A competitor for Belarus, Khramiankou has been wrestling on the international scene dating back to 2013 when he finished fifth at the cadet European championships. Khramiankou also had no issues making the jump to the junior level finishing with a bronze at the European championships, and a silver at the junior world championships in 2015. Khramiankou followed up his performance at the junior worlds with a bronze medal finish at the 2016 junior worlds and in 2017 was a silver medalist at the U23 world championships.