Rubuta ci gaba don wannan sakin layi - A lokacin da ya fara wasa, Roy ya zama mataimakin kyaftin din tawagar kuma ya yi gasa tare da Team Canada Quebec a gasar cin kofin duniya ta U17 ta 2014. Ya gama kamfen dinsa na rookie yana yin rikodin kwallaye 16 da taimakawa 25 a wasanni 63 na kakar wasa. Kafin kakar 2014/15 QMJHL, Roy ya yi gasa ga Team Canada a gasar Hlinka Gretzky
, inda ya lashe lambar zinare. Yaƙin neman zaɓe na biyu ya tabbatar da samun nasara fiye da na farko yayin da aka zaɓe shi don Wasan CHL Top Prospects kuma ya kafa sabon matsayi a cikin manufa, taimakawa, da maki. A ranar 15 ga Afrilu, 2015, an kira Roy zuwa jerin 'yan wasan karshe na Team Canada kafin gasar cin kofin duniya ta 2015 ta IIHF.