MatstoriesUpset win
Ended a 13-match win streak
Beat Yana Kolaroski at Caloundra Open 2026 while they were on a 13-match run.
Sienna Roberts is a Grey belt Brazilian jiu-jitsu competitor from SJJA Team, with a recorded Australian record of 17–3.
Fought 20 recorded matches as Grey since Nov 2025
Grey, 20 recorded matches at this beltUpset win
Ended a 13-match win streak
Beat Yana Kolaroski at Caloundra Open 2026 while they were on a 13-match run.
Wins
17
Win rate
85%
Losses
3
Gi
91%
10–1 · 11 matches
No-Gi
78%
7–2 · 9 matches
By belt
Finished events, newest first. Each one opens that event recap.
This page is compiled from public competition records. If it is yours and you want it hidden, email matstories@proton.me with this page URL.
Recorded Australian matches Matstories has synced. Not a world record.
7 rows