Hikaru no Go volume 10 features story by Yumi Hotta and art by Takeshi Obata.

The main round of the pro test has begun. Everyone's feeling the pressure, no one more so than Hikaru's friend Isumi, who has failed the test twice before. Fighting off his feelings of self-doubt, Isumi faces his next opponent, who turns out to be Hikaru. But a careless mistake lands the pair in an awkward position!