After a goalless first half, the match stayed tense and finely balanced for long stretches at Mikheil Meskhi Stadium. US Mondorf-Les-Bains eventually found the breakthrough in the 86th minute when Couturier struck to make it 1-0 on the night, a blow that pushed the contest beyond 90 minutes.
Extra time brought Dinamo's response. Ninua stepped up in the 110th minute and converted from the spot, hauling the home side back to 1-1 and restoring control of the tie. There were no further scoring changes before the final whistle, leaving Dinamo to see out a hard-fought night on home soil.
The late exchange defined the highlights and the wider summary. Mondorf-Les-Bains threatened to turn the tie with Couturier's finish, but Dinamo answered in time and protected the edge earned in the first leg. The final score on the night was level, yet the result still belonged to the Georgian side, who survived a scare and moved on after extra time.