Tournament:SWT: East Asia South Ultimate Online Qualifier

SWT: East Asia South Ultimate Online Qualifier was the seventh Super Smash Bros. Ultimate qualifier for Phase One of the Smash World Tour 2021. It was region locked to several countries in Southeast Asia. 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. Due to COVID-19 travel restrictions, all eight of the qualified Southeast Asian players were unable to attend the regional finals. To make up for this, was automatically invited to the  to represent Southeast Asia, while the qualifying slots for the regional finals were reduced from six to five.

Regions

 * 🇭🇰 Hong Kong Hong Kong
 * 🇮🇩 Indonesia Indonesia
 * 🇲🇾 Malaysia Malaysia
 * 🇵🇭 Philippines Philippines
 * 🇸🇬 Singapore Singapore
 * 🇰🇷 South Korea South Korea
 * 🇹🇼 Taiwan Taiwan
 * 🇹🇭 Thailand Thailand
 * Vietnam Vietnam

Super Smash Bros. Ultimate singles
(190 entrants) Top Cut (Top 16) Finals (Top 6)

Super Smash Bros. Ultimate Last Chance Qualifier
(184 entrants) Phase 2 (Top 30) Finals (Top 8)