Pakistan's Babar Azam, left, and Abdullah Shafique leave the ground after end of the fourth day play of the second test match between Pakistan and Australia at the National Stadium in Karachi Pakistan.
Australia's skipper Pat Cummins and teammates leave the ground after end of the fourth day play of the second test match between Pakistan and Australia at the National Stadium in Karachi Pakistan.
Pakistan's Babar Azam celebrates after completing his century during the fourth day of the second test match between Pakistan and Australia at the National Stadium in Karachi Pakistan.
Pakistan's Babar Azam, right, plays a shot while Australia's Alex Carey watches during the fourth day of the second test match between Pakistan and Australia at the National Stadium in Karachi Pakistan.
Pakistan's Abdullah Shafique reacts after completing fifty during the fourth day of the second test match between Pakistan and Australia at the National Stadium in Karachi Pakistan.
Australia's Mitchell Swepson bowls during the fourth day of the second test match between Pakistan and Australia at the National Stadium in Karachi Pakistan.
Australia's Cameron Green, center, reacts after taking the wicket of Pakistan Azhar Ali during the fourth day of the second test match between Pakistan and Australia at the National Stadium in Karachi Pakistan.
Pakistan's Azhar Ali, right, and Abdullah Shafique walk back to pavilion on the lunch break during the fourth day of the second test match between Pakistan and Australia at the National Stadium in Karachi Pakistan.
Australia's Nathan Lyon, second left, celebrates with teammates after taking the wicket of Imam-ul-Haq during the fourth day of the second test match between Pakistan and Australia at the National Stadium in Karachi Pakistan.
Pakistan's Shaheen Shah Afridi, right, celebrates with teammates after the dismissal of Australia's Marnus Labuschagne during the fourth day of the second test match between Pakistan and Australia at the National Stadium, in Karachi Pakistan.
Australia's Marnus Labuschagne is bowled out by Pakistan's Shaheen Shah Afridi during the fourth day of the second test match between Pakistan and Australia at the National Stadium, in Karachi Pakistan.
