Originally posted by Galan007
As for their fight in ANH: it was stated that Vader was initially being cautious against Kenobi -- testing his skill/power. He didn't want to make the same mistakes he had during their last encounter(ie. being an overconfident dipshit.) I reckon that's why their battle lasted as long as it did, especially since Kenobi commented mid-battle that he had absolutely no chance of defeating Vader.
Source?
I like it. Reminds me a bit of this JLA/Avengers #2 scene: