In the U20 World Cup semi-finals, Morocco eliminated France and Argentina through a penalty shootout to meet in the final. In this game, Morocco U18 coach Mohamed Ouahbi successfully applied a new rule introduced by FIFA.

Due to questioning the referee's possible misjudgment, Wahbi used the VAR "challenge card" and asked the VAR referee to review. This new rule is being trialled at the U20 World Cup and will be widely adopted if it works well.

According to the rules, each half of the opposing team will have a VAR "challenge card". If the challenge is successful (the referee's decision is changed), the team can keep this card. However, if it fails, the team will lose this card. Furthermore, any challenge must be made within seconds of the event.