Become Seigaku's Pillar of Supprt ["Seigaku no Hashira ni Nare" (青学の柱になれ)] is the 65th episode of Prince of Tennis overall. It originally aired on the 15th of January 2003 in Japan.
Summary[]
In Singles 1 of the Kanto Regional Tournament encounter between the two Tokyo schools Seigaku and Hyotei, Kunimitsu Tezuka, Seigaku's captain, faces off against Atobe, Hyotei's captain. Oishi Shuichiro reminisces about his promise to Tezuka: they would take Seigaku to the Nationals; and how Tezuka's arm was injured when they were first years.