Tezuka Kunimitsu Team : Seigaku / School : Seishun Gakuen Position : Captain Summary : Tezuka is one of the top tennis players. A strict and stern captain, he is respected by everyone. He aims to bring Seigaku to win the nationals. An injury threatened his career.
Oishi Syuichirou Team : Seigaku / School : Seishun Gakuen Position : Vice Captain Summary : Oishi plays doubles with Kikumaru Eiji and together they are known as the Golden Pair. Considerate, gentle, and kind, he is dubbed as 'Seigaku's Mama'.

Tezuka and Oishi have known each other since first year. They have one of the oldest friendship in the series. Oishi and Tezuka have made a pact that they'll bring Seigaku to the nationals and win.

In their first year, a senior student hit Tezuka's left arm with a racket. This was what caused his injury. Oishi and Tezuka supported each other as they make their way into Seigaku. Intersting note, Tezuka's doctor is also Oishi's uncle.