Seigaku

Tezuka Kunimitsu
Tezuka is a third year student at Seigaku. As well as being captain of the tennis team, he is also a nationally ranked singles player. Tezuka was picked by outgoing captain Yamato to succeed him as Seigaku's captain. He is best known for possessing the impenetrable Tezuka Zone.
Fuji Syusuke
Fuji is a third year student at Seigaku. Fuji's Triple Counter moves and Disappearing Serve have earned him the reputation of being a tennis prodigy. His appearance, with eyes closed and smile on his face, hides the fact the he's a formidable player. Fuji's younger brother, Yuuta, plays tennis for St. Rudolph.
Kawamura Takashi
Kawamura is a third year student at Seigaku. He has a quiet, almost shy outer appearance, until he picks up a tennis racket and goes into Burning! mode. Kawamura's trademark tennis move is the Hadoukyuu, which he uses sparingly because of the potential damage it can do to his arm.
Oishi Syuichirou
Third year student Oishi is the vice captain of Seigaku's tennis team. As one half of the Golden Pair, Oishi and his doubles partner, Kikumaru Eij, are nationally ranked players. Oishi is known for using the Moon Volley, and he and Kikumaru are experts at the Australian Formation.
Kikumaru Eiji
Kikumaru, another third year student, is the other half of Seigaku's nationally ranked Golden Pair doubles team. Kikumaru is the more flamboyant partner, specializing in a gravity-defying acrobatic playing style. His trademark move is the Kikumaru Beam, and he also uses the Dive Volley.
Inui Sadaharu
Inui is a third year student at Seigaku. For a short time, he served the team as its manager. Inui is known not only for his ability to play tennis, but also for collecting information on other players in order to better understand them and to defeat them.
Kaidoh Kaoru
Kaidoh, knicknamed The Viper, is one of two second year students on the team. Kaidoh's best known tennis move is the Boomerang Snake. Kaidoh prefers to play singles, but has shown that he can be a formidable doubles player as well.
Momoshiro Takeshi
Momoshiro is also a second year student at Seigaku. The Dunk Smash and the Jack Knife are Momoshiro's favorite moves. If he lacks anything in talent, Momoshiro more than makes up for it with a strong desire to win.
Echizen Ryoma
Echizen is a first year student, and the only freshman to ever make the team. His father, Echizen Nanjiroh, also played tennis for coach Ryuzaki Sumire. Echizen has an impressive arsenal of moves including the Cool Drive, Drive B, Split Step and Twist Serve. He is the Prince of Tennis.


Credits: Some information was obtained from Fruity Explosive Translation