In that same year, he also competed in the men's +100 kg event at the 2017 World Judo Championships held in Budapest, Hungary.

In 2018, he won the silver medal in the men's +100 kg event at the European U23 Judo Championships held in Győr, Hungary.

In 2020, he lost his bronze medal match in the men's +100 kg event at the European Judo Championships held in Prague, Czech Republic.

[7] He also competed in the men's +100 kg event at the 2021 World Judo Championships in Budapest, Hungary where he was eliminated in his second match by Iakiv Khammo of Ukraine.

In 2021, Hegyi competed in the men's +100 kg event at the 2020 Summer Olympics held in Tokyo, Japan where he was eliminated in his first match by eventual bronze medalist Teddy Riner of France.