In January 2015, Shoji was selected the Japan national team for 2015 Asian Cup, but he did not play in the match. On March 31, he debuted for the Japan against Uzbekistan. In 2018, he was selected the Japan for 2018 World Cup. He played 3 matches as center back with Maya Yoshida and Japan qualified to the knockout stage. He played 18 games and scored 1 goal for Japan until 2018.