How Do They Determine the Cut at the U.S. Open? Posted on June 15, 2018 by 1 News 1 News Net 1 News - 1 Movies - 1 Music - 1 eBooks - 1 Search Search for: US Open cut line rule: Who can qualify for Rounds 3 and 4? | SI.com How Do They Determine the Cut at the U.S. Open? Combined-Shape 1 News Net 1 News - 1 Movies - 1 Music - 1 eBooks - 1 Search Search for: