Baby Steps - Season 1 - Eps 3: The Contest Is a Fight
Eiichiro is unable to forget how good it felt when he successfully returned Takuma's serve, and he spends all of his time practicing against the wall. After seeing Eiichiro practice against the wall non-stop for six hours on a Sunday, Natsu predicts that he will quickly improve.
About Baby Steps

Title: Baby Steps
First Air Date: 2014-04-06
Last Air Date: 2015-09-20
Status: Ended
Rating: 7.786/10 (from 14 votes)
Language: JA
Seasons: 2
Total Episodes: 50
Network: NHK Educational TV NHK
Genres: Animation, Comedy
Production Companies: Pierrot, NHK, NHK Enterprises
Synopsis
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.
Cast

Taishi Murata
Eiichiro Maruo (voice)

Minako Kotobuki
Natsu Takasaki (voice)

Daisuke Namikawa
Takuma Egawa (voice)

Asami Seto
Himeko Sasami (voice)

Hiro Shimono
Yukichi Fukasawa (voice)

Taiten Kusunoki
Coach Yusaku Miura (voice)

Takuma Terashima
Kojirou Kageyama (voice)

Tetsuya Kakihara
Takuya Miyagawa (voice)

Chisa Yuuki
Yuuki Tajima (voice)

Kohsuke Toriumi
Coach Ryuuhei Aoi (voice)