A-chan has progressed to the semifinals with the result of Mike's mental training. The opponent is Aratani who is aiming to be a professional while in the same grade. Coach Miura tells A-chan, who decides to take the game in a head-to-head match, that if tennis hits his opponent's weaknesses, tennis may have a chance. After suffering, A-chan asks Takuma about Aratani's weaknesses. Challenge the game with the "Defeat Araya File" created based on that advice. Desperately biting while being tossed by Aratani's beast play style. The war was a little more effective, "Aratani File", but it gradually stopped working. A-chan recalls the basics and has cultivated her practice, and goes to Aratani with all her abilities, making full use of what she can do now, her good eyesight and coat covering. (Source: Amazon Prime)