Kammala wannan jumla: A gasar tunawa da Ivan Hlinka a shekarar 2012, Petan ya taimaka wa tawagar 'yan kasa da shekaru 18 ta Canada ta lashe lambar zinare. A lokacin kakar 2013-14, ya wakilci WHL a cikin Subway Series, sannan ya taka leda a tawagar 'yan kasa da shekaru 20 ta Kanada a Gasar Kofin Duniya ta Junior Ice Hockey ta 2014. An gayyace shi ya sake wakiltar Kanada a
2015 Gasar Kofin Duniya na Junior Ice Hockey, inda ya kasance mai taimakawa wajen lashe lambar zinare ta Kanada, gami da zira kwallaye uku a kan Slovakia a wasan kusa da na karshe.