Iain Carter
BBC golf correspondent at Pinehurst

I've lost count of how many shots Fowler has taken here . . .

As John our previous tweeter mentions, Pinehurst can make these golfing Gods looks like mere mortals.

Rickie Fowler is struggling to even look that good on the fourth hole. His drive finds the scrub, second shot cannons off a scoreboard and the chip to the green is flown way past the dancefloor.

He will have a horrific chip for a par, oh and it turns out there is a tree in his way. If he escapes with double bogey it will be surprising.

John McEnerney:, external I want Henrik to win. Pinehurst makes the pros look normal. I've said a few times this week: "That's the way I play" after some of the shots!

Drapeslovesgrapes:, external Stenson could be the one if his putter gets hot, still think Kaymer will get it done with par or better.

Stenson follows up birdie on three with bogey on four. The story of the week for so many. Consistency is a sought-after commodity at Pinehurst.

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The lead then moves to six shots as Kaymer goes one under for the day.

All eyes on him. As he showed with that nerveless putt to win the Ryder Cup in 2012, he can handle pressure.

Image source, Getty Images

Jay Townsend
BBC Radio 5 live summariser at Pinehurst

"This is not your typical US Open course - it does not dictate to you what shots you play. You have choices and that is what it makes it so much more interesting and much more fun to watch these guys play. The winning score, for me, will be nine under."

Fowler's dance with the sand is costly as he can only par the driveable par four third. The California-born player cannot hole out from 12 feet - a miss made worse as Kaymer picks up birdie with two putts.

The German comes out the right side of the risk-reward conundrum. He is nine under.

Image source, Getty Images

American Daniel Berger (pictured) has already shot a 66 today to finish plus seven overall and Louis Oosthuizen is in the clubhouse with 67 - nine over for the four days.

The pair have shown scores are out there and if one of Rickie Fowler, Erik Compton or Henrik Stenson can do similar, we may well have some drama on our hands.

"Get in the hole" is the scream on the treacherous third hole as Rickie Fowler lets rip. This par three is riddled with challenges in that it plays long, has sand aplenty and guess what? Rickie is in the trap.

His tee shot is short and right. Martin Kaymer meanwhile, yes, you guessed it, it's the heart of the green.

The man many seem to be tipping to make a charge - Henrik Stenson - picks his first shot up with a short birdie putt on the third hole.

Three under for him, but playing partner Erik Compton cannot move off the mark - it's par for the American as a makeable birdie putt slides on by the cup.

Those eagle chances for Justin Rose and Keegan Bradley find the cup, much to the delight of the roaring, whooping galleries.

Two shots back for each. Rose is in red figures at one under while Bradley is plus one. Both look to have momentum.

Kaymer has a tester for his par on two. The 29-year-old got too aggressive with his second shot and a long putt results in this nasty 10 footer.....it's in.

How many of these type of saves has he produced this week? Machine-like putting. Zero encouragement for the chasing pack. Just when the door opens, it gets slammed shut.

Justin Rose, still one over, tonks one on five and his ball runs onto the green to set up an eagle opportunity. American Keegan Bradley is in the same shape on the 13th green after a stunning approach.

There are scores to be made today. The USGA have been kind. Well, kinder than yesterday at least. Will it prove telling?

Erik Compton is brave with his par putt on two and smashes it into the cup. He'd have had a walk on his hands had that slipped by.

Nice stuff though. A nervy start but he remains three off the lead.

Who do you want to win? Is Rickie Fowler colour blind with that outfit? And what are your views on this testing Pinehurst course?

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So Kaymer gets off to a par start and the world number 28 has experience in holding a big lead. He held a six-shot advantage going into the final round of the BMW International Championship in his native Germany back in 2008 and won - just - after a play-off with Anders Hansen.

Kaymer trickles a birdie putt to within a foot on the opening stretch and taps home a par. He will probably bite your hand off for another 17 of them.

For Rickie Fowler, in bright orange, it is a nerve-rattling 12 footer for par.....drops. Slick. His outfit however?

Image source, Getty Images

Luke Reddy is standing over my shoulder and threatening to take the keyboard away from me if I don't hand over the reins to him soon so, before it gets nasty -and just as Martin Kaymer misses a birdie chance on the first - I hand you over to my colleague Mr Reddy.

Graeme McDowell walks away from the 18th with a par and he's back in the clubhouse with a level-par 70, but is +7 for the tournament. Better luck next time, G-Mac.

First up is Rickie Fowler and once the 25-year-old is announced to the crowd cries of "come on, Ricky" emerge. The American finds the heart of the fairway with a dreamy tee shot and cue yells of "U-S-A" from two jocks.

A tidy tee shot from Martin Kaymer, too, which means the front-runners are under way and it's time to rock 'n' roll. Well, I say rock 'n' roll. Let's not swing into a full jive just yet, maybe just tap a toe for the moment and hope for the best.

A birdie for Rory McIlroy on the seventh and he's into the red for the first time in this round. Keegan Bradley is one shot better off after birdies on the ninth and 10th.

And Erik Compton, currently tied for second and five shots adrift of Martin Kaymer, is off to a fine start and could come away from the first with a birdie! Let's not get too excited, though. [Ed, who put in the exclamation mark?!]