Atos HQ black belt Rolando Samson teaches 50/50 Pass Review, during the fundamental class on 06/22/2023.

You should check out this one too:
https://live.atosbjjondemand.com/what-s-new/videos/50-50-guard-pass

Rolando Samson received his black belt from Andre Galvao in June 2017. He is 2x IBJJF World No-Gi Champion, an IBJJF World Champion, and a UAEJJF Abu Dhabi Pro Champion (all during his colored belts).

Instagram: @rolando_samson

Better your skills with professor Rolando Samson.
Course: https://atosbjjondemand.com/rolando-samson-foundations-of-passing-de-la-riva