Postpublished at 26 mins
Wales 13-10 Australia
Wales must take advantage of the two extra men now.
They struggled in this situation against Fiji last weekend.
But they've gone and conceded a penalty straight after the restart.
Summary
Andrew Kellaway try gives Australia an early lead but Wales respond straight away with Dan Biggar penalty
Rob Valentini shown a straight red card for a high tackle before Kurtley Beale is sin-binned for a deliberate knock-on
Biggar kicks second penalty before Ryan Elias' try gives Wales the first lead of the evening
James O'Connor kicks two penalties for the Wallabies before a third Biggar penalty gives Wales slender half-time lead
Nick Tompkins extends Wales' lead with try early in the second half, as Australia appeal for a knock on
Replacement prop Gareth Thomas sin binned before Wallabies scrum half Nic White reduces the deficit to three with try
Biggar kicks Wales six points clear before Filipo Daungunu's try on 70 minute brings Australia back within one
Beale penalty looked to have won it for Australia, but replacement Rhys Priestland kicks crucial penalty to seal win for Wales
Postpublished at 26 mins
Postpublished at 27 mins
Wales 13-10 Australia
Emyr Lewis
Former Wales flanker on BBC Radio CymruIt's a very good, well-worked, clever try from Wales. They needed to make the most of their numerical advantage and they've done so right away.
Postpublished at 26 mins
Wales 13-10 Australia
Dafydd Pritchard
BBC Sport Wales at the Principality StadiumAnyone else getting flashbacks to Beauden Barrett's deliberate knock-on from Wales' defeat against New Zealand in the opening game of this autumn campaign?
Barrett got away with that one, conceding just a penalty.
No such luck for Kurtley Beale, who is going to the bin.
Postpublished at 24 mins
Wales 13-10 Australia
Caryl James
Former Wales wing on BBC Radio CymruAustralia can have no complaints.
It's a deliberate knock-on from Kurtley Beale and the officials had no other option but to show him yellow.
Converted try - Wales 13-10 Australiapublished at 23 mins
Ryan Elias, con Dan Biggar
Image source, Huw Evans Picture AgencyWales win the lineout, the ball comes out and Tomos Williams slips an inside ball to the hooker who crosses over in the corner.
Dan Biggar is on target from the touchline.
The crowd is alive in the Principality Stadium now.
Sin-bin - Kurtley Bealepublished at 22 mins
Wales 6-10 Australia
The full-back was right to look nervous during that lengthy review.
He's shown a yellow card and Australia are down to 13.
Image source, Huw Evans Picture AgencyPostpublished at 22 mins
Wales 6-10 Australia
Kurtley Beale is under the spotlight now for a high tackle on Nick Tompkins.
The TMO is taking a look.
Postpublished at 20 mins
Wales 6-10 Australia
Josh Adams comes agonisingly close to scoring there.
Louis Rees-Zammit puts in a lovely kick for him to chase, but Nic White is there to see off the danger.
Familiar territory for Walespublished at 19 mins
Wales 6-10 Australia
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End of twitter postPenalty - Wales 6-10 Australiapublished at 18 mins
James O'Connor
The Wallabies hit straight back, Willis Halaholo is penalised after going in for the steal.
Penalty - Wales 6-7 Australiapublished at 16 mins
Dan Biggar
Dan Biggar says thank you very much and gets Wales back to within a point.
Postpublished at 15 mins
Wales 3-7 Australia
Emyr Lewis
Former Wales flanker on BBC Radio CymruThe officials have got that right in my opinion because it's head on head and there's no mitigation.
Adam Beard hasn't changed his angle and Rob Valentini is too high in the tackle - he's got to go lower.
Postpublished at 14 mins
Wales 3-7 Australia
That's a really poor tackle technique from Rob Valetini.
He has to get lower on Adam Beard there.
For the second week in a row, Wales will play a large part of the match against 14-men.
Red card - Rob Valentinipublished at 14 mins
Wales 3-7 Australia
Valentini's evening is over.
The officials see no mitigating factors and deem the tackle to have a high degree of danger.
Valentini apologises to Beard on his way off, but Australia are down to 14 men.
Image source, Huw Evans Picture AgencyCould be trouble for Australia herepublished at 14 mins
Wales 3-7 Australia
Uh oh. Adam Beard has just taken a massive hit.
It looked like a head on head collision from number eight Rob Valentini.
The crowd is booing and the referee will take a good look at this.
Postpublished at 14 mins
Wales 3-7 Australia
Wales have won a third penalty of the evening, Australia full-back Kurtley Beale is penalised for being off his feet.
Postpublished at 13 mins
Wales 3-7 Australia
Wales stood firm in the first scrum, but they are penalised on this occasion.
Tomas Francis never looked comfortable there.
Postpublished at 12 mins
Wales 3-7 Australia
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End of twitter postPostpublished at 11 mins
Wales 3-7 Australia
Dafydd Pritchard
BBC Sport Wales at the Principality StadiumAustralia have really taken the sting out of the atmosphere inside the Principality Stadium with this impressive start.
The home supporters have been relatively subdued so far, only discovering their voices on the occasions their team have earned penalties.
Postpublished at 10 mins
Wales 3-7 Australia
Wales have won another penalty, Dan Biggar kicks to touch and Wales' first lineout goes straight to hand.
It's now their turn to test the Wallabies defence.