Eiichiro is unable to forget how good it felt when he successfully returned Takuma's serve, and he spends all of his time practicing against the wall. After seeing Eiichiro practice against the wall non-stop for six hours on a Sunday, Natsu predicts that he will quickly improve.

After managing to hold serve Eiichirō starts looking for an opportunity to break Miyagawa. Both hold serve and force a tiebreaker. With the score 6-5 Maruo in the tiebreaker Eiichirō decides to try and gamble to use his full stroke and steal a point.

Eiichirō overhears Araya telling Takuma that if he loses to him this tournament, he will retire from tennis. His plan is to defeat Takuma and then announce he is going pro. Takuma agrees to tell Eiichirō Araya's weaknesses.

Eiichirō manages to steal 1-point in the 10-minute match with Ike before his coaches reappear and make him stop playing a match. Afterwards Eiichirō is sent home to rest. The next day Eiichirō begins a brutal practice regimen that will recondition his body into that of a pro's.

In an effort to try and reverse the tide, Eiichirō decides to go back to his idea of having 100-squares to aim for instead of 9.

Eiichirō begins closing the gap on the others at the Florida Academy, but during everyone of his matches he has one moment where he presses too hard, costing him a set and eventually costing him the match.

After winning his first match in America, Eiichirō finally gets to play Ike in a one set match. Ike gets it approved at the New Years party where many of Eiichirō's new friends first learn of Natsu.

Coach Ryuhei Aoi decides to teach Eiichirō the importance of relying on instincts during a match instead of relying solely on data. In order to teach him how to play against a player who relies solely on instinct Eiichirō is forced to face off with Natsu.

Ide's remarkable ability to adapt instantly to everything has Eiichiro struggling, and reads his notes again to regain his focus. This improves his movements and leads to more impressive rallies, making the match even more exciting. Neither is willing to yield as the match comes down to which player can manage to hold serve...

Eitaro, upon winning spectacularly in his fight against Ide, decides to go to the National Junior's. Coach Aoi explains that towards the end of the match, Eitaro was completely in the zone.