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Jack Nicklaus and Gary Player pose with Augusta National Chairman Fred Ridley having officially opened the 84th Masters. PHOTO: Augusta National.

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Umbrellas were the flavour of the day early on Thursday. PHOTO: Augusta National.

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One of the large leaderboards displays a weather warning. PHOTO: Augusta National.

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Golf balls cover the target greens on the practice fairway on Thursday morning. PHOTO: Augusta National.

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Jack Nicklaus acknowledge the small group of people surrounding the first tee. PHOTO: Augusta National.

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Bryson DeChambeau signals the direction of his drive on the 11th hole. PHOTO: Augusta National.

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DeChambeau's playing partner Jon Rahm follows his lead with some extra panache. PHOTO: Augusta National.

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Tiger Woods plays to the iconic 12th green during his first ever bogey free opening round at Augusta. PHOTO: Augusta National.

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Jordan Spieth hits his approach at the par-5 13th. PHOTO: Augusta National.

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Patrick Reed's caddie and brother-in-law Kessler Karain gets a closer look at a putt. PHOTO: Augusta National.

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First round leader Paul Casey was all smiles after his opening 65. PHOTO: Rob Carr/Getty Images.

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Canadian Corey Conners seen through Augusta's famed pine trees. PHOTO: August National.

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Tiger Woods stalks a putt during his opening round. PHOTO: Augusta National.

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A group including Jason Day gets to work on the 12th green. PHOTO: Augusta National.

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A small collection of on-lookers watch as Dustin Johnson putts on the 9th hole. PHOTO: James Squire/Getty Images.

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Aussie Masters winner Adam Scott rolls a putt on the 9th green during his incomplete first round. PHOTO: James Squire/Getty Images.

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Phil Mickelson looks slightly frustrated at what he has found in one of Augusta's bunkers. PHOTO: Patrick Smith/Getty Images.

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Collin Morikawa peers over the lip of a bunker on Thursday. PHOTO: James Squire/Getty Images.

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Queenslander Cameron Smith uses Augusta's mounds to get a better look at a putt, he is even through 10 holes. PHOTO: James Squire/Getty Images.

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The behind the scenes work of the leaderboard attendents at The Masters. PHOTO: Patrick Smith/Getty Images.

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Jason Day is snapped through the trees as he drives on the par-4 9th hole. PHOTO: Rob Carr/Getty Images.

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Matt Fitzpatrick plays from the pine straw to the uphill 9th hole. PHOTO: Augusta National.

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Victorian Marc Leishman lines up a putt during his solid two under par opening round. PHOTO: James Squire/Getty Images.

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Single file for Justin Rose, Cameron Champ and Zach Johnson. PHOTO: Augusta National.

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Tiger Woods reacts to an iron shot during his four under par opening round. PHOTO: Patrick Smith/Getty Images.

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Paul Casey hits his approach to the 7th green during his Thursday 65. PHOTO: Augusta National.

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Bryson DeChambeau didn't quite bring Augusta to its knees in round one as many suggested he would. PHOTO: Augusta National.

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Victorian amateur Lukas Michel unleashes a drive sporting a Metropolitan Golf Club cap. PHOTO: Augusta National.

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Max Homa, Fred Couples and Dylan Frittelli make their way from the 10th green. PHOTO: Augusta National.

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A rare Thursday fist pump from five-time champion Tiger Woods who was impressive during the first round despite a lack of roars. PHOTO: Augusta National.