Count Dooku vs Darth Vader

Which sith lord apprenticed by Darth Sidious will walk out the winner in the season 3 premiere of ONE MINUTE MELEE!!?!?

battle
Darth Vader was walking through the death star until he saw several dead stormtroopers on the ground.Knowing an intruder was on the death star,Vader sensed a strong presence in the force and walked to that Presence's location,who turned out to be count dooku.