Australia all-rounder Beau Webster believes Nahid Rana’s absence is a big blow for Bangladesh heading into the Tests in Darwin and Mackay, but says Australia also face an element of the unknown with Bangladesh’s bowling attack.

West Indies have been set a daunting victory target of 301 after Australia were dismissed for 310 on the stroke of tea on the third day of the first Test at Kensington Oval on Friday.

Out-of-form all-rounder Mitch Marsh was axed Thursday from Australia's team for the series-deciding fifth Test against India in Sydney with Beau Webster to make his debut.

Webster was added to the squad following his recent good showing in red-ball cricket including the two-game series against India ‘A’.