I never did a genocide run myself, and even if I tried, it would probably end like this.In my very first playthrough - pacifist, of course - I was really confused about the Papyrus fight. I had no idea what I had to do to win peacefully. I even punched him once or twice, just to find out whether this was what I was supposed to do. I quickly realized that it didn't help, and since I suck at dodging, I just let him capture me over and over until he gave up on his ownAnd I shouldn't even tell you about my fight with Asgore... whew, that was a complete mess. XD