The Korea National League was a South Korean semi-professional football league held annually from 2003 to 2019. It was considered the second-highest division of the South Korean football league system before the K League 2 was launched in 2013, and the third-highest division since then.
The K3 League was a South Korean amateur football league held annually from 2007 to 2019. It was considered the third-highest division of the South Korean football league system before the K League 2 was launched in 2013, and the fourth-highest division since then. In 2017, it was divided into K3 League Advanced and fifth-tier league K3 League Basic, and introduced a system of promotion and relegation. In 2020, it was reborn as a semi-professional league after merging with the Korea National League.
Seoul Nowon United FC is a South Korean semi-professional football club based in Nowon District, Seoul. It currently competes in the fourth tier of the South Korean football league system, the K4 League. Until 2018, the club was named Seoul United FC.
Pyeongchang United FC, formerly Gwangju Gwangsan FC and Pyeongchang FC until 2014 and 2019 respectively is a South Korean football club based in the city of Pyeongchang. The team currently play of the K4 League, a semi-professional league and the fourth tier of football in South Korea.
The South Korean football league system contains two professional leagues, two semi-professional leagues, and various amateur leagues for Korean football clubs.
The R League, also known as the Korean Professional Football Reserve League, is the league for reserve teams of professional football clubs in South Korea.
Paju Citizen Football Club is a South Korean football club based in the city of Paju. The club is a member of the K3 League, a semi-professional league and the third tier of semi professional football in South Korea.
K League (Korean: K리그) is South Korea's professional football league. It includes the first division K League 1 and the second division K League 2.
Ulsan Citizen FC is a South Korean football club based in the Ulsan. The club is a member of the K3 League, the third tier football in South Korea, and it started to join K3 League Basic in the 2019 season until promotion to the third tier in 2020 as runner-up.
The 2019 K3 League Advanced was the 13th and last season of amateur K3 League. After the end of the 2019 season, the K3 League was relaunched as a semi-professional league by Korea Football Association (KFA).
The 2019 K3 League Basic was the third and last season of the K3 League Basic. After the 2019 season, amateur K3 Leagues were relaunched as semi-professional leagues in the name of K3 League and K4 League.
The 2020 K3 League was the first season of the K3 League as a semi-professional league. After the 2019 season, the former Korea National League and K3 League Advanced went defunct and rebranded as the K3 League.
The 2020 K4 League is the first season of the K4 League. The K4 League was regarded as the successor to the K3 League Basic, which was abolished in 2019.
The K3 League is the third-highest division in the South Korean football league system. It was run as an amateur league until 2019, but was relaunched as a semi-professional league after absorbing the Korea National League in 2020. It is currently contested by 16 clubs.
The 2021 K4 League is the second season of the K4 League.
Dangjin Citizen FC is a football club based in Dangjin, South Korea. They were founded in 2020, and currently plays in the K4 League, a semi-professional league and the fourth tier of football in South Korea.
The 2022 K4 League was the third season of the K4 League.
The 2022 K3 League was the third season of the K3 League as a semi-professional league. Its regular season was held from 26 February to 29 October 2022.
The 2023 K4 League was the fourth season of the K4 League.
The 2023 K3 League was the third season of the K3 League as a semi-professional league. Its regular season was held from 11 March to 11 November 2023.
