimension8', null);
ga('pacontentapi.set', 'dimension9', 'sport:golf,sport:other');
ga('pacontentapi.send', 'pageview', { 'location': location.href, 'page': (location.pathname + location.search + location.hash), 'title': 'Justin Rose misses chance to return to world number one in Jakarta'});
