MacIntyre turned professional in late 2017.[4] In October, he played his first two events as a professional, on the MENA Golf Tour, finishing tied for third place in the Jordan's Ayla Golf Championship and then winning the Sahara Kuwait Championship.[2]
MacIntyre was a joint runner-up in the 2019 Betfred British Masters, helped by an eagle-birdie finish.[7] Two weeks later he was runner-up in the Made in Denmark tournament, a stroke behind Bernd Wiesberger.[8] In July 2019, MacIntyre made his Open Championship debut at Royal Portrush, finishing in a tie for sixth.[9] On 14 October, MacIntyre became the leading Scot on the Official World Golf Ranking for the first time after finishing in a tie for fourth at the Italian Open.[10] MacIntyre finished the season as the leading rookie on the Race to Dubai rankings (11th place) which earned him the Sir Henry Cotton Rookie of the Year award.[11]
In November 2020, MacIntyre claimed his first European Tour title at the Aphrodite Hills Cyprus Showdown. With the final round cut to 19 players due to knockout format of the event; MacIntyre's final round 64 was good to seal the victory and beat Masahiro Kawamura by one shot.[12]
In September 2022, MacIntyre won his second European Tour event at the DS Automobiles Italian Open. He shot a final-round 64 to join Matt Fitzpatrick in a playoff. He won the playoff on the first extra hole with a birdie.[13]
In July 2023, MacIntyre shot a 64, including a birdie on the final hole, in the final round of the Genesis Scottish Open. He was eventually beaten by Rory McIlroy by one shot.[14]
NT = No tournament
"T" = Tied
QF, R16, R32, R64 = Round in which player lost in match play
Note that the Championship and Invitational were discontinued from 2022.
Scotland
