Koki Machida (affiliated with the Kashima Antlers, enrolled in 2016), of the School of Human Sciences Internet Degree Program, was selected for the U-24 Japan National Team.
On July 1, the Japan Football Association (JFA), via a notification from FIFA, announced that the number of players for the Japan National Team will be increased from 18 to 22, an exception that is being made only for Tokyo 2020. Together with this change, it was decided that Machida, who was selected as a backup member when the Japan National Soccer Team was announced on June 22, will join the main team as a member.
Born in Ibaraki Prefecture in 1997, and enrolled in the Waseda University School of Human Sciences Internet Degree Program in 2016. He began playing soccer when he was five years old, joined the Kashima Tsukuba Junior Youth soccer team when he was a junior high school student, and then later became affiliated with the Kashima Antlers. After being selected for the U-19 Japan National Team (2016), the U-20 Japan National Team (2017), the U-22 Japan National Team (2019), and the U-23 Japan National Team (2020), he was selected for the U-24 Japan National Team in 2021.