Sadaharu Inui

Sadaharu Inui is a guy which also acts in Prince of tennis.He is a 3rd year at seigaku.He does not use techniques but data to play tennis.He was a partner of Yanagi who is now in Rikkaidai Fuzoku.

Rikkaidai Fuzoku

As the captian Seiichi Yukimura Trains Rikkaidai the school's tennis club becomes stronger and gets a lot of attention from outsiders.While Seiichi Yukimura is in the hospital during the Kanto Genichirou Sanada the vice-captian takes over the spot as captian.And did well during the Kanto but lost to Ryoma Echizen.Now they are working hard for the nationals

Hyotei Gakuen

Hyotei is a school which challenged Seigaku tennis club in the Kantou Reginals.As their coach,Tarou Sakaki train very well and lead by Keigo Atobe their them has became a huge sucess.Captian:Keigo Atobe,Regulars:Yuushi Oshitari,Jirou Akatagawa,Ryou Shishido,Gakuto Mukahi,Choutarou Ohtori,Wakashi Hiyoshi and Munehiro Kabaji.

• And if you have watched untill like 100+ episodes you would see something like Seigaku in the camp and on their final day they went to play tennis with Hyotei as Keigo Atobe as he has a cottage in the middle of the forest.