The Australian skipper has secured 309 wickets in 71 five-day games with an stellar bowling average.
Australia's selection chief the selector has stated that skipper Cummins will have a crucial role in the upcoming historic rivalry.
There were concerns that the veteran bowler might miss the series due to a ongoing back issue that was still troubling him.
Earlier indications from the squad suggested no final decision had been made regarding Cummins' participation, with the extended contest set to start on the 21st of November in the WACA.
Bailey expressed that the captain is progressing and remained hopeful about his chances of participating.
"We know that time is getting short and there are permutations involved, not only the physical problem, but additional elements," the selector added.
"The outlook is good. We firmly believe that he's going to play a major part. Ideally starting in Perth. If not, we'll reassess."
The captain missed Australia's limited-overs series against India and New Zealand in the previous weeks after examinations confirmed a lumbar bone stress.
Previous incidents include of back injuries, with flare-ups in 2012-13, 2013-14 and 2015-16 leading to absences from multiple domestic campaigns in a limited period.
Cummins stated he would be bold in recovery efforts in his recovery plan to make the squad for the series.
He mentioned that he did not know if the captain had resumed bowling as part of his recovery but acknowledged it was "becoming urgent" for him to regain fitness for the initial match.
Should Cummins not be fit, veteran batsman Smith will assume leadership.
All-rounder Cameron Green was recently pulled out from the national team for their limited-overs matches against the Asian giants as a safety move because of soreness in his side.
The selector characterized it as a "small issue and confirmed that he'll feature in the Sheffield Shield, so will be "well-prepared to deliver overs."
"We put so much time has gone into developing the strategy for him to be available for the initial game as an dual-role player," Bailey explained.
"His involvement was limited to the starting games anyway. His aggressive style the willow in shorter formats, if it causes any delay for a short period, the choice was made to adopt a safer strategy."
The Historic Rivalry
From November 21, 2025 to January 7, 2026
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