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LCK 2015
Series LCK
Location Seoul, South Korea
Introduction
The 2015 season of Champions was the fourth season of Korea’s top-level professional League of Legends league and the first to adopt a single-league structure rather than multiple conferences (merging sister teams). This season marked the rise of the 
SK Telecom T1 dynasty and the emergence of the 
GE Tigers (later 
KOO Tigers) as world-class contenders.
Key Points
- SK Telecom T1 Dominance: Following the merger of SKT K and S, the team dominated both splits with world-class stars like Faker and MaRin.
- Format Evolution: The single-league format allowed every team to play each other, significantly increasing the competitive floor of the region.
- Global Impact: Champions 2015 set the stage for Korea's absolute dominance at Worlds 2015, resulting in an all-Korean final.
Season Structure
Spring & Summer Splits
- Regular Season: Double round-robin format with matches played as Best-of-Three (Bo3).
- Playoffs: A King-of-the-Hill sequential bracket based on regular season standings.
- Series Format: Sequential rounds were Bo3/Bo5, with the Grand Final decided in a Best-of-Five (Bo5).
World Championship Qualification
- Split champions and teams with high Championship Points earned qualification for the World Championship.
Participating Teams
LCK Spring 2015
- CJ Entus
CJ Entus
- TOP
- Shy
- JNG
- Ambition
- MID
- Coco
- BOT
- Space
- SUP
- MadLife
- Incredible Miracle
Incredible Miracle
- TOP
- Lil4c
- JNG
- Wisdom / Ares
- MID
- Frozen
- BOT
- SONSTAR
- SUP
- TusiN
- GE Tigers
GE Tigers
- TOP
- Smeb
- JNG
- Lee
- MID
- Kuro
- BOT
- PraY
- SUP
- GorillA
- Jin Air Green Wings
Jin Air Green Wings
- TOP
- TrAce
- JNG
- Chaser / Winged
- MID
- GBM
- BOT
- Pilot / Cpt Jack
- SUP
- Chei / XD
- KT Rolster
KT Rolster
- TOP
- Ssumday
- JNG
- Score
- MID
- Nagne
- BOT
- Arrow
- SUP
- hachani / Fixer
- NaJin e-mFire
NaJin e-mFire
- TOP
- Duke
- JNG
- Watch / Peanut
- MID
- Ggoong / TANK
- BOT
- Ohq / Zefa
- SUP
- Cain / Pure
- Samsung Galaxy
Samsung Galaxy
- TOP
- CuVee
- JNG
- Eve / BlisS
- MID
- Ace
- BOT
- Fury
- SUP
- Wraith
- SK Telecom T1
SK Telecom T1
- TOP
- MaRin
- JNG
- Bengi / Tom
- MID
- Faker / Easyhoon
- BOT
- Bang
- SUP
- Wolf / Piccaboo
LCK Summer 2015
- CJ Entus
CJ Entus
- TOP
- Shy / Helper
- JNG
- Ambition / Trick
- MID
- Coco
- BOT
- Space
- SUP
- MadLife / Max
- Incredible Miracle
Incredible Miracle
- TOP
- Apple / Expession / Lilac
- JNG
- TusiN / Lilac / Spooky
- MID
- Frozen
- BOT
- Roar / SONSTAR / Paragon
- SUP
- IgNar
- Jin Air Green Wings
Jin Air Green Wings
- TOP
- TrAce
- JNG
- Chaser / Winged
- MID
- GBM / Kuzan
- BOT
- Pilot / Cpt Jack
- SUP
- Sweet / Chei
- KOO Tigers
KOO Tigers
- TOP
- Smeb
- JNG
- Hojin / Wisdom
- MID
- Kuro
- BOT
- PraY
- SUP
- GorillA
- KT Rolster
KT Rolster
- TOP
- Ssumday
- JNG
- Score
- MID
- Nagne / Edge
- BOT
- Arrow
- SUP
- Fixer / Piccaboo
- NaJin e-mFire
NaJin e-mFire
- TOP
- Duke
- JNG
- Watch / Peanut
- MID
- Ggoong / TANK
- BOT
- Ohq
- SUP
- Pure
- Rebels Anarchy
Rebels Anarchy
- TOP
- ikssu / cvMax
- JNG
- lira
- MID
- Mickey
- BOT
- Sangyoon
- SUP
- SnowFlower
- Samsung Galaxy
Samsung Galaxy
- TOP
- CuVee
- JNG
- Eve / BlisS
- MID
- Crown
- BOT
- Fury
- SUP
- Luna / Wraith
- SBENU Sonicboom
SBENU Sonicboom
- TOP
- Soul / SoaR
- JNG
- Catch
- MID
- SaSin / do it
- BOT
- Nuclear / dan
- SUP
- Secret / viviD
- SK Telecom T1
SK Telecom T1
- TOP
- MaRin
- JNG
- Tom / Bengi
- MID
- Easyhoon / Faker
- BOT
- Bang
- SUP
- Wolf
Champions 2015 Spring Split
Spring Regular Season| Rank | Team | Series | Games | Pts | Str | Notes |
|---|---|---|---|---|---|---|
| 1 | GE Tigers | 12 - 2 | 25 - 6 | 19 | 1L | Finals Seed |
| 2 | SK Telecom T1 | 11 - 3 | 23 - 9 | 13 | 7W | Round 2 Seed |
| 3 |  CJ Entus | 10 - 4 | 20 - 12 | 8 | 3W | Round 1 Seed |
| 4 |  Jin Air Green Wings | 7 - 7 | 17 - 15 | 2 | 3L | Round 1 Seed |
| 5 |  KT Rolster | 6 - 8 | 15 - 18 | -3 | 4W | |
| 6 |  NaJin e-mFire | 5 - 9 | 14 - 19 | -5 | 2L | |
| 7 |  Incredible Miracle | 3 - 11 | 8 - 23 | -15 | 8L | |
| 8 |  Samsung Galaxy | 2 - 12 | 6 - 26 | -20 | 1W |
Spring Playoffs (King of the Hill)
Round 1
Jin Air 0
CJ Entus 3
Best-of-Five
Round 2
SK Telecom T1 3
CJ Entus 2
Spring Final
GE Tigers 0
SK Telecom T1 3
SKT T1 Wins Spring Split Champions 2015 Summer Split
Summer Regular Season| Rank | Team | Series | Games | Pts | Str | Notes |
|---|---|---|---|---|---|---|
| 1 | SK Telecom T1 | 17 - 1 | 35 - 6 | 29 | 3W | Finals Seed |
| 2 | KT Rolster | 13 - 5 | 28 - 16 | 12 | 4W | Round 3 Seed |
| 3 | CJ Entus | 12 - 6 | 27 - 19 | 7 | 1L | Round 2 Seed |
| 4 | KOO Tigers | 11 - 7 | 26 - 16 | 9 | 1W | Round 1 Seed |
| 5 | NaJin e-mFire | 11 - 7 | 26 - 19 | 7 | 1L | Round 1 Seed |
| 6 | Jin Air Green Wings | 10 - 8 | 22 - 20 | 2 | 1W | |
| 7 | Samsung Galaxy | 6 - 12 | 16 - 27 | -11 | 1W | |
| 8 |  Rebels Anarchy | 5 - 13 | 17 - 29 | -12 | 1L | |
| 9 | Incredible Miracle | 4 - 14 | 12 - 30 | -18 | 3L | |
| 10 |  SBENU Sonicboom | 1 - 17 | 8 - 35 | -28 | 2L |
Summer Playoffs (Sequential Ladder)
Round 1
NaJin 1
KOO Tigers 2
Best-of-Three
Round 2
CJ Entus 0
KOO Tigers 3
Round 3 (Semi)
KT Rolster 3
KOO Tigers 2
Summer Final
SK Telecom T1 3
KT Rolster 0
SKT T1 Wins Summer Split Season Highlights and Legacy
- Branding: Champions 2015 was the final season before the league officially rebranded as LCK in 2016.
- Historic Sweep: SK Telecom T1 became the first team in the unified league history to win both Spring and Summer splits in a single year.
- The Tigers' Rise: GE/KOO Tigers established a unique identity with aggressive gameplay and tactical ingenuity, finishing as regular season leaders and Worlds finalists.
- Worlds 2015: The strength of this season culminated in SKT T1 winning the 2015 World Championship with a nearly undefeated tournament record.