Tournament:Return to Subspace: ONLINE

Return to Subspace: ONLINE was a Super Smash Bros. Ultimate online tournament held on April 10th, 2021. It is the second qualifier tournament of the. The tournament also featured a side event called Brawl Only, in which only stages and characters which were present in Brawl could be used. Dave's Stupid Rule was also present in the side-event.

A Super Smash Bros. Brawl netplay event was also planned, but due to controversy from 's participation in the event, the Brawl TOs dropped out and held a different event alongside Return to Subspace: ONLINE.

Super Smash Bros. Ultimate singles
(296 entrants) Top 64 Bracket Top 8 Bracket

Super Smash Bros. Ultimate Brawl only
(109 entrants) Top 16 Bracket