Rubuta ci gaba don wannan sakin layi - A ranar 28 ga Yuni, 2013, an gayyaci Gauthier zuwa sansanin ci gaban bazara na Ƙungiyar Ƙungiyar Ƙasar Kanada. Bayan yin jerin sunayen, ya kasance mamba ne na tawagar zinare ta Kanada a gasar zakarun duniya ta 2013 na IIHF U18
Ka yi haƙuri. A shekara mai zuwa, an sake gayyatar shi zuwa sansanin ci gaban bazara na Ƙungiyar Ƙungiyar Ƙungiyar Ƙungiyar Ƙasar Kanada kafin gasar zakarun duniya ta Junior Ice Hockey ta 2014. Bayan yin jerin sunayen karshe, Team Canada ta yi rashin nasara a wasan kusa da na karshe zuwa Finland kuma ta kasa samun lambar yabo a kan Rasha. Yayin wasa a wasanni shida, Gauthier ya yi rikodin taimako guda ɗaya kuma ya ƙare da -2 Plus<unk>minus.