Tournament:SWT: NA Southwest Ultimate Online Qualifier

SWT: NA Southwest Ultimate Online Qualifier was the eighth Super Smash Bros. Ultimate qualifier for Phase One of the Smash World Tour 2021. It was region locked to several southwestern U.S states. The top six players of the main bracket and the top two players from the Last Chance Qualifier were invited to the Phase Two tournament.

Regions

 * Arizona
 * California
 * Colorado
 * Hawaii
 * Kansas
 * Nevada
 * New Mexico
 * Oklahoma
 * Texas
 * Utah

Super Smash Bros. Ultimate singles
(1,007 entrants) Top Cut (Top 32) Finals (Top 6) * DQ'd in Losers. ** DQ'd the tiebreaker.

Super Smash Bros. Ultimate Last Chance Qualifier
(1,001 entrants) Top Cut (Top 30) Finals (Top 8) * DQ'd in Losers.

Coaching controversy
Following 's match with him, accused him of being coached from, using a clip of Ronin talking about Nito's gameplay as evidence. Although Nito denied the accusations and Ignis requested the TOs to let Nito go, he was disqualified by an hour later, allowing Ignis to move on. This decision became controversial, as several players such as believed Nito was unfairly disqualified due to lack of evidence.