Australia opener Will Pucovski failed a fitness test ahead of the fourth Test on Thursday (January 14) and was ruled out of the series decider against India.

Pucovski, who was included in the third Test after missing out first two matches, will be replaced by Marcus Harris. He could have debuted in Adelaide if not for the concussion he suffered during the warm-up game against India. 

"Will Pucovski won't play tomorrow," said Australia captain Tim Paine. "He tried to train this morning and didn't quite come up, so he will have a bit of work to do with our medicos, I'd imagine, to see where he goes from here.

"He's missing this Test match and Marcus Harris will replace him."

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Paine said there is likely to be only one change after a draw at SCG on Monday (January 11). They had a good chance of winning the third Test but failed after a fightback by India.

Harris, who is coming in for Pucovski, has played nine Test matches for Australia. He made his debut against India a couple of years back.

"He'll come in and open the batting and looking forward to seeing what he can do," said Paine. "He's a no-fuss, very good player."

Australia (probable XI): David Warner, Marcus Harris, Marnus Labuschagne, Steve Smith, Matthew Wade, Cameron Green, Tim Paine (capt), Pat Cummins, Mitchell Starc, Nathan Lyon, Josh Hazlewood

(With ANI Inputs)