Rangers hold a 2-0 lead from the first leg at Ibrox as they prepare to face Progres Niederkorn in Luxembourg this evening.
Steven Gerrard's side are aiming to reach the third qualifying round of the Europa League, where they would face Danish outfit Midtjylland.
Aberdeen earned a 1-1 draw in Tbilisi against Chikhura Sachkhere last week and take on the Georgian team at Pittodrie.
Derek McInnes' side will play Rijeka of Croatia if they progress to qualifying round three.