In 2017, Vanasch was named the FIH Goalkeeper of the Year. At the 2018 Hockey Stars Awards he was named the FIH Goalkeeper of the Year for the second time in a row. At the 2019 EuroHockey Championship, where Belgium won its first European title, he was named the goalkeeper of the tournament. In December 2019, he again was nominated for the FIH Goalkeeper of the Year Award. On 11 February 2020, he was awarded his third FIH Goalkeeper of the Year Award. On 25 May 2021, he was selected in the squad for the 2021 EuroHockey Championship.