Mace Won. No doubt about it. Mace's lightsaber was an inch from Sid's chest and could have speared him at any second. Macy held back for some pathetic dialogue and that's what caused his downfall. He should have given Sid the OL' shish-kabob while he had a chance.

Too many people have read SS's website where it says that Sid threw the fight. Don't believe everything you read.

Reality: SS is FAKE. Just because his website tells you sid threw the fight does not mean it's true. He is using the Jedi Mind Trick on you, don't be weak minded. SS is too busy "interviewing GL" on a daily basis to know what he is talking about.