Sotskova made her junior international debut at the 2013 Junior Grand Prix (JGP) event in Riga, Latvia; she won the silver medal behind Evgenia Medvedeva by a margin of 3.03 points. At her next JGP assignment, in Ostrava, Czech Republic, she finished second to Alexandra Proklova by over 15 points. Sotskova's silver medals qualified her for the JGP Final in Fukuoka, Japan, where she defeated teammates Sakhanovich and Medvedeva for the gold. She then took silver behind Sakhanovich at the 2014 Russian Junior Championships and was assigned to the 2014 World Junior Championships in Sofia, Bulgaria. She withdrew due to a meniscus injury.