US Open favourite Dustin Johnson is tied atop the leaderboard during a brutal first round at Shinnecock Hills.
Seemingly impervious to 30km/h winds and brutal pin placements at the Long Island course, Johnson shot a one-under-par 69 to join Ian Poulter, Scott Piercy and Russell Henley in a share of the lead.
Jason Dufner carded 70 to be a shot back in solo fifth place.
The notoriously difficult Shinnecock Hills took a host of big-name scalps, notably Australia's Jason Day and three-time US Open winner Tiger Woods.
Woods racked up a triple-bogey seven on his first hole and never recovered during a 78.
He joined Phil Mickelson (77) and Jordan Spieth (78) as multiple major winners with rounds high in the 70s, while Rory McIlroy carded a 10-over 80 and fellow former US Open winner Martin Kaymer shot 83.
Meanwhile, Aaron Baddeley and Marc Leishman led the Australian charge at four-over having posted a 74.
"It was tough; I missed two fairways for the day and felt like I was fighting the whole way," Leishman said.
Other Australians in the field include Matt Jones (76), Jason Scrivener, Adam Scott (78), Day, David Bransdon and Cameron Smith (79) and Lucas Herbert, the major championship debutant languishing at 13 over through 16 holes.
World No.8 Day posted his equal-worst round at the US Open - matching his score from round one at last year's US Open when he missed the cut.
Tipped as a pre-tournament favourite, Day sits 10 shots off the pace.
"It's really difficult out there," Day said.
"The wind was strong, the ball is getting blown around so much and with the locations of the pins you can't get it close and on top of that it's hard to putt," he said.
However, worst round of the day so far goes to former British amateur champion Scott Gregory, who suffered through a 22-over 92.
The 23-year-old became the first player in 16 years to shoot 90 or worse at the US Open.
"It's been a long time (since failing to break 90) and this is not really the week I wanted to revisit that score,'' he said.