SPOILER ALERT: the following article contains massive spoilers, including the ending. If you have not yet seen the movie, proceed at your own risk, or better, come back to this article later!
SPOILERS AHEAD
Ryoma! The Prince of Tennis Plot Summary and Synopsis
Inspired by his tennis champion father, Ryoma is determined to take his game to the next level and train in the US. But in the middle of an intense tennis battle to save his classmate Sakuno from dangerous villains, they somehow find themselves transported back to the past, just as Ryoma’s father is about to undertake his final championship match at the US Open – when he was mysteriously forced to retire. Sing, Dance, and Play along with the innovative 3D digital animation that brings the magnificent and colorful world of The Prince of Tennis to life on the big screen.
Source: Wikipedia (CC BY-SA 3.0).