Former world number one Jordan Spieth reeled off five successive birdies before bogeying the last for a first-round 66 Thursday.
An opening round of 69 at Augusta left Rory McIlroy in positive mood. "Everything was really solid," said the four-time major champion.
It was another Augusta day to remember for Jordan Spieth, who leads by two shots after round one of the Masters.
Having injured his ankle on Wednesday, Tony Finau made the most of his recovery by moving into the lead at The Masters.
Jack Nicklaus, a six-time winner at Augusta, believes Rory McIlroy is the favourite to claim Masters glory on Sunday.
Rory McIlroy says he is more "comfortable on the golf course and comfortable with his game" as he eyes a first Masters title.
The tee times and groupings for the opening round of the Masters were announced on Tuesday, Tiger Woods going out at 10:42 local time.
There are some eye-catching groupings for the first two round of the Masters and Tiger Woods will tee off at 10:42 local time (14:42 GMT).
In a sport defined by fine margins, the 2018 Masters is shaping up to be one of the closest majors in history.
Ahead of the first major of the year, we take a look at the best Opta facts surrounding the 82nd edition of the Masters at Augusta.