Whakaoti i te rerenga e whai ake nei: I tana wa rookie, i whakaingoatia a Roy hei kaitiaki awhina mo te roopu me te whakataetae ki a Team Canada Quebec i te 2014 U17 World Hockey Challenge. I mutu tana pakanga rookie e tuhi ana i nga whaainga 16 me nga awhina 25 i roto i nga keemu 63 o te waa auau. I mua i te wa o te 2014-15 QMJHL, i whakataetae a Roy mo Team Canada i te
Ko te Hlinka Gretzky Cup, i riro ai i a ia he mētara koura. Ko tana kaupapa tuarua i angitu ake i tana tuatahi i te mea i tohua ia mo te CHL Top Prospects Game me te whakatakoto i nga taumata hou mo nga whaainga, awhina, me nga tohu. I te Paenga-whawha 15, 2015, i whakaingoatia a Roy ki te raarangi whakamutunga a Team Canada i mua o te 2015 IIHF World U18 Championship.