After the first round, Grigg was tied for 16th, but after a second round 1-under-par 71 and carding six birdies and only one bogey in the final round, he came out on top with a tournament-total 2-under-par 214. His previous best finish came in the 2016 Greg Norman Champions Golf Academy Junior Championship where he finished T12.
Colin Stolze of St. Louis, Missouri, and Kevin Wahle of Wildwood, Missouri, finished tied in second place after finishing with a 1-under-par 215 for the tournament. Stolze shot a final-round 3-over-par 75 and Wahle shot a final-round even-par 72. Wahle fired off four straight birdies on Nos. 10-13.
Lyon County's Cullan Brown shot a final round 68 and finished 4th.
