| Obasuma OST 4 | |
|---|---|
| Dates | October 24th, 2020 |
| Address/City | Miyagi, Tohoku 
|
| Attendance | 64 |
| Results | |
 winners
|
Nau
|
Obasuma OST 4 was a Super Smash Bros. Ultimate regional tournament held in Japan on October 24th, 2020.
Results
(64 entrants)
Top 32 Bracket
| Place | Name | Character(s) | Earnings |
|---|---|---|---|
| 1st | Tenra |
 |
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| 2nd | Himo |
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|
| 3rd | Dera |
  |
|
| 4th | Taiyaki |
 |
|
| 5th | Nau |
 |
|
| 5th | Ecs |
 |
|
| 7th | Asazima |
  |
|
| 7th | Ogane |
|
|
| 9th | Tenka |
 |
|
| 9th | Deeple |
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|
| 9th | Masamiya |
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|
| 9th | Memewo |
 |