They are both a fair match and awesome to watch when wielding a blade of some type. Arthur though is brilliant to watch fighting and i believe he could win any old fight no matter who the contestant is.

I honestly dont have a clue! As it is a FAIR faight, Arthur doesn't have destiny/fait on his side. If my life depended on it, (thank god it doesn't), i would have to say Arthur because he seems more skilled than Lancelots talent. Overall I really cant choose! Sorry

Arthur! It's always a pleasure watching him fight <3

Merlin and Arthur.... for laughs!
It wouldn't be fair either.....

I would love to see Arthur's face if the two of them start swordfighting and then Merlin starts using magic and winning!!!

Well, they are both amazing fighters (although Lancelot is annoying, so I wouldn't want him to win) so in a fair fight it would be hard to see who would win. If you read the legend (or at least the version I read) Lancelot was considered the Round Table's best knight, but then Arthur is also a really talented fighter. Although I would prefer Arthur to win- I want to see Lancelot suffer!!!!! >:) Mwa ha ha...

I'd want Arthur to win, but I dunno. I mean, Lancelot won once. But if they were fighting over Gwen (which I don't knwo why they would) Arthur would win because he's more awesome and, uh, I don't know. STOP ASKING QUESTIONS THAT MAKE MY BRAIN HURT. haha

Arthur, because he has been trained almost since he was a baby... ;D Lancelot is self taugh ;B

If it was fair it could be Lancelot! He did live by his sword for a while,but it all depends on the fight!

Lancelot seemed to be somewhat better when they fought