Making her senior international debut, Sakahnovich competed at two ISU Challenger Series events; she finished fourth at the 2015 CS Ice Challenge and took silver at the 2015 CS Warsaw Cup with a new season's best score of 176.41 points. Her results at both Russian Championships were the lowest of her career. After placing tenth at the senior event in December, she finished 17th at the junior event in January, having ranked last in the free skate with four falls on her jumps.