Australia coach Lehmann: I always feel pressure

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Head coach Darren Lehmann insisted he always feels pressure amid Australia's ongoing struggles ahead of the third and final Test against South Africa.

Australian cricket hit a new low following last week's humiliating innings and 80-run defeat to South Africa in Hobart, which handed the Proteas an unassailable 2-0 series lead.

No one has been spared criticism, with Lehmann - contracted through to 2019 - under fire for Australia's five consecutive Test losses.

But Lehmann said pressure is part and parcel of the job as Australia prepare to face South Africa in a day-night Test in Adelaide, starting Thursday.

"Yeah I always feel pressure," Lehmann told Melbourne radio station SEN 1116.

"I think when you don't have success there's pressure on everyone whether it's selectors, coaches or players.

"So for us all we can do is we've got to mandate for change obviously, we've done that, now it's a case of getting these guys to play good cricket. If you don't, well it's not up to me."

Australia's woes have sparked a drastic overhaul of the squad heading into the Adelaide match.

Uncapped quartet Matthew Renshaw, Peter Handscomb, Nic Maddinson and Chadd Sayers have been included in the 12-man team, with wicketkeeper Matthew Wade and paceman Jackson Bird also recalled.

Joe Burns, Adam Voges (concussion), Callum Ferguson, wicketkeeper Peter Nevill and Joe Mennie dropped out as a result.

And Lehmann is relishing the opportunity to test his coaching skills with the younger generation.

"It does a little bit [change the way I have to coach]," said Lehmann. "The bonus for the young kids coming in is they're fresh, untainted, they're going to be youthful and have some excitement about them.

"So the challenge for us is going to be to harness that and to play cricket the right way.

"Obviously our performances haven't been up to scratch, there's no hiding that fact and we've got to play better."