Existence is the Driving Force

After beating Takagi, Eiichiro moves onto the semi-finals as does Natsu in the women's division. Eiichiro becomes aware of new feelings towards Natsu while watching her match. The next match is against the top tennis player, Nabae who has no physical or psychological weaknesses. While Eiichiro is troubled by what strategy to use, Takuma reveals Nabae's childhood weakness to Eiichiro. The battle against Nabae, the greatest opponent is about to begin!