According to the results of two rentals, the 16-year-old skater scored 240.00 points - 85.04 for the short and 154.95 for the free program.
The second place was taken by the representative of Japan, Rika Kihira - 231.84 (79.89 + 151.95) points.
Alina Zagitova, who scored 216.06 (66.84 + 151.15) points, closed the top three winners.
Another representative of Russia - Sofia Samodurova - took sixth place (63.85 + 119.42).
Earlier it was reported that Anastasia Mishina and Alexander Gallyamov became the third at the stage in Japan and reached the Grand Prix finals.