Scotland and the Wallabies will be desperate to rebound with victory as the two teams travel to Murrayfield.
The Australians need a statement win after their defeat to England last weekend, and a win would return them to third in their pool.
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For Scotland, they dropped a crucial Test to New Zealand at home, out to continue their winning streak over the Aussies.
Rugby.com.au breaks down the action and previews the match, presented by Bet365
Scotland (15-1): Blair Kinghorn; Kyle Steyn, Huw Jones, Sione Tuipulotu (capt), Darcy Graham; Finn Russell, Ben White; Jack Dempsey, Rory Darge, Matt Fagerson; Scott Cummings, Gregor Brown; Zander Fagerson, Ewan Ashman, Rory Sutherland
Replacements: Gregor Hiddleston, Pierre Schoeman, Will Hurd, Max Williamson, Josh Bayliss, Ollie Leatherbarrow, Jamie Dobie, Tom Jordan
- Blair Kinghorn returns to the starting side, named at fullback.
- Winger Darcy Graham has also been named for the first time since July, starting on the wing.
- Back-rower Ollie Leatherbarrow is in line for his debut off the bench.
Australia (15-1): Tom Wright; Max Jorgensen, Joseph-Aukuso Suaalii, Len Ikitau, Harry Potter; Carter Gordon, Ryan Lonergan; Harry Wilson (capt), Fraser McReight, Rob Valetini; Jeremy Williams, Josh Canham; Allan Alaalatoa, Billy Pollard, Angus Bell
Replacements: Brandon Paenga-Amosa, Isaac Kailea, Taniela Tupou, Lachlan Shaw, Tom Hooper, Tate McDermott, Ben Donaldson, Filipo Daugunu
- Carter Gordon returns from a broken leg, starting at flyhalf.
- Harry Potter comes on to the wing for Isaac Henry (hamstring), pushing Joseph-Aukuso Suaalii into the midfield.
- Brandon Paenga-Amosa, Lachie Shaw and Tom Hooper have been added to the bench.
- Scotland have won four of the last five between the two nations.
- Eight of the last 10 matches between the two teams have been decided by less than a converted try.
- Scotland have traded wins and losses in their last six matches, most recently going down to New Zealand.
Carter Gordon v Finn Russell
The battle of the halves is box office and worth the price of admission only.
The Wallabies have missed Gordon's brilliance in recent weeks, and he'll look to spark an attack that has been stifled at the start of games.
But they need to be aware of the mercurial man that is Russell, who will look to piece apart the defence like England did last week.
Wallabies by 4