During the Battle of Jalula Mihran engaged his troops in an open battlefield, Hashim ibn Utbah decided to carry out his maneuver. He dispatched a strong cavalry regiment under one of his most illustrious cavalry commanders; Qaqa ibn Amr to capture the bridge over the entrenchments. The bridge was not heavily guarded as virtually all the Persian troops available were used to assault Muslim army's main rank. Qaqa maneuvered around Persian right flank quickly captured the bridge at their rear. The news of a strong Muslim cavalry detachment in their rear was a serious setback to Persian morale. Hashim launched a frontal attack with Muslim infantry while Qaqa stuck at Persian rear with his cavalry. Thus resulted the Sassanid Army trapped and routed in result.