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|Romanized Name:||Eo Yoon Su|
|Birth:||September 24, 1992|
|Team:||SK Telecom T1|
|WCS Rank (Points):||#43 (250 points)|
To read about SoO's StarCraft: Brood War career, see n.Die_soO.
Eo "soO" Yoon Su is a South Korean Zerg playing for SK Telecom T1.
 Wings of Liberty
soO played his first official StarCraft II match during the hybrid 2011-2012 Proleague Season 2.
 Heart of the Swarm
 WCS Korea
 WCS Korea Season 1 GSL
 WCS Korea Season 2 OSL
In his Round of 32 group, soO defeated Maru and sOs. In the Round of 16, he defeated PartinG 2-0, lost to Soulkey 1-2, and Symbol 1-2, dropping to the Challenger League again where he lost to GuMiho 1-2, going to the Up and Downs.
 WCS Korea Season 3 GSL
In his Up and Downs group, soO faced Life, herO, ByuN, and Bang. Winning over Life and ByuN, and despite a loss against herO, soO made it out of the group and back into Premier League for the 3rd season in a row.
- On his first official SC2 match, he was defeated by EffOrt.
- Won his first official SC2 match against Modesty.