Hadwin shot a 3-under 69 at Prince of Wales Country Club for a 16-under 272 total. He earned $117,000.
Presnell eagled the par-5 18th for a 68.
South Korea's Sung Joon Park, Sweden's Henrik Norlander and American Kyle Reifers tied for third at 13 under. Park shot a 66, Norlander had a 69, and Reifers a 71.