The Umayyad army retreated Escaping in haste before the Türgesh arrived Arriving , managing Control to cross Motion_directional the Oxus river just in time , while their rearguard Collaboration engaged Participation the pursuing Türgesh .

The failure Earnings_and_losses of the Umayyad campaign Military_operation meant Statement the complete collapse of the Arab control Control in the Upper Oxus valley , and opened Openness Khurasan itself to the Türgesh .