Bob MacIntyre produced an incredible four-under-par surge in his final five holes to become the first Scotsman to win the Scottish Open in a quarter of a century.

The Ryder Cup hero, who is enjoying a dream season after winning his first PGA Tour event last month, picked up his second title in quick succession, edging out Adam Scott with a birdie at the last at The Renaissance Club to win by one.

The 27-year-old was stuck in neutral for long periods of his final round after starting two shots behind overnight leader Ludvig Aberg, but he burst into life midway through his back nine to seal a win for the ages. In doing so, he buried the heartache of 12 months ago when a similarly spectacular surge from Rory McIlroy in this same tournament stole victory from Oban native MacIntyre's grasp.

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MacIntyre is the first home winner of his national open in 25 years, ending the long wait since Colin Montgomerie's triumph at Loch Lomond in 1999.

The defining moment of MacIntyre's young career came in front of a huge crowd on the 18th green. He struck his approach to around 20 feet, setting up a golden birdie look for the win. His putt appeared to be lacking pace, but it trickled over the front lip of the cup to spark scenes of jubilation that will go down in Scottish sporting folklore.

MacIntyre was one-over-par for the day heading to the par-three 14th, and it seemed his dreams of winning his national open would have to wait for another day. But he sparked his charge with a classy birdie, and he turned things up a notch at the par-five 16th, albeit with a huge stroke of fortune.

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After pulling his drive to the right, the lefty set up for his second shot in a thick patch of long grass. He had no hope of reaching the green until he took his practice stroke and heard his metal spike grind against a buried sprinkler head. He was granted free relief and a much better lie, and he duly profited, unleashing a beautiful approach to six feet.

MacIntyre rolled the putt home with conviction to move into a share of the lead. A gutsy par at 17 followed before the decisive 18th. It was here 12 months ago that McIlroy produced one of the greatest shots of his career to break MacIntyre's heart, but this time it was the Scotsman delivering the pain to a rival.

Australia's Scott watched on from the scorer's room in disappointment. The 43-year-old is now four years without a PGA Tour victory. But for MacIntyre, the feeling was pure joy of a lifelong goal achieved.

"I think I've lost my voice with the scream when that ball [went in]," he told Sky Sports. "I thought it was short. I've put a lot of work into this and I've changed a lot within the team and I've just worked hard. I wanted the Scottish Open and I've got the Scottish Open.

"Look, I got a bit of luck on 16, but you need a bit of luck to win golf tournaments. I couldn't believe when I took a practice swing that I heard a sprinkler underneath my foot from my spikes. I'm like, 'No way'. It was covered and we just got lucky and it was meant to be. It's incredible."