MatstoriesBeat experience
Beat Casper Grimes at 33 recorded matches to their 1
At SYDNEY JIUJITEIROS #10, they had 1 recorded matches. Casper Grimes already had 33.
Yuin-River Johnson is a Grey belt Brazilian jiu-jitsu competitor from Gracie Botany, with a recorded Australian record of 2–5.
Fought 7 recorded matches as Grey since Feb 2026
Grey, 7 recorded matches at this beltBeat experience
Beat Casper Grimes at 33 recorded matches to their 1
At SYDNEY JIUJITEIROS #10, they had 1 recorded matches. Casper Grimes already had 33.
Wins
2
Win rate
29%
Losses
5
Gi
25%
1–3 · 4 matches
No-Gi
33%
1–2 · 3 matches
By belt
Finished events, newest first. Each one opens that event recap.
SYDNEY CUP CHAMPIONSHIP
15 Mar 2026 · Maroubra, NSW 2035
SYDNEY JIUJITEIROS #10
1 Feb 2026 · Sydney, New South Wales
2 rows
Recorded Australian matches Matstories has synced. Not a world record.