In Shanghai, the duo earned the top score among Japan's three teams entered in the ice dance competition at the Four Continents.
Mao Shimada and Nozomu Yoshioka won the women’s and men’s titles, respectively, to headline Japan’s stellar showing in Ostrava.
The American siblings, who skated to “Muse Medley,” retained their lead after the rhythm dance and earned a comfortable victory.
“After we finished, I had a good feeling,” Morita said after the duo’s rhythm dance.