[1][2] During his amateur career in Russia, Gradovich compiled a record of 127 wins and 23 losses, and made it on the Russian national boxing team.

[3] In April 2011, Gradovich beat undefeated Aalan Martínez at the Cosmopolitan Resort in Paradise, Nevada.

[4] On 1 March 2013, Gradovich scored an upset win over Billy Dib to take his IBF Featherweight Championship.

[6] In June 2013, Gradovich successfully made first title defence by defeating Argentine Mauricio Munoz in a one-sided contest.

[7] On 24 November 2013, he fought again against Dib, on the Manny Pacquiao vs. Brandon Rios undercard.