Against kayn, Kayn will try and fight as much as he can in the early game so he can get his form quickly. Keep this in mind and be prepared to fight back.

Because of Kayn’s Ultimate R and mobility, make sure you watch yourself as you recall, and make sure you stand in the middle of the lane so it’s easy for you to escape if he springs up nearby. Don’t give him easy kills by window shopping when you recall.

Opt for early sustain. Kayn has a lot of sustain in lane thanks to the items he buys and his E. Having sustain that matches him will make the laning phase much easier. Against kayn, Kayn will try to fight as much as he can in early play so he can get his shape quickly. Keep this in mind and be ready to fight back. Because of Kayn-S Ultimate R and mobility, make sure you look at yourself as you remember, and make sure you are standing in the middle of the way so it is easy for you to escape if it comes out nearby. Don't give him easily kill by window shopping when you remember. Opt for early maintenance. Kayn has a lot of support in the way thanks to the items he buys and his E. Having supported that fits him will make the laning phase much easier.