 Tavares akamiririra Canada pamitambo mishanu yakatenderwa neInternational Ice Hockey Federation IIHF, kusanganisira World Championships ya2010 na2011. Pamatanho evanhu vari pasi pemakore makumi maviri, akahwina menduru dzegoridhe pa2008uye 2009 World Junior Ice Hockey Championships. Akatumidzwa zita remutambi anokosha kwazvo mumutambo wa2009 mushure mekukora zvibodzwa zvisere uye mapoinzi gumi nemashanu mumitambo mitanhatu. Akatorawo chikamu mu2006 IIHF World U18 Championships, asi akakundikana kuwana menduru. Mukuwedzera, Tavares akamiririra Team Ontario pa 2006 World U-17 Hockey Challenge uye 2007 Super Series. Musi waNdira 7, 2014, akatumidzwa zita rekuti 2014 Canadian Olympic Hockey Team, kuhwina menduru yegoridhe pa2014 Winter Olympics kunyangwe akakuvara akamutadzisa kutora chikamu mumitambo miviri yekupedzisira. 