In April 2018, Sakaguchi was selected the Japan national team for 2018 Women's Asian Cup. Although she did not play in the match, Japan team won the champions for 2 tournament in a row. On June 10, she debuted as substitute midfielder from the second half against New Zealand. She also played at 2018 Asian Games and Japan won the champions. She played 12 games and scored 1 goal for Japan until 2019.