It is interesting that the same rivals met just four days ago in Ligue 1, when Lens also celebrated, then with a score of 3:2.
As for tonight's match, the home team took the lead in the ninth minute with a goal from Florian Tauvin from the penalty spot.
In the 18th minute, Lens doubled their lead through Alain Saint-Maximin after an assist from the lead goal scorer.
Just three minutes later, the guests halved the deficit with a goal from Santiago Hidalgo.
However, Matjeu Udol brought Lans back to plus two in the 35th minute.
The final score was set by Adrijen Tomason in the 74th minute.
Bulatović watched the match from the bench.
Lens will play for the Cup trophy with the winner of the second semi-final, which will feature Strasbourg and Nice.
The team from the "Bolear-Delelis" stadium is also fighting for the championship title, because with a game in hand, they are only one point behind PSG.