H. Vandermersch plays a central role in FC St. Gallen's playing system. As a versatile midfielder, he is capable of operating both defensively and offensively. His agility and game intelligence make him an important figure in the squad. Coaches can rely on his skills to choose the right tactics in various match situations.

Last season, Vandermersch often showcased his ability to read the game and deliver key passes. This technical talent allows FC St. Gallen to dictate the tempo and effectively shape attacks. His positioning on the field is crucial to creating spaces for other players while stabilizing the defensive structure.

Looking ahead to the upcoming season, Vandermersch could take on an even more central role in the team. His strong understanding of FC St. Gallen's playing style will help him build effective partnerships with other players. If he continues to stay in top form, he could become a key figure for the club's success.