In 2013–14, Yanovskaya/Mozgov began their season by taking gold at the 2013 JGP Slovakia in Košice. They won another gold at the 2013 JGP Estonia, qualifying them for their third JGP Final in Fukuoka, Japan. Setting personal bests, Yanovskaya/Mozgov placed first in both segments at the final and won the gold medal ahead of Kaitlin Hawayek / Jean-Luc Baker. After placing second to Stepanova/Bukin at the 2014 Russian Junior Championships, they took the silver medal at the 2014 World Junior Championships in Sofia, finishing second to Hawayek/Baker.