T1 T1 Korea Rank #4 stax Kim Gu-taek (김구택) Meteor Kim Tae-oh (김태오) BuZz Yu Byeong-cheol (유병철) DH Kang Dong-ho (강동호) iZu Ham Woo-ju (함우주) has announced the release of two members of its coaching staff, with head coach Yoon "Autumn" Eu-teum (윤으뜸) and coach Seol "Indigo" Do-hoon (설도훈) departing the organization.

According to the VCT Global Contract Database, Autumn's deal with T1 ran until the end of 2025, meaning T1 opted not to renew his deal with the organization.

Autumn holding the Masters Bangkok trophy. Autumn holding the Masters Bangkok trophy. (Image: Riot Games)

Autumn had been with T1 since May of 2022, coaching the team through the transition from its North American era to the current Korean era. He arrived alongside xeta as part of a trade with Cloud9 Cloud9 North America Rank #6 Xeppaa Erick Bach v1c Victor Truong mitch Mitch Semago OXY Francis Hoang , where he served as head coach for just over a year after a short stint in 2020 with C9's sister organization, Cloud9 Korea Cloud9 Korea Inactive Bazzi Park Jun-ki (박준기) Munchkin Byeon Sang-beom (변상범) BuZz Yu Byeong-cheol (유병철) Hate Lee Ye-hun (이예훈) xeta Son Seon-ho (손선호) .

In 2023, the first year of the partnership era, T1 fielded an all-Korean roster with two players who have, in their careers, competed on English-speaking rosters in ban and Sayaplayer . CheongGak also joined T1 in 2023, entering the coaching booth before regional play began. After a third-place finish at the end of the Pacific League, T1 qualified for Masters Tokyo and Champions Los Angeles, but ultimately disappointed on the international stage with group stage exits at both events.

T1 changed its approach for 2024, picking up international players Rossy and xccurate , and letting go of CheongGak for American coach Daeda . After finishing 3rd-4th at Pacific Kickoff, T1 clawed back in Stage 1, qualifying for the playoffs with a 2-4 group stage record and then making a strong run through the playoffs to finish third and qualify for Masters Shanghai. After falling two games into the event's Swiss Stage, T1 returned to Pacific play but disappointed. They finished seventh, missing out on the playoffs and not finishing with enough points to qualify for Champions Seoul.

Midway through 2024, T1 picked up countryman and DRX DRX Korea Rank #1 Flicker Kim Tae-hee (김태희) Flashback Cho Min-hyuk (조민혁) MaKo Kim Myeong-gwan (김명관) free1ng No Ha-jun (노하준) HYUNMIN Song Hyun-min (송현민) BeYN Kang Ha-bin (강하빈) IGL stax as part of a move towards an all-Korean roster. In the offseason, they let go of Sayaplayer, Rossy, and xccurate, picking up BuZz , Meteor , and Sylvan to return to a full-Korean, six-man roster. They also brought back CheongGak in place of Daeda, also signing former T1 Academy T1 Academy Korea Rank #6 Pkm Park Kang-min (박강민) Moothie Yoo Seung-Woo (유승우) exa Kim Lee-hwan (김이환) GangPin Chae Jung-moo (채정무) Efina Kim Nak-yeon (김낙연) coach Indigo .

With Masters Shanghai MVP Meteor and a pair of DRX veterans in the squad, T1 started the 2025 season off strong, but fell in the Pacific Kickoff grand final to the DRX squad they poached two players from. The result qualified T1 for Masters Bangkok, though. T1 narrowly survived the Swiss Stage with a 2-1 record, and then fought through the lower bracket in the playoffs to defeat North American powerhouses G2 Esports G2 Esports North America Rank #2 jawgemo Alexander Mor trent Trent Cairns valyn Jacob Batio JonahP Jonah Pulice leaf Nathan Orf , lifting their first-ever VCT title. T1 returned to regional play in hot form, but fell flat, missing out on Masters Toronto qualification in Stage 1, and then finishing fourth in Stage 2. T1 still qualified for Champions Paris as the third seed in Pacific through Championship Points, but fell in the group stage for a second straight year, eliminated by G2.

While T1 T1 Korea Rank #4 stax Kim Gu-taek (김구택) Meteor Kim Tae-oh (김태오) BuZz Yu Byeong-cheol (유병철) DH Kang Dong-ho (강동호) iZu Ham Woo-ju (함우주) 's coaching booth is down to just CheongGak, their player contracts all run through at least the 2026 season, leaving their full roster as:

  • Kim "stax" Gu-taek (김구택)
  • Kim "Meteor" Tae-oh (김태오)
  • Yu "BuZz" Byeong-cheol (유병철)
  • Kang "DH" Dong-ho (강동호)
  • Ham "iZu" Woo-ju (함우주)
  • Lee "carpe" Jae-hyeok (이재혁)
  • Shin "Norman" Jun-ho (Manager)
  • Lee "CheongGak" Il-ho (이일호) (Coach)