After finishing the eleventh grade, he began training in the Gamid Gamidov Wrestling Club in Makhachkala, Dagestan's sports school of Olympic reserve.

After the Russian Nationals, he participated at the 2014 World Wrestling Championships, where Sadulaev defeated Reineris Salas of Cuba 11–0 by technical fall.

[18] On 8 May 2015, Sadulaev won the Russian Freestyle Wrestling Nationals again and took part in the European Games in Baku, Azerbaijan, and World Championships in Las Vegas, Nevada.

[19] As a result, he was given a Mercedes-Benz G-Class G63 and Toyota Land Cruiser 200 by Dagestani business magnate Gadzhiev brothers and Ziyavudin Magomedov.

[citation needed] Sadulaev returned to wrestling in the U23 European Championships in Ruse, Bulgaria on 3 April,[24] and then he participated at the Wenceslas Ziolkowski Memorial XXV on 18 June 2016.

[25] At the European Championships he defeated Stefan Reichmuth of Switzerland in the eightfinals, Hungarian Gergely Gyrits in the quarterfinals, Belarusian Aliaksandr Hushtyn in the semifinals and finally Georgian Irakli Mtsituri; all victories were by technical superiority.

On 18 June, Sadulaev won the Wenceslas Ziolkowski Memorial LII, beating Aleksey Mushtin, teammate Omargadzhi Magomedov, István Veréb of Hungary, Sebastian Jezierzanski and Zbigniew Baranowski, both from Poland, by technical superiority.

[27] Sadualev beat István Veréb by technical superiority, then Pedro Ceballos of Venezuela by points, fellow countryman Sharif Sharifov of Azerbaijan and in the gold medal match Selim Yasar, 5–0.

[citation needed] Sadulaev competed in the Russian Nationals, defeating 2011 European runner-up Vladislav Baitcaev by decision (8–7).

Before the final match he easily beat Yuri Belonovskiy, Umar Kudliev, Stanislav Gadzhiev and Tamerlan Rasuev by technical superiority.

In the semi-final he defeated Elizbar Odikadze from Georgia, and in the final in a rematch he faced American Kyle Snyder, finishing him by pin fall.

[36] In 2020, he won the gold medal in the men's 97 kg event at the 2020 Individual Wrestling World Cup held in Belgrade, Serbia.

[45] After he was barred from competing at the 2024 Olympics, Sadulaev defeated the 92 kg Russian Nationals champion Alan Bagaev in a special wrestle-off to qualify for the 2024 World Wrestling Championships.