Sasuke wins.
-Aoda can use his sensory skills ie heat and smell to discover Mu's location. Snakes have shown to do that on numerous occasions, examples being [
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]. This means once Sasuke has figured out Mu's approximate location, he can wait for Mu to turn visible (needs to in order to fire Jinton) or, if Mu isn't high enough in the air, lets Aoda attack him. If he turns visible, Amateratsu ends it.
-Any CQC fight ends terribly for Mu. Genjutsu and extremely proficient kenjutsu along with an MS precog makes this rather one sided. Body split won't be useful at all, Sasuke will anticipate it with his sharingan, and won't be damaged by the likes of Mu once he's split since he can no longer fire off Jintons.