The owner of eight worldwide victories will make his fifth U.S. Open start after getting into the field as the first alternate from the Surrey, England, sectional qualifier. Wiesberger tied for 16th in his last U.S. Open appearance in 2017 at Erin Hills. Wiesberger's most recent title was the 2017 Shenzhen International in the People's Republic of China. He won the Austrian Amateur Stroke Play Championship three years in a row from 2004-06. Represented Austria in the World Amateur Team Championship in 2004 and 2006.