Tournament:Kamisuma 20

Kamisuma 20 was a Super Smash Bros. Ultimate regional tournament held in Japan on October 1st, 2023.

Tournament summary
The tournament was notable for the top two seeds being upset in the 3rd round of the tournament. The 1st seed, placed 13th after being upset by the 17th seed, , in Winners and the 9th seed, , in losers. The second seed,, placed 4th after being upset by the 15th seed  in winners and the 5th seed, , in losers.

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