[1][2] He won the gold medal in the 92 kg event at the 2020 European Wrestling Championships held in Rome, Italy.

In the same year, he also competed at the 2019 World Wrestling Championships held in Nur-Sultan, Kazakhstan in the 92 kg event without winning a medal.

[6] In 2020, Karadeniz won one of the bronze medals in the men's 97 kg event at the Individual Wrestling World Cup held in Belgrade, Serbia.

[7][8] In March 2021, he qualified at the European Qualification Tournament to compete at the 2020 Summer Olympics in Tokyo, Japan.

[9][10] A month later, he secured the silver medal in the 97 kg event at the 2021 European Wrestling Championships held in Warsaw, Poland.