Below we look at some of the key moments of the match.
Rangers' Pedro Mendes celebrates after Rangers go 1 - 0 ahead in the second minute
FC Unirea Urziceni's Serban Dacian Varga challenges Rangers' Sasa Papac.
Rangers donated a section of their traditional away end to the armed forces
for the Group G match.
Steven Davis has his penalty shot saved by Unirea Urziceni's goalkeeper Daniel Tudor
Rangers' goalkeeper Allan McGregor reacts after FC Unirea Urziceni score their second
Rangers David Weir, Lee McCulloch, and Jerome Rothen stand dejected after conceding a third goal.
Allan McGregor watches as Pablo Brandan scores Unirea Urziceni's fourth.
FC Unirea Urziceni's Tiberiu Balan,Serban Varga, Ricardo Vilana and Vasile Maftei, celebrate their fourth goal.