1v1s :
Round 1 : No fs luffy vs kaido : no diffed (well low diffed since he was pummelling drunk kaido)
Round 2 : Ryuo fs luffy vs Kaido : Low diffed as he got koed by Raganarok
Round 3 : AdCoC luffy vs kaido : lower-mid diffed offscreen
Team battle round 1: Luffy & SNs vs Yonko : no winner...SNs were getting mid diffed
Team battle round 2 : Luffy, Yamato and Momo vs kaido : ?
Luffy basically fought 5 rounds vs Kaido
The most ever he did vs any villain
He is gonna have his 4th solo round vs kaido soon too...the most ever he fought 3+ 1v1 rounds