Ep. 4: Eiichirou adapts to Takuma's speed during a challenging 50-serve training drill
Aired on April 27, 2014

Eiichirou and Takuma Egawa engage in a serving match where Eiichirou attempts to return 50 shots. Initially unable to reach the balls, he gradually adjusts to Takuma's pace, eventually returning shots as fouls. By the 49th attempt, Eiichirou has successfully adapted to Takuma's speed, compelling Takuma to alter his serve for the 50th shot. The episode concludes with Coach Miura requesting that Eiichirou participate in his first match during the upcoming Kanagawa Junior Circuit.
Episodes
- Ep. 1 · Study Prodigy Shares Notes with Classmate Who Damages Them
- Ep. 2 · Eiichirou tries tennis and meets intimidating upperclassman Egawa Takuma at STC
- Ep. 3 · Eiichirou practices relentlessly against the wall to perfect his serve return
- Ep. 4 · Eiichirou adapts to Takuma's speed during a challenging 50-serve training drill
- Ep. 5 · Eiichiro faces Oobayashi in a surprising first match that tests his resolve.
- Ep. 6 · Eiichirou faces elimination in his first match against Oobayashi
- Ep. 7 · Coach Miura trains Eiichirou on a 9-square court before pitting him against Takuma.
- Ep. 8 · Maruo Eiichirou trains at STC for one year aiming to pass third round