We Need You, Izumi!
The Kisaragi Girls' team is still one person short; their best hope lies with Izumi, the star tennis player, but she has less than zero interest in helping Ryo.
Aired 27/05/1998EP 7 - We Need You, Izumi!

1998
Princess Nine
Keiko Himuro, Chairman of the Kisuragi School, puts together an all-girl baseball team led by Ryo Hayakawa, daughter of a legendary pitcher, in hopes of proving that girls can compete just as well as boys. Their goal: Koshien Stadium, where only the best teams get the opportunity to play.
(Source: Anime News Network)