The Match (2025)
Set in the 1980s-1990s, it tells the story of Cho Hun Hyeon, a Go champion who discovers a gifted but untrained young boy Lee Chang Ho in an amateur contest. He takes him under his wing to turn him into a professional player. Conflicts arise when the protégé later turns against his teachings.
(Source: Wikipedia)
~~ Based on the real life of two Go players.