Captain Tsubasa is based on the sport of soccer. Because it may have helped promote the sport, Captain Tsubasa was supported by the JFA: Japan Football Association during the development of the series with the objective to promove the sport in Japan.

The story focuses on the adventures of a Japanese Soccer team and its Soccer captain "Tsubasa Ozora". The series is characterized by dynamic soccer moves, often both stylish and impossible, similar to Shaolin Soccer. Plot focuses on Tsubasa's relationship with his friends, rivalry with his opponents, training, competition, and the action and outcome of each Soccer match.