With Uguev's first-place victory at Odintsovo 2018, he qualified for the 2018 World Wrestling Championships held in Budapest, Hungary. In the round of 16, Uguev faced 2012 Olympian, Armenia's Mihran Jaburyan and won by technical superiority 10–0. In the quarter-final Uguev then faced 2017 U23 Senior World Champion, Reineri Andreu Ortega of Cuba, winning by the score of 6–0, and faced Paris 2017 Senior World Champion, Yuki Takahashi of Japan, whom Uguev defeated by the score 7-2 and advanced Uguev to the finals. In the final, Uguev faced Bishkek 2018 champion, Kazakhstan's Nurislam Sanayev. After a close first period with each wrestler scoring a takedown; the second period started out with each wrestler also gaining a step-out point for the score of 3-3; however, Sanayev was penalized for continuously pulling on Uguev's singlet, thus resulting in a score of 4–3 in favor of Uguev, ultimately giving Uguev his first senior world title at 57 kg,