Please Help me the single leg side control dont go

See the thing is I've searched on how to do this all over I'm middleweight 1st place for takedowns in North America but not even I know how to do this it seems not even EA themselves will answer this critical question because the it seems the fact is they simple don't have an answer and as a gifted takedown artist I've fpund out through gameplay that it's completely random.... Also don't * EA off...

Alright it only works in instances where your opponents stamina is low great luck brother