This will vary because unlike other stat sites we include 100% of a brackets champions played and never include champions that don't belong in the bracket.
Emerald+ Champions Analysed: 26,112,804
We include 100% of the champions played of every selected tier bracket in our analysis, we never include champions from outside the tier quoted tier.
Kai'Sa Counters
Kai'Sa top vs support Counters
Presently there is insufficent games played by Kai'Sa top on Patch 14.23 to determine the strongest support counters. A matchup requires a minimum of 100 games to be displayed.
Nami
the Tidecaller
Kai'Sa wins against Nami 42.11% of the time which is 4.68% lower against Nami than the average opponent.
After normalising both champions win rates Kai'Sa wins against Nami 1.95% less often than would be expected.
The average opponent winrate against Namiis 46.79%.
Lulu
the Fae Sorceress
Kai'Sa wins against Lulu 42.86% of the time which is 4.33% lower against Lulu than the average opponent.
After normalising both champions win rates Kai'Sa wins against Lulu 1.59% less often than would be expected.
The average opponent winrate against Luluis 47.19%.
Thresh
the Chain Warden
Kai'Sa wins against Thresh 45.97% of the time which is 2.06% lower against Thresh than the average opponent.
After normalising both champions win rates Kai'Sa wins against Thresh 0.70% more often than would be expected.
The average opponent winrate against Threshis 48.03%.