Mezue ahịrịokwu na-esonụ: Grigorenko buru ụzọ nọchite anya Russia dị ka onye dị afọ 15 na 2009 Ivan Hlinka Memorial Tournament ebe Russia kwụsịrị nke abụọ. N'ime ọtụtụ ọrụ ntorobịa mba ụwa na Russia, Grigorenko nyeere Russia aka ịnakọta ihe nrite atọ na-esote na World Junior Championships, na ọla ọcha na Canada na 2012 sochiri ọla nchara ọla abụọ na obodo ya Russia na 2013 na Sweden na
Afọ 2014.