He won that round fair and square, and reinforced a lesson that sometimes takes a while to sink in even for experienced fighters: the moment someone has you in a choke like that, he holds your own physical safety in his hands. If you don't understand this, you have no business being on the mat and sparring with him.
There are women who I would rate highly in a real, down-and-dirty street fight. Avivit Cohen and Yella Elyashar, Dan 4, are two such women. (I've trained under Yella Elyashar and her teachers, Ilan Fadlon , Dan 6, and Uri Refaeli, Dan 8. She is terrifyingly skilled. She's also one of the nicest people you'll ever meet.) There is also Katrina Reynolds, Dan 2, who could unquestionably handle herself in a fight. And there are a small number of high-ranking female belts at my school who could take on most men and win.
But they are precious few in number. And make no mistake- the vast majority of women who train in martial arts are going to have a very tough time in the real world when stuff gets real.