The Fight Between the Calm and the Passionate
Momoshiro is easily provoked by Josei Shonan's "unit", but gets his act together and makes a comeback. However, when Momo accidentally drinks some of Inui's experimental Juice, Seigaku is forced to forfeit the doubles two game.
Aired 16/04/2003EP 77 - The Fight Between the Calm and the Passionate

2001
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)