The 2019 U-18 Baseball World Cup or the XXVIV U-18 Baseball World Cup was an international baseball tournament held by the World Baseball Softball Confederation for players 18-year-old and younger. The 2019 edition was held in Gijang, South Korea from August 30 to September 8, 2019.
First Round: The twelve participating nations were drawn into two groups of 6, in which single round robin will occur. The top 3 nations from each group advances to the Super Round, while the bottom 3 nations from each group advance to the Consolation Round.
Consolation Round: The 6 nations in this round play one game against the teams they have not played yet. (example: The 4th placed team from Group A will play the bottom three teams from Group B)
Super Round: The format in the Super Round is similar to that of the Consolation Round. Each team plays the top three teams from the opposing group. (example: The 1st placed team from Group B will play the top three teams from Group A) The standings for this round will include the 2 games played against the 2 other Second Round qualifiers from the team's First Round group, and the 3 games played in the Second Round, for a total of 5 games. The 3rd and 4th place finishers advance to the Bronze Medal Game, and the 1st and 2nd place finishers advance to the Gold Medal Game.
Finals: The Finals consist of the Bronze Medal Game, contested by the 3rd and 4th place finishers, and the Gold Medal Game, contested by the 1st and 2nd place finishers.
<nowiki>*</nowiki> Minimum 2.7 plate appearances per game
<nowiki>*</nowiki> Minimum 0.8 innings pitched per game<br> <nowiki>**</nowiki> They are tied with others with a 0.00 ERA but they pitched the most innings (10.0)