Ryoma Echizen [1st Year] A genius tennis prodigy who won four consecutive championships in the American Junior tournaments. With extraordinary tennis sense and overwhelming technique, he challenges powerful foes no matter the adversity.

Kunimitsu Tezuka [3rd Year] Captain of the tennis club. A legendary player whose name is known throughout the middle school tennis world. He leads the club with certain ability as a player and rational judgment.

Shuichiro Oishi [3rd Year] Vice-captain of the tennis club. He supports the cool-headed Captain Tezuka with his gentle personality. His doubles partnership with Kikumaru boasts a level of perfection that leaves others in the dust.

Syusuke Fuji [3rd Year] A genius who hides a fierce spirit beneath an elegant smile. Possessing superlative technique, his counter-moves are as powerful as they are beautiful.

Sadaharu Inui [3rd Year] The club's ultimate information-gathering demon. A theorist who strictly adheres to data-driven play. He is deeply trusted by the other members.

Eiji Kikumaru [3rd Year] He moves freely across the court. An intuitive tennis player who specializes in acrobatic play.

Takashi Kawamura [3rd Year] A quiet person, but the moment he holds a racket, he enters 'Burning' mode and transforms into a hot-blooded player. His weapon is power play that pushes through with sheer strength.

Takeshi Momoshiro [2nd Year] Selected as a Seigaku regular thanks to his 'Dunk Smash' delivered with incredible jumping power. He is the club's mood maker. He shares a rivalry with his classmate Kaido.

Kaoru Kaido [2nd Year] He shows tenacity in matches with the stamina to fight through a game at full power and a tough spirit that never gives up. A hard worker who trains single-mindedly for victory. He has been rivals with Momoshiro since joining.