Kammala wannan jumla: Karapetyan ya lashe lambar azurfa a gasar
1995 Gasar Cin Kofin Duniya ta Duniya don kasarsa ta Armenia. Ya yi gasa a Wasannin Olympics na 1996, yana wakiltar Armenia, yana zuwa a matsayi na 13, kuma a Wasannin Olympics na 2000, yana wakiltar Ostiraliya, yana zuwa a matsayi na 10. A cikin 2007 an dakatar da Karapetyan na tsawon shekaru biyu bayan ya yarda da yin amfani da benzylpiperazine.