William Mouw won the 2025 ISCO Championship at Hurstbourne Country Club in Louisville on Sunday for his first PGA Tour win.

Sometimes the final nine of a PGA TOUR event can be a game of chicken, as professional golfers battle their emotions and the course while chasing the title.

William Mouw fired a nine-under par 61 to surge to a one-shot victory in the ISCO Championship in Kentucky on Sunday, capturing his first US PGA Tour title in his 20th start.He walked off the 18th with a 10-under par total of 270 but had to wait two hours to see if his three-shot lead would hold up.