He won the gold medal in the men's 72 kg event at the 2021 World Wrestling Championships held in Oslo, Norway, and he also won the gold medal in the men's 77 kg event at the 2022 European Wrestling Championships held in Budapest, Hungary.

In 2020, Amoyan won the silver medal in the 72 kg event at the Individual Wrestling World Cup held in Belgrade, Serbia.

[1][2] Amoyan won the gold medal in the 72 kg event at the 2021 World Wrestling Championships held in Oslo, Norway.

[5][6] Amoyan won the gold medal in the 77 kg event at the 2022 European Wrestling Championships held in Budapest, Hungary.

[9] Amoyan also won one of the bronze medals in the 77 kg event at the 2023 World Wrestling Championships held in Belgrade, Serbia.