McSweeney will captain Australia A in two four-day games against India A, the first starting in Mackay on Thursday.
The Queensland-born batter has enjoyed a blistering start to the domestic season for South Australia to rocket into contention for a Test debut in the blockbuster battle for the Border-Gavaskar trophy.
But he will have to convince selectors he can open at Test level while batting at No.3 - at least in the first Australia A match.
Marcus Harris and Cameron Bancroft, who have played 24 Tests between them, will get first crack as Australia A's openers.
Young Sam Konstas is also in contention to partner Usman Khawaja at the top of the order. (James Ross/AAP PHOTOS)
McSweeney and NSW teenager Sam Konstas are also in line to partner Usman Khawaja in the first Test in Perth, starting on November 22.
But the pair will have to push their case from No.3 and No.4.
"I feel like I've been playing some really good cricket, and I feel like my game is progressing each year and hopefully I continue to do that," McSweeney told reporters in Mackay on Wednesday.
There's so many guys that are playing well and hopefully we can all take (the opportunity) and make it a really hard job for the selectors.
"I think I'm playing probably the best cricket I have.
"Batting No.3 for South Australia, and pretty much my whole career, it's not too dissimilar to opening.
"All my prep's with the new ball, so I feel like my game's ready.
"Hopefully I can get an opportunity. If not, I'll keep trying to get better."
Australia's white-ball wicketkeeper Josh Inglis had been considered a bolter to make his debut as Test opener, but chairman of selectors George Bailey this week ruled the Western Australian out of a shock promotion to the top of the order.
Steve Smith will bat at No.4 for Australia in the series against India. (Darren England/AAP PHOTOS)
Steve Smith's time as a Test opener lasted just four Tests, with the star veteran sliding back to his preferred No.4 after allrounder Cameron Green's need for back surgery ruled him out of the summer.
India A's squad features only two players who made the country's Test squad to take on Australia.
Top-order batter Abhimanyu Easwaran and pace-bowling allrounder Nitish Kumar Reddy, who are both uncapped, will try to press their case for selection in the two games against Australia A.
Wicketkeeper Ishan Kishan's two career Tests came against the West Indies last year, while fast bowler Navdeep Saini played in India's famous series-winning triumph against Australia at the Gabba in 2021.
Despite being successful on their last two tours of Australia, the star Indian squad will leave their country under-siege after losing a home Test series against New Zealand for the first time.
Down 2-0, India still have to play the third and final Test - starting on Friday - before travelling to Australia to defend the Border-Gavaskar trophy they have held since 2017.
There will be just three days off after Mackay before the final 'A' game takes place at the MCG, starting on November 7.
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