Rohdes: Your question is an answer in itself. Here lies the proof of his battle with Kizaru[1], [2], [3]. As long as he has haki & flight Kizaru is not match for him. Just cause we've seen kizaru beat some newbies doesn't imply he can beat Marco. Kizaru wasn't able to beat Rayleigh San so how on earth will he beat a younger & faster Marco.