In June, Tutkhalyan was named to the Russian team for the 2015 European Games in Baku, with Aliya Mustafina and Viktoria Komova. Tutkhalyan won the gold medal with the team, and posted the second-highest all-around score in qualification, 57.332. However, the highest score was by her teammate Mustafina and only one gymnast per country could advance to the final at these games. Tutkhalyan did qualify for the vault final in second place with a score of 14.466 for two vaults, and for the balance beam final in first place with a score of 14.600. Tutkhalyan was named to the Russian team for the 2015 World Artistic Gymnastics Championships. She helped her team to a 4th-place finish and individually qualified to the all-around and balance beam finals. In the all-around final, she placed 15th, and in the balance beam final, she placed 6th.