In May 1923, Shimizu was selected the Japan national team for Far Eastern Championship Games in Osaka. At this competition, on May 23, he debuted against Philippines. This match is Japan team first match in "International A Match". Next day, he played and scored a goal against Republic of China. But Japan lost in both matches (1-2, v Philippines and 1-5, v Republic of China). He played 2 games and scored 1 goal for Japan in 1923.