Australia vice-captain Michael Clarke is set to be rested in a bid to be 100 per cent for the Ashes opener at the Gabba.
Clarke has been struggling with a chronic back injury and will now sit out New South Wales' Sheffield Shield clash with Tasmania.
And Australia's chairman of selectors Andrew Hilditch believes the break will do Clarke the power of good.
"To be perfectly frank I think it would have been a good idea (for Clarke) to miss this Shield game anyway," Hilditch said.
"He's played a lot of cricket. Michael doesn't have as many breaks as some of the other players.
"Michael's basically had no breaks for a long period of time.
"I would have liked him not to play this Shield game irrespective. I think it's a good opportunity to get fully fit for Brisbane."
Clarke is one of a number of Australia players struggling, forcing Hilditch to unveil an extended 17-man squad for the first Test in Brisbane.
However opener Phil Hughes was overlooked in favour of Usman Khawaja and Callum Ferguson.
And Hilditch said the 21-year-old was omitted due to a poor run of domestic form, with Hughes managing just 78 runs from three first-class and two domestic one-day innings.
"Phillip's playing for Australia A (against England in Hobart) this weekend and obviously I've spoken to Phil this morning and he's disappointed, but he needs to score runs," Hilditch said.
"On the other side of the coin we're really happy with our opening partnership (of Shane Watson and Simon Katich) and Phil's primarily trying to crack into that spot.
"We would consider him in a middle order position but at the moment we think the two young players (Usman Khawaja and Callum Ferguson) from Australia A that we've picked are in a bit better form and ready to go."
Joining Hughes in the Australia A team will be Clint McKay, with the Victoria seamer replacing the injured Mitchell Starc.