Dav Whatmore signed off as head coach by Pakistan defeating Sri Lanka in third Test.
Pakistan have to score another 195 in the remaining 35 overs or bat out for a draw.
Pakistan have only two sessions to win the match and level the series with Sri Lanka.
Pakistan trail by a further 409 runs in the first essay.
Sri Lanka were 302 for six in their first innings at lunch on the second day.
Sri Lanka lose Kaushal Silva as they end first session at 61 for 1.
Sri Lanka have won the toss and elected to bat in the third Test against Pakistan at Sharjah.
Hafeez and Talha returned to Pakistan's 15-man squad for the three-Test series against Sri Lanka.
Umar Gul couldn't to impress the national selectors in his comeback bid.
The Pakistan Cricket Board (PCB), in a first, has issued short term four month contracts to six cricketers who were not included in the original list of players to be given central contracts earlier this year.