In case you needed more proof.
An Army soldier–while deployed in Iraq–decided to issue the challenge that she could beat any Marine on the base.
This is what happened (HT: Vox Day).
Vox made the astute observation that neither one of these two folks had a clue about boxing. I agree: had the man gone for the midsection rather than the head, this fight would have been over in about 30 seconds.
Personally, I think the guy was taking it easy on her.
To her credit, she was tougher than the average gal; she took punches better than I expected she would, but she was totally defenseless. She lacked speed; she lacked mobility. Strength-wise, she was totally in over her head. The outcome was not in doubt; only the time of knockout was of any debate.
What I found ridiculous is that she showed an utter lack of sportsmanship after the match. That is quite telling.