In 2018, Adamian won the silver medal in the men's 100 kg event at the Judo Grand Prix Antalya held in Antalya, Turkey. In that same year, he won the gold medal in the men's 100 kg event at the 2018 European U23 Judo Championships held in Győr, Hungary. In 2020, he won the silver medal in the men's 100 kg event at the European Judo Championships held in Prague, Czech Republic.
