Before answering: can crocodile use haki or turn himself into sand?
Smoker has haki which brings the win.
If both were pre-skip then tie, if Smoker is post-skip and Crocodile is pre-skip then Smoker wins, if both are post-skip idk.
If it's pre-skip, none of them can actually beat the other. And even though post-skip Smoker has haki, he's seeming strangely weak to me, always losing (although his enemies are always badasses)
smoker wins because he has a kairoseki jutte.
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