Eiichirō Maruo (nicknamed "Ei-chan" for his grades being straight "A") is an honor student, bookworm, and is not interested in anything other than studying. In order to solve his problem of lacking physical strength, he enrolled a tennis school and soon found the fascinating side of tennis. Being a tennis newbie lacking physical strength, he supplement his shortcomings with his excellent observing and analyzing skills.
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| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | Tennis and Notes | 2014-04-06 | 25 min |
| Season 1 | Episode 2 | Methodical and Unorganized | 2014-04-13 | 25 min |
| Season 1 | Episode 3 | The Contest is a Fight | 2014-04-20 | 25 min |
| Season 1 | Episode 4 | Face of Conviction | 2014-04-27 | 25 min |
| Season 1 | Episode 5 | A First Match Full of Surprises | 2014-05-04 | 25 min |
| Season 1 | Episode 6 | Diamond in the Rough | 2014-05-11 | 25 min |
| Season 1 | Episode 7 | Nine-Square and Reality | 2014-05-18 | 25 min |
| Season 1 | Episode 8 | One Year and Twenty Notebooks | 2014-05-25 | 25 min |
| Season 1 | Episode 9 | Diligence is My Style | 2014-06-01 | 25 min |
| Season 1 | Episode 10 | Unease on the Edge | 2014-06-08 | 25 min |
| Season 1 | Episode 11 | Risk and Possibility | 2014-06-15 | 25 min |
| Season 1 | Episode 12 | Improvement by Memory | 2014-06-22 | 25 min |
| Season 1 | Episode 13 | Art and Technique | 2014-06-29 | 25 min |
| Season 1 | Episode 14 | Putting the Pieces Together | 2014-07-06 | 25 min |
| Season 1 | Episode 15 | Plan to Be Forceful | 2014-07-13 | 25 min |
| Season 1 | Episode 16 | Beast and Initiative | 2014-07-20 | 25 min |
| Season 1 | Episode 17 | Pro at My Age | 2014-07-27 | 25 min |
| Season 1 | Episode 18 | Determination and Presentation | 2014-08-03 | 25 min |
| Season 1 | Episode 19 | Resolve and Hell | 2014-08-10 | 25 min |
| Season 1 | Episode 20 | Meat Buns and Yakisoba | 2014-08-17 | 25 min |
| Season 1 | Episode 21 | Consistency and Change | 2014-08-24 | 25 min |
| Season 1 | Episode 22 | Fundamentals are the Weakness | 2014-08-31 | 25 min |
| Season 1 | Episode 23 | Reckless 100-Square | 2014-09-07 | 25 min |
| Season 1 | Episode 24 | Duty and Desire | 2014-09-14 | 25 min |
| Season 1 | Episode 25 | Eiichiro and Natsu | 2014-09-21 | 25 min |
| Season 2 | Episode 1 | The World and the Wall | 2015-04-05 | 25 min |
| Season 2 | Episode 2 | A Vicious Circle is Lucky | 2015-04-12 | 25 min |
| Season 2 | Episode 3 | Data for the Future | 2015-04-19 | 25 min |
| Season 2 | Episode 4 | Awakening to Simplicity | 2015-04-26 | 25 min |
| Season 2 | Episode 5 | Takuma's Decision | 2015-05-03 | 25 min |
| Season 2 | Episode 6 | First Encounter by Scouting | 2015-05-10 | 25 min |
| Season 2 | Episode 7 | Revenge at the Critical Moment | 2015-05-17 | 25 min |
| Season 2 | Episode 8 | The Speed of Evolution | 2015-05-24 | 25 min |
| Season 2 | Episode 9 | Baffled by Intuition | 2015-05-31 | 25 min |
| Season 2 | Episode 10 | Start with a Roar | 2015-06-07 | 25 min |
| Season 2 | Episode 11 | Choices and Explosive Power | 2015-06-14 | 25 min |
| Season 2 | Episode 12 | Full Force Toward Adversity | 2015-06-21 | 25 min |
| Season 2 | Episode 13 | Gathering of Rivals | 2015-06-28 | 25 min |
| Season 2 | Episode 14 | Moonlight and the Sound of Waves | 2015-07-05 | 25 min |
| Season 2 | Episode 15 | A Hero and Loud Cheers | 2015-07-12 | 25 min |
| Season 2 | Episode 16 | Whish, Then Fwoom | 2015-07-19 | 25 min |
| Season 2 | Episode 17 | Dramatic by Nature | 2015-07-26 | 25 min |
| Season 2 | Episode 18 | Visualize the Pressure | 2015-08-02 | 25 min |
| Season 2 | Episode 19 | A Rude First Meeting | 2015-08-09 | 25 min |
| Season 2 | Episode 20 | Psychological Warfare and Self-Control | 2015-08-16 | 25 min |
| Season 2 | Episode 21 | Good, Evil, and Rules | 2015-08-23 | 25 min |
| Season 2 | Episode 22 | Existence is the Driving Force | 2015-08-30 | 25 min |
| Season 2 | Episode 23 | Aggressive is Ideal | 2015-09-06 | 25 min |
| Season 2 | Episode 24 | Recklessness and Surprise | 2015-09-13 | 25 min |
| Season 2 | Episode 25 | Final Set | 2015-09-20 | 25 min |
| Visual Effects | Masayuki Kouda | Character Designer |
| Sound | Tanaka Jin | Music Arranger |
| Sound | Kouhei Yamada | Music Producer |
| Directing | Masahiko Murata | Series Director |
| Sound | Yochiro Yoshikawa | Music |
| Writing | Hikaru Katsuki | Original Series Creator |
| Art | Kunihiko Inaba | Art Direction |
| Sound | Hajime Takakuwa | Sound Director |
| Production | Izumi Nakazawa | Producer |
| Sound | Mao Abe | Theme Song Performance |
| Writing | Mao Abe | Lyricist |
| Sound | Akkin | Music Arranger |
