Torgashev placed sixth at the Philadelphia Summer International in early August 2017. During the 2017 Junior Grand Prix series, he won silver in Belarus with a personal best total score, 212.71 points, and then placed fourth in Italy. He qualified to the JGP Final in Nagoya, Japan, where he placed sixth. Torgashev also finished sixth at the 2017 CS Warsaw Cup. In January, at the 2018 U.S. Championships, he ranked ninth in the short program, fourteenth in the free skate, and thirteenth overall.