MacIntyre carded a final round of 68 at Hamilton Golf and Country Club to finish 16 under par, a shot ahead of home favourite Ben Griffin.
The French Open continues on Monday with some of the sports’ biggest stars featuring on day nine.
Carlos Alcaraz produced his best display of the tournament to line up a quarter-final rematch with Stefanos Tsitsipas at the French Open, while Iga Swiatek ramped up her bid for a third successive Roland Garros title with a 40-minute blitz on Sunday.Swiatek, who saved a match point against Naomi Osaka in the second round, is a red-hot favourite to lift the Coupe Suzanne Lenglen and become only the fourth woman to win four Roland Garros titles in the Open era.Â
If there is a more emotional scene on the PGA Tour this year than Robert MacIntyre hugging his father – and emergency caddie – after winning his debut title on the US circuit, then we should all get ready for the ultimate tearjerker. Because this was rich with emotion.