Pakistan middle-order batsman Faisal Iqbal has criticised opener Imamul Haq after a picture of the latter having a laugh with Australia coach went viral on social media, after the visitors’ embarrassing innings defeat in Adelaide.

Imam had a disappointing outing in the second Test against Australia, bagging scores of 2 and 0 in the first and second innings, respectively.

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“Shameful pic of imam after failing as a batsman plus losing the Test Series 2-0,” said Iqbal in a tweet.

Imam’s picture also stirred quite a debate on Twitter, with some people slamming the cricketer for not feeling remorse after a defeat.

Some users also came to Imam’s defense and said that people should not make an issue out of a candid chat between competitors.

Spin king Nathan Lyon snared five wickets, including dangerous half-century makers Shan Masood and Asad Shafiq, as Australia wore down a stubborn Pakistan to clinch the second Test and wrap up the series 2-0 Monday.

Pakistan resumed day four of the day-night match on a precarious 39 for three with Masood not out 14 and Shafiq on eight after being bowled out for 302 in their first innings and forced to follow on.

It followed Australia's mammoth 589 for three declared, built around David Warner's exceptional 335 not out — the 10th highest Test score of all time.

Needing another 248 to force Australia to bat again and avoid a second successive innings defeat, they had a decent crack but were eventually all out for 239 with the home team claiming victory by an innings and 48 runs.