Wikipedia - K4 League

The K4 League is the fourth-highest division in the South Korean football league system. It is regarded as the successor to the K3 League Basic, the second division of amateur K3 League founded in 2017.

Since 2021, Korea Football Association has allowed reserve teams of the K League to join the K4 League.

The South Korea K4 League is an exciting and competitive football tournament that serves as the fourth tier of the South Korean football league system. Established to promote grassroots football and provide a platform for emerging talent, the K4 League features a diverse array of clubs, ranging from community teams to semi-professional outfits.

The league operates on a promotion and relegation system, allowing successful teams to ascend to the K3 League, while also providing a pathway for players to showcase their skills and potentially move up to higher levels of competition. Matches are held across various venues, creating a vibrant atmosphere as local fans rally behind their teams.

The K4 League not only emphasizes competitive play but also focuses on the development of young players, fostering a love for the game at the community level. With its commitment to inclusivity and growth, the K4 League plays a vital role in the South Korean football landscape, nurturing the next generation of stars and enriching the nation's sporting culture. Whether you're a die-hard football fan or a casual observer, the K4 League promises thrilling matches and a celebration of local talent.