The Japan - NPB Reserve League is a competitive baseball tournament organized by Nippon Professional Baseball (NPB), serving as a developmental platform for emerging talent and providing opportunities for players to showcase their skills outside the main professional league. Featuring reserve and farm teams from NPB's Central and Pacific Leagues, the Reserve League offers a high level of competition, fostering player growth and team cohesion. The tournament typically runs during the NPB season, with games held at various stadiums across Japan, attracting dedicated fans and scouts eager to identify future stars of Japanese baseball. It plays a crucial role in nurturing young talent and maintaining a strong pipeline of skilled players for the top-tier NPB teams.