Tournament:Kagaribi 4

Kagaribi 4 was a Super Smash Bros. Ultimate supermajor held in Tokyo, Japan, from June 26th-27th, 2021. Due to a state of emergency as a result of a COVID-19 surge in Japan, the tournament was postponed twice, from an initial date of April 25th to May 22nd, then to the current date. With many of Japan's best players, including 17 of the 20 Japanese players on the Fall 2019 PGRU (everyone but, , and ), in attendance, Kagaribi 4 was the first supermajor since the start of the COVID-19 pandemic. All sets in the tournament were best of 5.

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

Trivia

 * This tournament marks the worst placement for a number of players in an Ultimate tournament:
 * with a placement of 49th.
 * with a placement of 97th.
 * This tournament marks the highest placement of a solo- player at a Japanese tournament, with placing 17th.
 * Each player in Losers' side Top 8 was sent to the Losers' bracket by a unique player in Winners' side Top 8.
 * This tournament,, , , and are the only Ultimate majors to have a winner seeded outside of the top 16 ( was seeded 25th).