England's Justin Rose hit a sensational seven-under-par 65 to open a four-shot lead on the opening day of the Masters.
Two-time runner-up Rose was two over after seven, but an eagle followed by seven birdies saw the 40-year-old accelerate clear at Augusta National.
Hideki Matsuyama and Brian Harman had set the early pace at three under par as the only other players to break 70.
Patrick Reed, the 2018 winner, shot a 70, while defending champion and world number one Dustin Johnson is two over.
Only 12 players shot under par on the opening day, with England's Tyrrell Hatton and Ireland's reigning Open champion Shane Lowry at one under.
Northern Ireland's Rory McIlroy and England's Lee Westwood were among those who struggled to tame the iconic Georgia course, finishing on four over and six over, respectively.
Tommy Fleetwood was also having a tough round but he had a hole-in-one on the par-three 16th, having also made an ace at the WGC Matchplay last time out, on his way to a two-over 74.
