Saud Shakeel's fighting century guided Pakistan to 344 all out on day two of the series-deciding third test against England in Rawalpindi on Friday, a first-innings lead of 77 runs.
Shakeel scored 134 in a marathon stay to help Pakistan gain a crucial lead after England's 267.
Legspinner Rehan Ahmed was the pick of the England bowlers with 4-66.
The series is tied 1-1.
PAKISTAN: Shan Masood (captain), Saim Ayub, Abdullah Shafique, Kamran Ghulam, Saud Shakeel, Mohammad Rizwan, Salman Agha, Amir Jamal, Sajid Khan, Noman Ali, Zahid Mehmood
ENGLAND: Ben Stokes (captain), Zak Crawley, Ben Duckett, Ollie Pope, Joe Root, Harry Brook, Jamie Smith, Gus Atkinson, Rehan Ahmed, Jack Leach, Shoaib Bashir