Echizen Ryoma is a young tennis prodigy who has won 4 consecutive tennis championships but who constantly lies in the shadow of his father, a former pro tennis player. He joins the Seishun Gakuen junior high school, one of the best tennis schools in Japan, and there along with his teamates he learns to find his own type of tennis in an attempt to defeat his biggest obstacle of all: his father as well as himself. As he plays the players, he soon will become Segigaku's pillar of support (with the help of his teamates) and along with his teamates, will he become stronger.
The series is primarily set in Tokyo. Ryoma Echizen, a tennis prodigy, attends Seishun Academy (青春学園, Seishun Gakuen?), or Seigaku (青学) for short, a private school famous for its strong tennis club and talented players. Ryoma quickly defeats numerous upperclassmen shortly after entrance to secure himself a spot as one of the team's regulars. In pursuit of their ultimate goal of winning the all-Japan junior high school tennis championship, members of the team make new friends while learning and mastering increasingly complex techniques. Ryoma also begins to develop his own style of tennis, and eventually realizes what the sport really means to him.