The Grappling Index

Independent, data-driven ratings for professional grappling & jiu jitsu

Men's No-Gi Men's Gi Women's No-Gi Women's Gi Overall All-Time Methodology

Proving Grounds (2023)

1 recorded matches · 2023

Winner	Opponent	Method	Division
Oliver Taza	Dan Crawford	Inside heel hook

Rankings update every Monday. · Rankings archive

© 2026 The Grappling Index. BJJ & grappling ratings computed from verified results. Data through 2026-08-17.