Oda's drawn like 3 pages of that fight and all of them were more like "status updates" rather than actual combat.
And atp, after watching Zoro being stalled by bums like Apoo for ~10 chapters, just moments before he fought Kaidou & Big Mom... i really dont care for off paneled scaling as well.
He could've drawn Zoro using CoC/KoH this chapter too, but he didn't.
The dialogue really feels like the fight's about the get wrapped up within the next few chapters or so & probably with a single attack like Killer/Apoo.