Nanjiro Echizen
Inoue plays a match with Nanjiro Echizen, the former "Samurai Nanjiro", a legendary tennis professional, to get answers about why he retired. Though Nanjiro appears to not be taking it seriously, his skills show otherwise, and he easily beats Inoue with both his eyes closed. However, Inoue finds out that Nanjiro is now focusing on developing the skills of his son, Ryoma. Meanwhile, Sakuno looks for Ryoma to learn more about him and tennis.
Aired 14/11/2001EP 6 - Nanjiro Echizen
The Prince of Tennis
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 highschool, 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.
(Source: Anime News Network)