Hikaru must win three games in the preliminary rounds of the professional exam to advance to the final rounds. In order to do that, he is to face a man named Tsubaki, introduced as a motorcyclist. Before it was lunchtime, Tsubaki sealed his move, intimidating Hikaru. It was due to inexperience that Hikaru was unaware of the factor concerning the move before a break, causing him to lose the match. This intimidation put Hikaru on edge during his second preliminary round.