Tyrrell Hatton retained his title at the Alfred Dunhill Links Championship on Sunday after a final round at St. Andrews in which Ross Fisher shot a course-record 61 at the home of golf.
Hatton, who became the first man to successfully defend the Alfred Dunhill crown, took a share of the previous course record of 62 when winning the tournament past year.
Fisher birdied six of his last seven holes at Kingsbarns for a 67 while Donald also produced a big finish with four gains in seven holes. Seven birdies and no bogeys sent Fisher out in 29 to best Hatton by two and pushed him into second place.
Dubuisson had also set himself up for a chance of a new course record with three holes to play, having carded 10 birdies to stand 10 under after the 15th, but he three-putted the 16th to drop his first shot of the day and parred the last two holes for a nine-under 63.
Hatton came in to the final day of the Alfred Dunhill Links Championship with a healthy five shot lead but experienced an early hiccup when he put his approach on the opening hole in to the Swilcan Burn.
What a great round of golf from Fish, it's incredible.
"I started the year with grabbed ambitions trying to add to my major tally and trying to win golf tournaments and get back up near the top of the World Rankings".
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Yet although Fisher made history, he was only second for the second year in a row, and it was Hatton who took the £595,000 first prize, taking his winnings in this event in two years to a cool £1.2 million.
"Fact is, more golf courses have closed in the USA in each of the last 10 years than have opened", said the 18-time major victor.
"I think that those kinds of rounds get the attention of a lot of people and make them wonder if something's out of balance and if the skill factor has changed", Shackelford said. "Looks like I'll finish second on my own".
"I didn't see a leaderboard until the 16 green and saw he was at -21, and I had a 15 minute wait on 17 which made the tee shot a little harder than I wanted to be", he admitted.
"It was very special because it was at the end of my season, and I played amazingly like the rest of the week but today it feels like all the putts went in", he said.
Phil Mickelson shot a 2-under 70 to finish tied for third at 12 under, while 54-hole leader Tyler Duncan finished in a tie for fifth after a disappointing 75.