He won the first prize in the male vocalist category and the Grand Prix at the 2015 International Tchaikovsky Competition. In 2015, Ariunbaatar performed at the Bolshoi Theatre in Moscow and at the Cadogan Hall in London, and he sang Yeletsky's Aria from Tchaikovsky's The Queen of Spades at Buckingham Palace.BBC Cardiff Singer of the World bio. Accessed 17 July 2017. During 2016, he performed the roles of Escamillo (Carmen) and Baron Scarpia (Tosca) at the Mariinsky Theatre in Saint Petersburg. He also performed for the 60th General Assembly of the World Federation of International Music Competitions in Yerevan, Armenia. He was jointly awarded the Song Prize award at the 2017 BBC Cardiff Singer of the World competition, singing Rossini, Verdi, and Tchaikovsky, and in Mongolian.
