They qualified through the GSL Open tournaments, being the best among the best in South Korea at the moment, 16 players have advanced to the round of 16, while the remaining 16 will defend their spot in S-Class through the up-and-down matches.

Results and scores will be updated in this article as the games proceed.

Code S - Ro16 Group StandingsGROUP A
Top two qualifies for the quarter finals.
1st. IMNesTea0-0
1st. oGsZenio0-0
1st. SlayerS_BoxeR0-0
1st. TSL_Trickster0-0
GROUP B
Top two qualifies for the quarter finals.
1st. IMMvp0-0
1st. TheBestfOu0-0
1st. choyafOu0-0
1st. oGsHyperdub0-0
GROUP C
Top two qualifies for the quarter finals.
1st. NsPGenius0-0
1st. oGsNaDa0-0
1st. TSL_Clide0-0
1st. IdrA0-0
GROUP D
Top two qualifies for the quarter finals.
1st. oGsMC0-0
1st. ST_RainBOw0-0
1st. MarineKingPrime.WE0-0
1st. LiquidJinro0-0