The Prince of Tennis (2001)

Prince of Tennis follows the story of a 12 year old boy Ryoma Echizen who won four consecutive titles in the American Junior Tennis tournaments. He's an amazing tennis player and is considered a prodigy. He moved from America to Japan and attends Seishun Academy Middle School or Seigaku as it is commonly referred to in the anime. The anime follows the matches between Seigaku and other middle schools such as Hyotei and Fudomine, and Seigaku's preparations for the matches.