In 2021, he won one of the bronze medals in the 97 kg event at the 2021 European Wrestling Championships held in Warsaw, Poland.

[1][2] In 2019, Stadub lost his bronze medal match in the 87 kg event at the European Wrestling Championships held in Bucharest, Romania.

[3] He also lost his bronze medal match in the 87 kg event at the 2019 World Wrestling Championships held in Nur-Sultan, Kazakhstan.

[4] In that year, Stadub also competed in the 87 kg event at the 2019 Military World Games held in Wuhan, China without winning a medal.

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