The Thai fired a five-under 67 in the final round to storm to her win at the Travis Pointe Country Club in Michigan on Sunday.
Ariya Jutanugarn wins again on LPGA Tour
Ariya Jutanugarn continued her fine form, claiming a third straight LPGA Tour win with a five-shot victory at the Volvik Championship.
Jutanugarn is the first player in LPGA history to win her first three events consecutively.
The 20-year-old took out the Texas Shootout and Yokohama Tire LPGA Classic leading into the tournament.
"When I see the course, I just feel like it's really hard for me because I can't hit my driver and I really have to have a good game plan," Jutanugarn said, via LPGA.
"So to be honest, first time I see it, I think this course is hard and I don't think I'm going to win, I just really want to do my best."
Jutanugarn finished at 15 under overall, five shots clear of American Christina Kim (71).
Canada's Brooke Henderson (68) and American Jessica Korda (72) were tied for third at nine under.
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