Armenian boxer Aik Shakhnazaryan (Russia) and Eduard (Russia) faced each other for the vacant International Boxing Organization (IBO) super lightweight world championship title during a professional boxing event in Moscow.
And Troyanovsky, 34, defeated his 21-year-old opponent by knockout in Round 8.
As a result, Shakhnazaryan, who has won fifteen bouts so far, suffered his second defeat in professional ring.
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