Tournament:SWT: Japan Ultimate Online Qualifier

SWT: Japan Ultimate Online Qualifier was the sixth Super Smash Bros. Ultimate qualifier for Phase One of the Smash World Tour 2021. It is region locked to Japan. 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. All players from Southeast Asia were unable to attend the Regional Finals due to COVID-19 travel restrictions, so they were replaced by eight competitors from Japan who attended this tournament.

Super Smash Bros. Ultimate singles
(210 entrants) Phase 2 (Top 32) Top Cut (Top 16) Finals (Top 6)

Super Smash Bros. Ultimate Last Chance Qualifier
(204 entrants) Top Cut (Top 18) Finals (Top 8)

Trivia

 * won the tournament after losing his second set in Winners to 1-2 and winning 13 sets in Losers.