Yamane Riku of Japan celebrates scoring during the CFA International Youth (U17) football tournament between Japan and Iran in Jiangyin, east China's Jiangsu Province, May 16, 2018. Japan won 1-0. (Xinhua/Li Bo)

Players of Japan celebrate victory after the CFA International Youth (U17) football tournament between Japan and Iran in Jiangyin, east China's Jiangsu Province, May 16, 2018. Japan won 1-0. (Xinhua/Li Bo)

Amir Seighalani (front) of Iran breaks through during the CFA International Youth (U17) football tournament between Japan and Iran in Jiangyin, east China's Jiangsu Province, May 16, 2018. Japan won 1-0. (Xinhua/Li Bo)

Yamauchi Kakeru (L) of Japan vies with Alireza Bavieh of Iran during the CFA International Youth (U17) football tournament between Japan and Iran in Jiangyin, east China's Jiangsu Province, May 16, 2018. Japan won 1-0. (Xinhua/Li Bo)

Mito Shunsuke (2nd R) of Japan vies with Mahammad Shakibkhoo (1st R) of Iran during the CFA International Youth (U17) football tournament between Japan and Iran in Jiangyin, east China's Jiangsu Province, May 16, 2018. Japan won 1-0. (Xinhua/Li Bo)