BBC Sport's Rob Hodgetts watches the world number one have an indifferent opening day at the Masters
China's Guan Tianlang, the youngest player in Masters history at 14, cards a first-round 73 at Augusta.
Spain's Sergio Garcia and Australian Marc Leishman set the pace in the opening round of the 77th Masters at Augusta.
The Masters' youngest-ever competitor, 14-year-old Guan Tianlang from China, holes a putt from just off the green on the 18th to complete a one over par 73.
First round joint-leader Marc Leishman says he "started hitting it well" during a five-under-par back nine that left him tied with Sergio Garcia following an opening 66.
Rory McIlroy's 72 and Graeme McDowell's 73 leave them well off the pace after the opening day of the Masters.
England's David Lynn says leading the Masters at Augusta is something he will "look back on" with pride.
Graeme McDowell says he played some solid golf despite opening with a disappointing 73 at the Masters.
Britain's David Lynn says he is "delighted" after carding an opening round of 68 that leaves him well placed on his Masters debut.
Welshman Jamie Donaldson hits a hole-in-one on the sixth hole at Augusta in his debut at the Masters.
American Nick Watney and two-time former Masters champion Ben Crenshaw hit holes-in-one at the warm-up par 3 competition.
As the 2013 Masters commences, BBC Sport's Dan Walker reveals the 25 signs that you have caught Augusta addiction
Thunderstorms could disrupt play at The Masters golf at Augusta as a spring storm sweeps across the United States. Susan Powell has the forecast.
The BBC commentary team discuss who they think will emerge as champion at Augusta.
Tennis star Caroline Wozniacki acts as caddie for boyfriend Rory McIlroy in the par-three competition on the eve of the Masters
Martin Laird hopes the 25th anniversary of Sandy Lyle's Masters win proves a good omen for himself at Augusta.
Why players and caddies have good cause to beware the dangers posed by a section of the Augusta course that can be "a nightmare"
As this year's US Masters gets under way, BBC Sport takes a look at the man who has won it the most.
Wales will have two Welshman at the Masters for the first time since 2004 as debutant Jamie Donaldson joins 1991 champion Ian Woosnam.
American Ted Potter Jnr beats Phil Mickelson and Matt Kuchar in a play-off to win the Masters par-three contest.