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