Mitch the mo returns to the attack, Stoneman equal to the task, defending and leaving well.

The fifth drifts down leg and Paine scramble across to cover before Stoneman bats back the last.

A maiden for Starc but still a few yards of pace for him to put on.

"Marais, there must be something wrong with the ball - I know our bowlers are quicker than this."

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Lyon now at Vince, who covers the first four deliveries nicely.

The fifth turns a bit sharper and Vince rocks it round the corner for a single. The Hampshire batsman is looking in regal form out there.

Stoneman nudges the last out to wide long-on for another single.

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Glenn McGrath
Ex-Australia pace bowler on BBC Test Match Special

England have fought back nicely after losing Cook. Stoneman and Vince have had a reasonable tour to date. These were the two that I wanted to see how they'd go. Joe Root will want time to go further and further, and let the pitch settle a little bit more, before he goes out there.

Image source, Reuters

Hazlewood directs a short ball at Stoneman that beats the Surrey man's defences and cracks his upper arm. It was more the lack of pace than pace that deceived Stoneman there.

Stoneman clips off his pads for a comfortable couple, accumulating nicely.

Andrew Samson
BBC Test Match Special statistician

Image source, Getty Images

Nathan Lyon has taken 46 Test wickets at 21.09 in 2017 - the second most of any Australian spinner in a calendar year.

Here is the 'career-ending' off-spinner - that's a decent ball first up, finding the thick outside edge of Stoneman's bat, but it runs away harmlessly enough in the end.

Stoneman plays the next four well enough before dropping the last one away through third man for a quick single.

Lyon has a chirp at the end of the over. Stoneman turns away laughing.

Hazlewood continues - it's all nice line and length stuff but nothing to trouble Vince, who calmly dismisses the over.

Time for Nathan Lyon?

Ahnaf Tahmed Faiz‏: James Vince looks so, so good on the eye when he's in the groove.

Daniel Davies: I've already gone past my 1am limit. Might as well stay up for the rest of it now.

A sedate end to the over after that brief flurry of excitement from the Aussie slip cordon.

Jonathan Agnew
BBC cricket correspondent on Test Match Special

It must have flicked the pad buckle. They all went up but they will be careful with reviews. The refunding of reviews at 80 overs has been removed now.

Cummins goes short at Vince who gets on top and rolls his wrists on the pull shot for a single before Stoneman dabs away for one.

Vince sees another opportunity for the drive, judges it well enough to crash it for three.

Cummins then slides one down leg and Stoneman wafts at it - Paine catches and the Aussies go up but nothing doing from the umpire.

Glenn McGrath
BBC Test Match Special

Stoneman and Vince seem pretty composed, not nervous and they've been the pick of the batsmen on tour so far.

Image source, Reuters

Watchful from Stoneman to Hazlewood - leaves one, pats a couple back, leaves another.

'Rocky' then sways away from a short but not particularly threatening delivery before leaving the last well alone.

A maiden without menace.

Dan Norcross
BBC Test Match Special

I tend to think of Mitchell Starc as a bowler of great balls rather than a great bowler.

And yet he was starting to get a nice pitch map today - if he keeps consistent and then chucks in the great balls, he really will be a great bowler and that will cause alarm for England.

Image source, Getty Images

James Whitaker‏: When are the Aussies going to put one of their pace bowlers on?

Dev Martin: Hazlewood just got the perfect response from Vince. Lovely!

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And with that, the first drinks break of the 2017-18 Ashes. File that first hour under intriguing.

Well done if you've stayed up this far - I appreciate you may be flagging, but stay with us!