Q: If Bazett and Kuzuki got in a hand-to-hand fight against each other, who would win?

A: If it's the first fight, then Kuzuki will win. If it's the second fight, then Bazett would pretty much completely win. Kuzuki could even drive Saber into a corner as long as his trick was kept hidden, but Bazett is also an expert at hand-to-hand combat thought of and developed by human beings. There's the possibility that she might adapt to Kuzuki's "snake" quicker than the Servants, who are more emphasized by their talent. However, since she might underestimate Kuzuki-sensei as being a normal person, Bazett could be beaten pretty simply.

Comptiq 2006 Issue 7, Fate Dojo Q&A