The first official League of Legends tournament held in Korea was the LoL Champions Spring in 2012. It was held three times a year (Spring, Summer, Winter) in a tournament format. Famous international teams were invited and the honor of being the inaugural champion went to MIG Blaze.

• • LoL Invitational
  • Official launch of the Korean League of Legends(LoL) League

Champions Winter 2012-2013 and Spring 2013 were played with 12 Korean teams divided into two groups. Top 4 teams from each group advanced to the tournament stage. Starting in Summer 2013, the format changed to a round of 16 group stage and the same format stayed until Summer 2014.

• • SK Telecom T1 becomes the first Korean team to win the LoL World Championship
• • Samsung Galaxy White wins the LoL World Championship

Starting in 2015, the league’s name changed to League of Legends Champions Korea (LCK), transitioning from a tournament format to a full league system. The LCK switched to a two-split season (Spring and Summer) and only allowed one team per org. to participate. A promotion system was introduced.

• • Ahead of Summer, the league expands to 10 teams
  • SK Telecom T1 wins the LoL World Championship
  • The first LoL tryouts is held in Korea

Since the beginning of the league, OGN has been the exclusive producer, but starting from the summer of 2016, SPOTV Games joined the broadcast and a dual production system was introduced. This arrangement stayed for about three years until Riot Games Korea took over productions of the LCK in 2019.

• • SK Telecom T1 wins MSI
  • SK Telecom T1 wins the LoL World Championship
• • SK Telecom T1 wins MSI Samsung Galaxy wins the LoL World Championship
• • Griffin is promoted to the LCK Hanwha Life acquires Rox Tigers
  • LoL PARK opens
  • LoL World Championship is held in Korea

After building a dedicated arena, the LoL PARK, in Jongno-gu, Seoul, in September 2018, Riot Games Korea began operating the LCK in 2019. The decision to produce and broadcast directly through large-scale investments made a lot more room for flexibility in terms of viewer feedback and convenience.

• • Damwon Gaming is promoted to the LCK SANDBOX Gaming is promoted to the LCK
  • APK Prince is promoted to the LCK

While the COVID-19 pandemic suspended competitions in 2020, the LCK took advantage of esports’ ability to hold competitions online. The LCK was able to run the league without prolonged disruption by establishing an environment for online matches with teams participating from their own facilities.

• • COVID-19 pandemic outbreak… LoL PARK closes and matches are held online
  • LCK announces Franchise Model Team Dynamics is promoted to the LCK
  • 10 franchise teams are confirmed Damwon Gaming wins the LoL World Championship

In 2021, the LCK became the fourth league to transition to a franchise league. Franchising eliminated relegation and guaranteed teams a more stable participation in the league. Teams were able to explore ways to monetize such as improving performance, expanding fan bases, and increasing revenue.

• • Partnership with Woori Bank is extended The first LCK match after franchising
  • LCK Shop opens

In July 2022, the LCK announced three new systems to improve the league, ‘Rookie Development Clause’, ‘LCK Agent Certification’, and ‘LCK Pre-contract Policy’.

• • LCK announces three new policies
  • Summer Finals Regional Tour system is introduced… 2022 Summer
  • DRX wins the LoL World Championship LCK Agent Certification is implemented
• • Rookie Development Clause is implemented
  • 2023 Summer Finals in Daejeon is announced
  • The LCK announces the introduction of Sporting Financial Regulations(SFR)
  • LoL World Championship is held in Korea
  • T1 wins the LoL World Championship
• • SFR is implemented Partnership with Woori Bank is extended
  • 2024 Summer Finals in Gyeongju is announced
  • Gen.G wins MSI