The 19-year-old Mansoor, who took three wickets in Zimbabwe's first innings and known more for his bowling exploits, let his bat do the talking as the visitors bounced back from the early reversals to reach 203 for six at stumps. gaining a first innings lead of 314 runs.
Mansoor played like an accomplished batsman and perhaps taught a lesson or two to their frontline batters on his way to an unconquered 54. Naumanullah was giving him company on six.
First innings centurion Hasan Raja continued his rich vein of form scripting a solid 43 as the visitors looked primed to set the home side a big total to chase.
Earlier resuming at the overnight score of 164 for five, the Zimbabwe 'A' folded up for 200.
Justice Chibhabha, who was holding fort with a painstaking 56 could add only three to his overnight score before he fell to Mohammad Asif.
For Pakistan 'A', Mohammad Asif bowled with lot of hostility and was rewarded with three wickets.
Brief Scores: Pakistan 'A' First Innings: 311 all out. Zimbabwe 'A' First Innings: 200 all out. Pakistan 'A' Second Innings: 203/6.