The meeting held in Warsaw ended with the score 0-0.
The return match will take place at the home stadium of the Stephen Gerrard Ibrox team in Glasgow. The game will be held on August 29. The winner of the confrontation will perform in the group stage of the Europa League.
The current head coach of the Russian national football team, Stanislav Cherchesov, headed the Legia from 2015 to 2016.
Earlier it was reported that the winner of the confrontation will perform in the group stage of the Europa League.