This article shows the 2018 season of South Korean football. National team results Senior team Under-23 team K League K League 1 K League 2 Promotion-relegation playoffs The promotion-relegation playoffs were held between the winners of the 2018 K League 2 playoffs and the 11th-placed club of the 2018 K League 1. The winners on aggregate score after both matches earned entry into the 2019 K League 1. FC Seoul won 4–2 on aggregate and therefore both clubs remain in their respective leagues. Korean FA Cup Korea National League WK League Playoff and championship AFC Champions League See also Football in South Korea References External links Seasons in South Korean football