The Boomerang Snake
Kaido desperately tries to recreate the Boomerang Snake, but he eventually stops his attempts when he decides to just play his style of tennis. With neither side yielding, Kamio's and Kaido's game becomes an endurance match. However, in the end, Kaido's willpower and persistence outlasts Kamio's stamina. Also, Momoshiro learns the identity of the girl he has been recently running into, who turns out to be Fudomine's player-coach and Kippei Tachibana's younger sister, An Tachibana.
Aired 30/01/2002EP 16 - The Boomerang Snake
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)