Australia currently trail the Ashes series 2-1 after their loss to England in the third Test match, which ended in three days at Edgbaston in Birmingham. Barring Chris Rogers and Steve Smith, other Australian batsmen have failed to live up to the expectations.

To a certain extent, David Warner has also played some useful knocks in the series, but batsmen such as Michael Clarke and Adam Voges have been a major disappointment, hence the latter's inclusion in the fourth Test at Trent Bridge has come under a dark cloud, as the right-hander could be replaced by Shaun Marsh.

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Marsh has been unlucky to miss out in the series as he was decent against India. Marsh even played against West Indies in June, while also playing a few nice knocks in the practice games leading up to the Ashes.

The left-hander could not find a starting place in the Ashes primarily due to the top order being occupied by Rogers -- who missed the West Indies Test series with concussion -- Warner and Smith. With these three players performing well, Marsh only has a chance to come in the middle order to showcase his skills.

Marsh has been in terrific form and he has not missed an opportunity to impress the thinktank, as he has scored two centuries for Australia in the warm-up matches against Kent and Derbyshire. Coach Darren Lehmann is aware of Marsh's form and feels he could get a look in.

"He's knocking the door down hard, isn't he," Lehmann told Adelaide radio station FIVEaa.

"He was very good in the West Indies for us. He's starting to work it out as you do when you get to that sort of age.

"You start to be in the prime and really understand your game well."

Despite the form he has shown of late in England, Lehmann is not in favour of ringing in changes for the fourth Test at Trent Bridge.

"We'll have to work out if we can fit him in or not," he said.

"You don't like to change too much. This side beat England by 405 runs [in the second Test at Lord's].

"We'll just have to wait and see with where we go ... it will be interesting to see what sort of wicket we get."