Rob Lucci Vs. Gekko Moriah

Rob Lucci

Occupation: Assassin
Affiliation: CP9
Haki: No
Devil Fruit: Cat-Cat Fruit Leopard Model
Special Attributes: Rokushiki, Life Return

vs.

Gekko Moria

Occupation: Pirate
Affiliation: Thriller Bark
Status: Warlord,
Haki: Nothing Confirmed
Devil Fruit: Shadow-Shadow Fruit
Special Attributes: Giant Scissors

Timeline: Pre Timeskip
Scenario: 1v1 on Thriller Bark, there are just as many Zombies on Thriller Bark as there were when Moriah fought the Strawhats, but none of them can directly interfere.

Who would have won, and why?