Yazdani earned a gold medal at the 2014 Junior World Championships in the 66 kg division, by defeating his American opponent
Aaron Pico in the final. The following year, he placed second at the Senior World Championships, losing to
Magomedrasul Gazimagomedov of
Russia in the finals by a score of 10–3. After bumping up to 74 kg. Yazdani claimed gold at the
2016 Rio Olympics, defeating
Aniuar Geduev 6–6 with criteria by scoring the final points. After once again bumping up in weight, Yazdani won gold at the
2017 Islamic Solidarity Games in the 86 kg division. He defeated former Olympic gold medalist
Sharif Sharifov of Azerbaijan with a score of 11-0 and 2016 Olympic silver medalist
Selim Yaşar of Turkey with the same score en route to becoming champion. In July 2017, Yazdani won the Iran
Freestyle Wrestling Nationals at 86 kg, defeating
Alireza Karimi 5-0 on his path to victory. This gained him a place at the 2017 World Wrestling Championships in Paris. In
2017 World Wrestling Championships in Paris, Hassan Yazdani participated in 86 kg. He became the champion with decisive wins, 4 out of 5 matches including the final with
technical superiority. In the entire championship, Yazdani gave out only two points. Right after the matches, he stated that he "came to Paris for a decisive gold, with no ifs or buts". He lost to American
David Taylor in the
men's 86kg final at the
2020 Summer Olympics. He then scored his first win against Taylor in the final of the
men's 86kg event at the
2021 World Wrestling Championships. Yazdani won the final by walkover at the
2019 World Wrestling Championships in the
freestyle 86 kg category, against India's
Deepak Punia, a wrestler that "idolises Yazdani". Yazdani faced Punia next in the
wrestling competition at the 2022 Asian Games – in the Men's freestyle 86 kg final, where Yazdani beat Punia 10-0 in a one-sided match. Yazdani won the silver medal in the
men's 86kg event at the
2022 World Wrestling Championships held in Belgrade, Serbia. He lost to his rival David Taylor in the final. He again won the silver medal in the
men's 86kg event at the
2023 World Wrestling Championships held in Belgrade, Serbia. He lost to his arch-rival David Taylor for the fifth time, now trailing 1–5 in their head-to-head(with a controversial win because of challenge on yazdani's initial throw of 4 being reversed ). He won the gold medal in the
men's 86kg event at the
2022 Asian Games held in Hangzhou, China. He won the silver medal in the
men's freestyle 86kg event at the
2024 Summer Olympics in Paris, France. ==Personal life==