The Karate One-Premier League is the most prestigious league event in the world of karate. It consists of several of the most prominent karate competitions and aims to unite the world's top karate athletes in open championships of unparalleled scale and quality. As the World Karate Federation's (WKF) elite competition, participation is limited to 32 competitors per category.

Furthermore, karate’s “Best of the Best” are crowned at the Karate One-Premier League through the most prestigious annual individual recognition, known as the "Grand Winners" award. Competitors who rank first in the Karate One-Premier League standings in each individual category at the end of the season will receive this celebrated honour.

The Karate One - Series A consists of a series of top international tournaments held worldwide, aimed at increasing the annual number of WKF events while providing competitors with additional opportunities to enhance their positions in the WKF World Ranking. Furthermore, the Karate One - Series A serves as an additional platform to showcase the prestige of Karate’s major events and the sport’s global development.

The Karate One-Youth League is a competition designed to showcase the impact of Karate on young athletes. Created under the umbrella of Karate One and intended to complement the Karate One-Premier League and Karate One-Series A, the Karate One-Youth League aims to serve as a platform for the development of young practitioners as they strive to advance in the sport.