Sankova competed at the 2013 Stella Zakharova Cup where she won the bronze medal in the all-around behind Aliya Mustafina and Anna Dementyeva, and she won the gold medal on the balance beam and the silver medal on the floor exercise. She then competed at the 2013 European Championships and finished 8th in the floor exercise final. At the FIG World Cup in Osijek, she won the bronze medal on beam and the silver medal on floor exercise. She competed at the 2013 World Championships where she placed 10th on the balance beam in the qualification round, making her the second reserve for the event final.