MattyMatty trains MMA regularly and he said he would lose to Rhonda, but you think the avg bro would just handle her?
Things like skull density, muscle mass, etc are real but it's just not gonna matter when you are talking the best female vs your average dude. Do you realize how much technical training goes into judo? When you've been a prodigy at that all your life, you just have so many ways to beat someone. They would just get caught in a submission. 99.9% of the population knows 0 about technical fighting.
The skill gap is just a lot bigger than you're thinking.
Everyone has a plan until punched in the nose Pats. An athletic man would knock her out.