On April 13, 2019, SKT won the 2019 LCK Spring final, earning Faker his seventh LCK title.
In May 2019, SKT represented the LCK at the 2019 Mid-Season Invitational. They finished the group stage in second place but lost 2–3 to G2 Esports in the semifinals.
On July 7, 2019, SKT, alongside with three other LCK teams, won their league's first Rift Rivals championship title after defeating LPL teams by 3–1. After winning his first Rift Rivals title, Faker became the first and only player to have won all of the League of Legends international tournaments (Mid-Season Invitational, World Championship, Rift Rivals, All-Star) organized by Riot Games.
Faker played his 500th match in the LCK on August 21, 2019, during the LCK Summer Playoffs. He won his 500th game against Afreeca Freecs with Qiyana, with a KDA of 7/1/14. He won his eighth LCK title along with his team members on August 31, 2019 in the 2019 Summer LCK Final. His team qualified as the LCK's first seed for the 2019 League of Legends World Championship.
On October 27, 2019, Faker achieved his 100th international win after defeating Splyce at the 2019 World Championship.
At the 2019 World Championship, SKT was once again defeated by G2 Esports in a semifinals series, losing 1–3.