My two cents for this discussion is that auto-hits are never ok. If your opponent is constantly doing the dodge and attack without taking hits, look into their bio to see what it says and then talk to them. If, after talking to them, the issue is not resolved, go up the chain and talk to either an FA (If in a Dom/Invasion/Faction Thread) and if that fails, go to an RPJ, their time is precious and they deserve fun as well, but they are here to help with disputes.
Also, not everyone on this site has martial arts experience (though it seems that a majority will at least claim it, it is the internet and we may never truly know) so saying "Trust me, when you do this, I get to do this to you" is not something that I, personally, will tolerate. If someone decides that they auto hit me, I am going to go through the steps I lined out above. If the same person does it more than once, I'll simply not write with that person until the problem is resolved.
This site is about having fun, character's losing and character's dying are things that sometimes happen. If you lose, use it as an in story impetus to get better. If you die, and can't use it as an in story impetus to get better (o.0), then go on with a different character. Mind you, character death is only ok with permission, so yeah.