The 24-year-old athlete from Vladikavkaz defeated Roy Meyer from the Netherlands in the final fight in the weight category over 100 kg.
Two-time European champion Mikhail Igolnikov defeated Davlat Bobonov from Uzbekistan in the final of the weight category up to 90 kg.
European champion among juniors Matvey Kanikovsky won the final bout in the category up to 100 kg of the Portuguese Jorge Fonseca.
Tasoev is a European champion and a two-time bronze medalist of the World Championship.
Earlier it was reported that the All-Russian competitions in judo among boys and girls opened in Sevastopol.