Kammala wannan jumla: A watan Disambar 2018, an kira Lafrenière zuwa Team Canada
2019 IIHF Gasar Cin Kofin Duniya ta Duniya. Shi ne mafi ƙanƙanta memba a kan roster da tara-youngest gaba har abada wakiltar Canada a cikin Duniya Juniors. Ya zira kwallaye na farko, kuma kawai, burin gasar a lokacin da Kanada ta lashe 5<unk>1 a kan Jamhuriyar Czech. Daga baya Team Finland ta fitar da Kanada a wasan kusa da na karshe.