 The 9th Army units on Falkenhayn's far left flank consisted in the Austro-Hungarian 71st Infantry and 1st Cavalry Divisions.These had advanced through the Oituz Pass to the border, but had then been halted by the Romanian 15th Infantry Division, under General Eremia Grigorescu.Attacking on 14 October, the 71st Infantry Division managed to advance across the border into Romania, but was then met by the Romanian 15th Infantry Division.