 Pedzisa mutsara unotevera: Muna 2017, Koepka akakunda mukwikwidzi wake wokutanga mukuru nokureva kutiMukombe weU.S. Open paErin Hills, Wisconsin. Kukunda kwake kwakamubatanidza iye rekodhi yeiyo yakaderera US Open zvibodzwa pa16 pasi yakasungirirwa naRory McIlroys 2011 rekodhi. 