The gang begins their third and final year of high school in different classes. Eiichirō and Natsu both realize their classes seem to be moving on without them as they are getting ready for cram schools and entrance tests. STC has their own sort of ideas though. The top clubs in Japan have gotten together and decide to have their top players rotate between the top clubs. Included in the group is Eiichirō, and Natsu's top rival is also involved. The practices allow Eiichirō to focus on changing pace at all times and give him more experience. The bracket for the All Japan Junior is announced, and in order for Eiichirō to continue his goal he'll have to defeat the fifth seed. As the episode ends Takuma arrives back at STC. He had advanced to the Top 8 in Japan and is signing a bunch of contracts. Eiichirō challenges him to finish their match. Takuma agrees but points out he is headed over seas next week, so they'll have to do it as soon as the signings are done.
Eiichirô se remet de sa déception suite à sa défaite en finale du tournoi départemental de Kanagawa face à Araya. Alors qu'il se remet en condition pour préparer le tournoi départemental du Kantô, son coach lui annonce que d'ici là, il aura la possibilité de multiplier les matchs face à ses rivaux à l'occasion de rencontres amicales organisées avec les autres clubs du département...
熱い試合を終え、心底テニスを楽しいと感じた栄一郎(えいいちろう)に「今度の全日本ジュニアで優勝できなかったらプロを目指すことをやめられるのか?」という思いがよぎる。そんな中、STC(南テニスクラブ)では他のクラブとの交流練習が行われることに…。荒谷(あらや)、宮川(みやがわ)、岩佐(いわさ)らが集結し、実戦さながらの練習が始まる。そしてその中には、久々に再会する亜希(あき)の姿もあった。