Grigorenko akatanga kumiririra Russia aine makore gumi nemashanu pa2009 Ivan Hlinka Memorial Tournament uko Russia yakapedza yechipiri. Mumutambo wake mukuru wepasi rose wechidiki neRussia, Grigorenko akabatsira Russia kuunganidza menduru nhatu dzakateedzana paWorld Junior Championships, nemenduru yesirivheri muCanada muna 2012 ichiteverwa nemenduru mbiri dzebronze kumusha kwake kuRussia muna 2013 neSweden muna 2014
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