What's interesting about this whole Zoro Vs Lucci thing is that Lucci is not a swordsman he doesn't follow the rule of Zoro opponents being skilled with the blade. He fought Luffy earlier and lost do we think Oda will be redundant with Lucci and have him lose twice? Im not saying Lucci will beat Zoro but it's possible this fight will be broken up. Zoro's swordsmanship doesn't benefit from this fight it's really just fan service at this point.
Zoro will defeat Lucci. He is nothing but a hype tool for Zoro. Lucci is just another Monet, Pica, Killer, Apoo and Jinbe will be another one of Zoro's witness.
Oda loves to have characters witness Zoro's strength. He does that all the time with Zoro.
Tashigi
Dressrosa citizens and more.
Oden's daughter
Everybody on the live floor
Lucci went from being confident Zoro couldn't stop him from killing the SH to realizing the most he could do is stall 2 swords Zoro. Even Yamato could stall Kaido.
Zoro has defeated plenty of non-swordsman. It's irrelevant that Lucci is not a swordsman.
Zoro opponents are either hype tools or help Zoro go stronger before becoming hype tools. The databook tell us Mihawk is the strongest in name and reality. He reached the top by fighting strong opponents, not only fighting strong swordsman.