Liu Shiwen
Ito was paired with Jun Mizutani in the Mixed Doubles event which made its debut at the 2020 Summer Olympics. In the quarter-finals against Germany’s Patrick Franziska and Petrissa Solja, Ito and Jun advanced by prevailing in the seventh set 16-14 after saving seven match points. On 26 July 2021, Ito and Jun won the gold medal, becoming the first non-Chinese to win a gold in a table tennis event since 2004. Ito was praised for her aggressive play as critical in their comeback 4-3 finals win (after initially trailing 2-0) over the number one-ranked pair of China's Liu Shiwen and Xu Xin.