Henrik Stenson and Dustin Johnson both shot 5-under 65 to share the lead after the first round of the 2015 U.S. Open at Chambers Bay in University Place, Washington. Rory McIlroy, the world's top-ranked golfer, struggled with the speed of the greens and shot a disappointing 2-over 72. Tiger Woods had his worst performance ever at the U.S. Open, shooting an 80 after numerous bogeys from bunkers and tall grass.