Ryoma Echizen, a student at Seishun Academy, is a tennis prodigy who has won four consecutive U.S. Junior Tournaments. This first ever 7th Grade starter has qualified for the District Preliminaris. Despite a few mishaps, Seishun wins the District Prelims and City Tournament and finally earns a ticket to the Kanto Tournament.

Ryoma Echizen is the 12-year-old son of a famous tennis player and a tennis genius in his own right. With talent in his blood and fire in his eyes, he backs up his confidence on the court with amazing skills. Now he has to overcome the older players on his high school team who are dead set against letting him surpass them. To defeat the slippery 'Viper' Kaido, the calculating Sadahara Inui, and a host of other opponents, Ryoma will need everything...