63s shot at the U.S. Open
PlayerYearCourseRoundRelation to par
Johnny Miller1973OakmontFourth8 under
Jack Nicklaus1980BaltusrolFirst7 under
Tom Weiskopf1980BaltusrolFirst7 under
Vijay Singh2003Olympia FieldsSecond7 under
Justin Thomas2017Erin HillsThird9 under
Seven other players have shot a round of 9 under in a major, the most recent being Hiroshi Iwata in 2015 in the second round of the PGA Championship at Whistling Straits. Thomas is the first to do it in a U.S. Open.
