To prove it, the company introduced a virtual lightsaber to a subject, tracking his swordsmanship perfectly and using his thumb extension to turn it on and off.
Unlike the heroes of the book, however, Miss Lovett did not scale a sheer cliff and dispatch her enemies with skilful swordsmanship in order to win what was rightfully hers.
Another possibility is that Musashi deliberately arrived late to disconcert his opponent, used only a wooden sword to further unbalance him, and used the psychological advantage he created, along with his formidable swordsmanship, to win the duel.