To be fair, 95 lb guys also have the same low changes of actually beating a 225 lb man, yet Bruce Lee, Jackie Chan, and Jet Li pull that off loads of times, so I’m pretty sure it’s technically possible for a 95 lb girl to do that if they practice that kind of martial art. That said, however, they’d need to either be superhuman (either a space alien humanoid like Kara Zor-El, a mythological creature like Ariel from The Little Mermaid, or anything like that), or they’d need to extensively train in the art (twice as much as a man, if not three times as much, just to come close to breaking even).
It’s a muscle and bone mass thing coupled with training.
A 100 lb man and a 100 lb woman fighting would not be a fair fight any more than me (230lbs) fighting a 230 lb black bear would be a fair fight. I’d almost certainly get my butt whipped, and then eaten. :)