Quick answer — Teekyuu 4: the opening theme is "Fattoshite Tougenkyou".
Fourth season of Teekyuu. Teekyuu is based on a sports comedy manga of the same name featuring four high school girls who belong to a tennis club. Although the amount of tennis they play is questionable. Teekyuu 4 is a comedy, slice of life, and sports anime produced by Millepensee, first airing in Spring 2015. The series spans 12 episodes and is currently finished.
Also known as: Te-kyuu 4
Teekyuu 4 has 12 episodes and is finished.
Teekyuu 4 was produced by Millepensee and released in 2015.
Teekyuu 4 is classified under Comedy, Slice of Life, Sports.
Teekyuu 4 premiered in Spring 2015.
The opening theme of Teekyuu 4 is "Fattoshite Tougenkyou".
Teekyuu 4 is based on a manga.
Teekyuu 4 is listed on Crunchyroll. Availability varies by region.
Character data from AniList.