In a stunning professional debut, 21-year-old rookie Jackson Koivun captured his first PGA Tour victory at the 3M Open on Sunday, July 26, 2026, at TPC Twin Cities in Blaine, Minnesota. Koivun shot a final-round 5-under 66 to finish at 25 under par, securing a three-shot win over world No. 1 Scottie Scheffler.