American Ken Duke hits the opening tee shot to start the first round of 107th US Open Championship at Oakmont

Colin Montgomerie starts with a birdie at his first hole but then drops six shots in nine on his way to a 76

Padraig Harrington makes some last-minute adjustments before starting his round at the par-five 10th with a par

World number one Tiger Woods is among the early starters but his quest to win a 13th major starts with a bogey

Spain's Sergio Garcia finds the going tough and double-bogeys the 3rd and 9th to reach the turn seven over par

But playing partner and compatriot Jose Maria Olazabal birdies the 3rd and 6th to lead in the early stages

Two-time US Open winner Retief Goosen endures an up-and-down front nine but reaches the turn in level-par 35

David Toms starts well and finds himself at the top of the leaderboard until he drops shots on three consecutive holes

England's Nick Dougherty replaces him as he enjoys one of the rounds of his life to card a two-under 68

Defending champion Geoff Ogilvy puts in a solid performance but bogeys the last to finish one over

His playing partner Woods has a mixed day but also manages a 71 to stay in touch with the early leaders

A five at the 17th sees Argentine Angel Cabrera slip back to one under to leave Dougherty with the clubhouse lead

Despite spending time in the rough, big-hitting Bubba Watson comes home in 70 to finish level with Olazabal

Phil Mickelson was clearly troubled by his injured left wrist and only his superb short game kept his score respectable

Ian Poulter was dressed for success, as per usual, and his game was pretty smart on opening day at Oakmont too

And Justin Rose's run of fine results looks like continuing as the youngster was another Englishman in good touch