So to lose a fight you simply need to not attack. Sadly if you want to fight weaker enemies they will never hit you.I can't watch a single scene, the girl automatically one-shots anyone and dodges
The solution to that is lower your speed stat. Here is a save that only has the speed stat lowered.
Also the easiest way to see combat scenes is to fight in the underground arena. It is unlocked if you wait a few days on this save.