On July 2nd at midnight, in the UEFA Euro Round of 16, France narrowly defeated Belgium 1-0. After the match, Koundé was voted as the Player of the Match.
Koundé played a full 90 minutes, registering 85 touches, 63 successful passes out of 63 attempts, creating 5 goal-scoring opportunities, and defensively making 1 tackle and winning back possession 7 times. He also succeeded in 5 out of 5 physical duels.