There's a cure for this and its simple.
She should play against this freak. Just knee him hard in the groin on a play and watch him fall. A good kick in a place where them hangin down do not exist on females would quickly demonstrate his gender..
All kinds of stuff happens in a basketball game. Getting kicked where yer posterity comes from would be a real identifier... OOOOOOOOOOPPPPPSSSSSS. So sorry. I thought this was a women's game..