Fitzpatrick, who won this title in 2016, also birdied the last to draw level on 18 under but Van Rooyen held his nerve to birdie
the last for the fourth day running, holing from 12 feet for the win.
Matloob hit back with a birdie
on the seventh but Ahmed replied immediately with a birdie
on the eighth, setting up a fascinating contest over the last nine holes.
Shibuno overcame a four-putt double-bogey on the third hole to card a closing 68 and finish 18 under par, a shot ahead of American Lizette Salas, who lipped out from four feet for a birdie
on the last.
three followed at the par-four 16th.
Lu, meanwhile, used a strong backside start of three birdies
in the first five holes to fashion out a 36-33, Hung broke a slew of backside pars and overcame a bogey on the sixth with two birdies
in the last three, the same finish dished out by Wen as the locals stayed on course on defending their turf against the PGT Asia bets in the $100,000 championship put up by ICTSI and co-organized by Pilipinas Golf Tournaments Inc.
Another ideal drive on the second was followed by an approach into a greenside bunker, but Woods got up and down for birdie
and then saved par on the next after his second shot trickled over the back of the green.
2 Ariya Jutanugarn got off to a quick start with two consecutive birdies
on the first and second holes to share the lead.
Open champion Molinari took the lead with a six-foot birdie
and did not trail until Woods made his second birdie
'I scored seven birdies
and a bogy but overall my long drives were bat better and landed all of them on the greens,' he said.
Fleetwood, who had two birdies
and bogey in his front nine, then leapfrogged into contention with three birdies
on the four holes of the back nine to go 19-under - one shot adrift of the leader Fisher, who dropped a shot on the par 5 10th hole.
And although the four-time major winner carded seven birdies
in a second round of 66, that was only good enough to reduce his deficit by a single shot thanks to a brilliant 65 from Japan's Hideki Matsuyama.
Johnson and Koepka birdies
kept it alive until the 17th when Pieters' two finished USA off.
He missed a birdie
putt from seven feet and missed a par putt from five feet for a bogey on 11th, his second hole.
Fisher took a two-shot lead into the final round and birdied four of his first seven holes, but a bogey on the fifth meant that four birdies
in the same stretch from Ford ensured the gap was cut in half.
Ilonen carded five birdies
and no bogeys at The London Club to win 3&1 and secure the first prize of 650,000 euros.