Kammala jumla mai zuwa: An fara zaɓar Mironov ne don yin wasa a matakin ƙasa da ƙasa tare da Teamungiyar Under-18 ta Rasha a Gasar Cin Kofin Duniya ta U18 ta IIHF ta 2012 a Jamhuriyar Czech. Ya taka leda a wasanni 6 na Rasha a kan hanyar zuwa 5th-place. Mironov, wanda ya wakilci Rasha a 2013 da
Gasar Zakarun Duniya ta 2014, yana taimaka wa kasarsa ta samu lambar tagulla a duka abubuwan biyu yayin da yake ba da gudummawar maki shida a gasa 14.