Smetov won a gold and a bronze medal at the World Cup among youth, in 2010 and 2011, respectively. Since 2012 he was part of the adult national team. He won a bronze in the 2013 Asian Judo Championships in Bangkok, a silver at a stage Gran Prix in Samsun, a stage of the European Cup to Tbilisi, and gold at an open European Cup in judo in Warsaw. Smetov's first coach was Akhmet Zhumagulov.