Last Updated: 14/06/13 1:29pm
Luke Donald: Finished opening day as the leader of the US Open
Adverse weather conditions meant that several players did not manage to complete their first rounds at the US Open on Thursday.
A three-and-a-half hour delay early in the day due to storms and a smaller downpour later on put the second major of the year well behind schedule.
Phil Mickelson grabbed the clubhouse lead with a three-under 67 but Luke Donald topped the leaderboard on four under, a figure he reached after the 13th hole.
Butch Harmon and Colin Montgomerie look back at day 1 of the US open.
The Englishman was delighted by his start but admits he still has work to do if he is to push home his advantage at the rain-interrupted US Open at Merion.
The 14-time major winner appeared to be troubled by a wrist injury as he made an uncertain start to the US Open at stormy Merion.
Some of the best shots from round one of this year¿s US Open.
Schwartzel was disappointed to waste a flying start as he headed a significant South African challenge at the US Open.
Poulter failed to build on a red-hot start to his US Open campaign as he opened with a one-over 71 at Merion.
After a sleep deprived preparation Phil Mickelson dazzled the crowd at the US Open with an opening round 67.
Five-time runner-up Mickelson defied a lack of sleep to set a tough early target in difficult conditions on the storm-hit first day of the 113th US Open.
Belgian player Colsaerts insisted he was close to finding "peak" form after making an encouraging start to the US Open at Merion.
Sergio Garcia got off to a tough start in round one of his US Open bid as questions about his recent comments on Tiger Woods remain.
Garcia played down some heckling from the galleries at Merion as he staged a valiant recovery on the first day of the US Open.
Parry insisted he thoroughly enjoyed his US Open debut despite struggling to a six-over 76 in the opening round at Merion.
Rory McIlroy, Paul Casey and Thomas Bjorn could be the men to watch at the Irish Open, says Rob Lee.
Phil Mickelson, Justin Rose, and the streets of Philadelphia. Rob Lee blogs on the 113th US Open...
Newly-crowned US Open champion Justin Rose has hailed the influence of coach Sean Foley following his triumph at Merion.