All Japan Robot-Sumo Tournament
Japan's national robot sumo tournament since 1990, run by FUJI SOFT. The 2026 edition, the 38th, is announced as the last, with the grand final in December.
The All Japan Robot-Sumo Tournament is Japan’s national robot sumo competition, run by FUJI SOFT since 1990. On 3 August 2026 FUJI SOFT announced that the tournament is ending; the 2026 edition, the 38th, appears to be the last, with its grand final planned for December 2026 at Ryogoku Kokugikan in Tokyo.
At a glance
| Since | 1989 (experimental), official from 1990 |
| Organiser | FUJI SOFT, Inc. |
| Classes | Mega Sumo and Mini Sumo, each autonomous and radio-controlled |
| 2026 | Regional rounds August to September; grand final December 2026, reported as 19 to 20 December, Ryogoku Kokugikan |
| 2024 winner | Mega Sumo autonomous: Senju (Sumozade-Era Robotics, Turkey) |
| Official site | fsi.co.jp/sumo |
Where to watch
The tournament’s YouTube channel, @ROBO-SUMO, is listed on Wikipedia. No stream of the 2026 final has been announced yet.
How to enter
Entries for 2026 ran 1 to 31 July and were free; places were drawn by lottery, with results on 10 September. Entries are closed, and no further edition is planned.