Over-age regulation will be used for CF, CMF, and CB.
As well as Japan national team, center forward is required to possess his ball for offensive midfielders. But, few candidates exist in under-23 pool. Also CMF and CB.
Koki Ogawa, Yuya Osako, Tagawa
Takefusa Kubo, Miyashiro
Yuki Abe, Miyoshi, Keita Endo
Ritsu Doan
Shibasaki, Nakayama, Ichimaru, Nakai
Hara, Itakura
Sugioka, Nagatomo, Yamanaka
Tomiyasu, Seko
Maya Yoshida
Hashioka
Tani, Osako