A New Regular Appears?!
When Ryoma oversleeps before the match, Satoshi Horio, another freshman, is forced to impersonate Ryoma, but he gets challenged by another player when the latter hears him bragging about his supposed skills. Luckily for Horio, Ryoma arrives just in time to bail him out. Meanwhile, Hajime Mizuki, the manager of St. Rudolph's tennis team, tells Akiyama, Seigaku's opponent, how to target the Seigaku players' weak spots.
Aired 24/04/2002EP 28 - A New Regular Appears?!

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)