He also won the gold medal in the men's 100 kg event at the 2019 European Games held in Minsk, Belarus.

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.

[3] In 2021, Adamian won one of the bronze medals in his signature event at the Judo World Masters held in Doha, Qatar.

[4][5] At the 2021 Judo Grand Slam Abu Dhabi held in Abu Dhabi, United Arab Emirates, he won the gold medal in the 100 kg event.