Wallabies captain Harry Wilson says the team has taken inspiration from their earlier win over the Springboks as they hunt for a rebound win over Scotland on Monday (AEDT).
With the team on a three-game losing streak, Wilson and the side are looking to recapture the same 'ruthless' attitude that saw them take down the world number one side in Perth.
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On that night, the Wallabies blew out South Africa in the first hour before finding a way to hold on, even as several players were carded in the final 15 minutes.
"We've looked back on some of the pictures in that South Africa game about what we do when we're at our best, how hard we work for each other," he explained.
"Just the ruthless mindset we had there and that's what we want to see more of this weekend. We know Scotland are coming off a tough loss to the All Blacks and we know how much they'll want to bounce back too.
"It's going to be two teams really going at it and wanting this result and I just hope we'll be in for a really good shot."
The Springboks are coming off their own surprise defeat to France as part of an upset-filled Nations Championship weekend, headlined by Wales' defeat of New Zealand.
Defensive pressure was the common theme in both victories, with Wilson eager to produce their own heroics following England's record win last week.
"We want to be a team in defence [that] wants to go get teams. We want to be physically imposing and we haven't been that over our last three matches and we need to be it tomorrow and I've got utmost confidence that we're going to be like that," the skipper said.
"In attack, just the way the French team, they just back themselves and they move the ball around because that's what they're good at and that's what we're good at. Depending on what the conditions are like, we're really going to back ourselves in attack and I can't wait to do it."
The Wallabies attack is boosted by the return of flyhalf Carter Gordon, set for his first appearance since breaking his leg in Argentina.
"Carter's a really big voice in our group. He demands a lot from a lot of people, which is what I love to see," Wilson said.
"The moment he walked in on Tuesday and was named, he's really taken ownership there. He wants to run this team and he wants to put us in the right positions on the field. He's got all our confidence and if he puts us in the right spots, we'll make sure we make the night easier for him."
Light rain is expected for tomorrow's game with conditions near freezing throughout the week, leaving the Aussies unfazed.
"We've got a couple of plans depending on our conditions. Ultimately, our game doesn't change too much, but we'll be putting the ball more into contests," Wilson added.