An excellent fielding effort by Saim Ayub at point stopped certain runs off the first delivery.
Hit and a miss off the second and third deliveries as van der Merwe felt the pressure. He struck the fourth delivery up into the air, only to be caught by captain Salman Ali Agha through an excellent effort.
The last ball was struck for a four in what was otherwise an excellent over.
Four wickets have fallen in the last 30 deliveries.
