Daizen Maeda would be the man to make way, in a likely eventually.
The Blue Samarai are sweating on the fitness of Hiroki Sakai after he missed training following the famous victory. Arsenal’s Takehiro Tomiyasu would come in at right-back if Sakai is not fit.
Costa Rica again have a clean bill of health but for head coach Luis Fernando Suarez, rebuilding his side's shattered confidence is the priority.
"I'm worried that mentally the team won't get out of this slump, this bad result," he said after the defeat. "Logically, that's the first thing I have to try to solve.
"We have to take responsibility for what happened but once we all talk about it, we need to forget about it."
Japan predicted XI: Gonda; Tomiyasu, Itakura, Yoshida, Nagatomo; Endo, Tanaka; Ito, Kamada, Kubo; Asano
Costa Rica predicted XI: Navas; Waston, Calvo, Duarte, Oviedo; Tejeda, Borges; Bennette, Fuller; Campbell, Contreras