The following chart shows the current status of players who participated in the following event: LCK 2021 Summer Playoffs
| Team | Role | ID | Name | Current Team | Role | Stream | Birthday | Age | |
|---|---|---|---|---|---|---|---|---|---|
 Afreeca Freecs | Kiin | Kim Gi-in (김기인) |  Gen.G | Top | Stream | kiin_99 | 1999-05-28 | 24 | |
| Afreeca Freecs | Dread | Lee Jin-hyeok (이진혁) | Jungle | Stream | 2000-06-07 | 23 | |||
| Afreeca Freecs | Fly | Song Yong-jun (송용준) | Mid | Stream | SongFly | 1996-02-25 | 28 | ||
| Afreeca Freecs | Leo | Han Gyeo-re (한겨레) |  Geekay Esports | Bot | Stream | 2000-01-12 | 24 | ||
| Afreeca Freecs | Lehends | Son Si-woo (손시우) | Gen.G | Support | Stream | lehends_lol | 1998-12-24 | 25 | |
| Afreeca Freecs | Cain | Jang Nu-ri (장누리) | Coach | liquidcain | 1987-02-06 | 37 | |||
| Afreeca Freecs | Spirit | Lee Da-yoon (이다윤) | Coach | Stream | LoL_SpiriToT | 1996-07-01 | 27 | ||
 DWG KIA | Khan ▶️ | Kim Dong-ha (김동하) |  Dplus KIA | Streamer | Stream | sadoqqqq | 1995-12-22 | 28 | |
| DWG KIA | Canyon | Kim Geon-bu (김건부) | Gen.G | Jungle | Stream | 2001-06-18 | 22 | ||
| DWG KIA | ShowMaker | Heo Su (허수) | Dplus KIA | Mid | Stream | 2000-07-22 | 23 | ||
| DWG KIA | Ghost | Jang Yong-jun (장용준) | Dplus KIA | Streamer | Stream | lolghosTnT | 1999-03-18 | 25 | |
| DWG KIA | BeryL | Cho Geon-hee (조건희) |  KT Rolster | Support | Stream | 1997-04-01 | 27 | ||
| DWG KIA | PoohManDu | Lee Jeong-hyeon (이정현) | Coach | Stream | pmdlol | 1991-01-29 | 33 | ||
| DWG KIA | Ares | Kim Min-kwon (김민권) |  KaBuM! Esports | Coach | mkmk_95 | 1995-12-11 | 28 | ||
| Gen.G | Rascal | Kim Kwang-hee (김광희) |  DRX | Top | Stream | Rascal_LOL1 | 1997-10-16 | 26 | |
| Gen.G | Clid | Kim Tae-min (김태민) | Jungle | Stream | 1999-07-07 | 24 | |||
| Gen.G | Bdd | Gwak Bo-seong (곽보성) | KT Rolster | Mid | Stream | Bdd990301 | 1999-03-01 | 25 | |
| Gen.G | Ruler | Park Jae-hyuk (박재혁) |  JD Gaming | Bot | Stream | RulereluR | 1998-12-29 | 25 | |
| Gen.G | Life | Kim Jeong-min (김정민) |  FunPlus Phoenix | Support | Stream | LifeGenG | 2000-07-07 | 23 | |
| Gen.G | oDin | Ju Yeong-dal (주영달) |  Kwangdong Freecs | Manager | qqRe5G3qC4C3A2f | 1987-07-15 | 36 | ||
| Gen.G | Ggoong | Yu Byeong-jun (유병준) | Coach | Stream | 1993-06-26 | 30 | |||
 Liiv SANDBOX | Summit | Park Woo-tae (박우태) |  Movistar R7 | Top | Stream | Summit_lol | 1998-12-08 | 25 | |
| Liiv SANDBOX | Croco | Kim Dong-beom (김동범) |  Anyone's Legend | Jungle | Stream | 2000-02-23 | 24 | ||
| Liiv SANDBOX | FATE | Yoo Su-hyeok (유수혁) | Mid | Stream | 2000-08-22 | 23 | |||
| Liiv SANDBOX | Prince ▶️ | Lee Chae-hwan (이채환) | Bot | Stream | FLYprince0405 | 2000-04-05 | 24 | ||
| Liiv SANDBOX | Effort | Lee Sang-ho (이상호) |  OK BRION Challengers | Support | Stream | LSH_Effort | 2000-11-23 | 23 | |
| Liiv SANDBOX | Micro | Kim Mok-kyoung (김목경) | DRX | Coach | 1986-09-17 | 37 | |||
| Liiv SANDBOX | Joker | Cho Jae-eup (조재읍) | Anyone's Legend | Coach | Stream | 1991-12-11 | 32 | ||
 NS RedForce | Rich | Lee Jae-won (이재원) |  Dignitas | Top | Stream | RichHots | 1998-02-16 | 26 | |
| NS RedForce | Peanut ▶️ | Han Wang-ho (한왕호) |  Hanwha Life | Jungle | Stream | lolPeanut98 | 1998-02-03 | 26 | |
| NS RedForce | Gori ▶️ | Kim Tae-woo (김태우) |  CTBC Flying Oyster | Mid | Stream | lol_GGGori | 2000-08-09 | 23 | |
| NS RedForce | Deokdam | Seo Dae-gil (서대길) | FunPlus Phoenix | Bot | Stream | 2000-02-25 | 24 | ||
| NS RedForce | Kellin | Kim Hyeong-gyu (김형규) | Dplus KIA | Support | Stream | 2001-02-01 | 23 | ||
| NS RedForce | sBs | Bae Ji-hoon (배지훈) | Coach | Stream | lolsbs_coach | 1992-07-02 | 31 | ||
| NS RedForce | Comet | Lim Hye-sung (임혜성) | KT Rolster | Coach | 1991-08-04 | 32 | |||
 T1 | Canna | Kim Chang-dong (김창동) | Top | Stream | 2000-02-11 | 24 | |||
| T1 | Oner | Mun Hyeon-jun (문현준) | T1 | Jungle | Stream | 2002-12-24 | 21 | ||
| T1 | Faker | Lee Sang-hyeok (이상혁) | T1 | Mid | Stream | faker | 1996-05-07 | 27 | |
| T1 | Teddy | Park Jin-seong (박진성) | DRX | Bot | Stream | T1__Teddy | 1998-03-15 | 26 | |
| T1 | Gumayusi | Lee Min-hyeong (이민형) | T1 | Bot | Stream | gumayusi_min | 2002-02-06 | 22 | |
| T1 | Keria | Ryu Min-seok (류민석) | T1 | Support | Stream | T1Keria | 2002-10-14 | 21 | |
| T1 | Stardust | Son Seok-hee (손석희) |  LOUD | Coach | Stream | StardustLUL | 1990-05-27 | 33 | |
| T1 | moment | Kim Ji-hwan (김지환) | Coach | Stream | 1993-12-19 | 30 |
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