Eng 305-4published at 88 overs
Malan 110, Bairstow 75
Josh Hazlewood steams in to bowl, one last ounce of energy.
Watchful from Dawid Malan, outside off stump. The partnership is 170.
Malan drives down the ground for four more picturesque runs.
Malan 110* - maiden Test century
Dropped by Bancroft on 92
Bairstow 75* - stand worth 174
Stoneman 56, Vince 25, Root 20
Australia lead 2-0 in five-Test series
Day two starts at 02:30 GMT
Amy Lofthouse, Tom Rostance and Saj Chowdhury
Malan 110, Bairstow 75
Josh Hazlewood steams in to bowl, one last ounce of energy.
Watchful from Dawid Malan, outside off stump. The partnership is 170.
Malan drives down the ground for four more picturesque runs.
Last over of the day? Jonny Bairstow may need to change his gloves in this next few minutes...
Simon Mann
BBC Test Match Special commentator
If you're ever lost in Perth, you can use the floodlight pylons at the Waca to help you out. They're enormous.
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Malan 106, Bairstow 74
Daddy hundreds will be the talk of the camp if England get through to stumps with these two men well set. England are scoring at six an over with the new ball.
One wicket would change everything though...
Text 81111
Steve Smith wants Dawid Malan pyjamas for Christmas.
Tom, Holborn
Graeme Swann
Ex-England spinner on BBC Radio 5 live
It's been a magnificent hundred because he had to weather so many short balls so early on.
#bbccricket or 81111
In Hong Kong trying to delay the flight boarding in anticipation of the ton. I don't think the staff share my enthusiasm.
Somewhat excited Sim
England bring up the 300 - not many people would have predicted that in the hour after lunch when it was zipping around at ear height.
#bbccricket or 81111
David Kohn: Now considering name change to Dawid.
Harry Gasper: A classy century from Dawid Malan which included some of the best shots of the series so far. Very positive partnership with Jonny Bairstow. England clearly decided to attack today.
Jack Blackburn: Well done Dawid Malan. An innings of maturity and crucial for England. It’s the newbies who are standing up in this series.
Andrew Samson
BBC Test Match Special statistician
This is England's highest fifth-wicket partnership at the Waca. The previous best was Graham Thorpe and Mark Ramprakash's stand of 158 in 1995.
Malan 106, Bairstow 72
Mitchell Starc sends a seaming, swerving delivery into the pads of Jonny Bairstow but it's very leg sided.
No review called for. Bairstow then streaks an edge through third man for another boundary.
#bbccricket
Maw Holmes: So, who had Dawid Malan down for first England century of the series...? Anyone...?
Josh Withers: Cometh the hour cometh Malan. You absolute beauty.
John Box: Malan for SPOTY
Jack Tayler: Paris, Rome, or Malan?
That's the 10th-highest score in Perth by an English player. And counting.
Where does this leave England? Still with work to do? Or a good day so far.
Andrew Samson
BBC Test Match Special statistician
Malan's century came in 221 mins and off 159 balls, including 13 fours and a six.
It is the first century by an England number five since Moeen Ali made 117, external against India in Rajkot in 2016.
Malan 106, Bairstow 68
That was a much-needed century - for Dawid Malan and for England.
Malan then punches a wonderful drive through the covers for four more.
Dan Norcross
BBC Test Match Special
There's nothing better than this. We've just sat through half an hour of fairly drab, cat and mouse cricket, waiting for the new ball to be taken, and now the tempo of the game has changed.
Graeme Swann
Ex-England spinner on BBC Radio 5 live
Dawid Malan got absolutely peppered when he came in, and he's batted beautifully. Dawid Malan, I am proud of you. Wonderful stuff.
Dawid Malan is the 164th England player to score a century in Test cricket, and the first new member of the 100 club since Keaton Jennings hit 112 in Mumbai last December.
Malan is only the sixth member of the current England side to score a Test hundred. Much needed.