Ryoma Echizen

Echizen is the featured tennis player in the show. His father is a famous professional tennis player who retired really early but otherwise could have became the number 1 tennis player in the world. Echizen is the only 1st year regular player in Seigaku, since he short compared to the other members, he's been nicknamed O'Chibi (baby boy) by fellow player, Eiji. Additional info worth noting: Echizen grew up in United States and knows English very well (many classmates admires him for this).