Tournament:COST 2019

The Central Ohio Smash Tournament 2019, or simply COST 2019, was a Super Smash Bros. Ultimate regional tournament held in Hilliard, Ohio, on June 8th, 2019.

Super Smash Bros. Ultimate singles
(253 entrants) Top 64 Bracket

Super Smash Bros. Ultimate doubles
(53 teams) Top 16 Bracket