H. Vandermersch plays a crucial role in FC St. Gallen's defensive strategy. As a midfielder, he is responsible not only for forward movement but also for providing stability at the back. His ability to quickly transition the ball and take on defensive duties has made him an important figure in the Espen's tactical setups. Vandermersch's intelligent positioning helps minimize opposition pressure and ensures that FC St. Gallen defends solidly. The integration of Vandermersch into the defense allows FC St. Gallen to react more flexibly to different playing styles. His presence in midfield enables defenders to retreat more securely, knowing that he is capable of reading the game and intervening in time. This style of play has proven to be highly effective in numerous matches.