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Yamaoka Shuma is a competitive kart racing driver from Japan, currently ranked #285 in the world in the OK category with a WKR Rating of 2.0 from 1 counted races. Rankings by World Karting Rankings, updated August 3, 2026.
The OK world classification currently lists Yamaoka in P285 among 323 ranked drivers, with a WKR Rating of 2.0 built from 1 counted races.
Yamaoka’s most recent final in our database was P29 at Winter Cup on 6 May 2026.
In the fight for OK positions, Yamaoka trails Petra Babickova (P284) by 0.0 rating points and holds a 0.7-point margin over Kristian-Aleksander Rost (P286).
Races this driver has competed in that are in our database and count toward their WKR rank — these are participations, not race results.
Yamaoka Shuma has 1 counted race participation across 1 event in OK recorded in the WKR database. Yamaoka Shuma currently holds world rank #285 in OK with a WKR Rating of 2.0. Compare with other drivers from Japan on the drivers list.
| Date | Race |
|---|---|
| 06 May 2026 | Winter Cup |