Alistratava turned senior in 2019. She competed at the European Championships where she placed fourth on uneven bars behind Russians Anastasia Ilyankova and Angelina Melnikova and Alice D'Amato of Italy. She next competed at the European Games Test Event where she placed fifth in the all-around, first on uneven bars, and second on floor exercise behind Yelizaveta Hubareva of the Ukraine. At the European Games she qualified to the all-around, uneven bars, and floor exercise finals and was the third reserve for the balance beam final. During the all-around final she placed twelfth. She won bronze on the uneven bars behind Melnikova and Becky Downie of Great Britain. On floor exercise she finished fourth. Alistratava next competed at the Paris Challenge Cup where she placed fourth on uneven bars and sixth on floor exercise. Alistratava ended the season competing at the World Championships in Stuttgart. During qualifications she finished 57th in the all-around and 25th on uneven bars. Although she did not qualify for any event finals, she qualified as an individual to the 2020 Olympic Games in Tokyo.