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.
Unranked Champions Analysed: 939,062
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 bottom vs support Counters
Kai'Sa bottom on Patch 15.16 is the strongest counter to support champions of Yuumi, Seraphine & Brand. While Kai'Sa bottom is countered most by support champions of Zilean, Morgana & Sona. Below is a detailed breakdown of Kai'Sa bottom counters against support champions with a minimum of 100 games.
Zilean
o Guardião do Tempo
Kai'Sa wins against Zilean 42.40% of the time which is 6.83% lower against Zilean than the average opponent.
After normalising both champions win rates Kai'Sa wins against Zilean 6.49% less often than would be expected.
The average opponent winrate against Zilean is 49.23%.
Morgana
a Caída
Kai'Sa wins against Morgana 44.23% of the time which is 8.07% lower against Morgana than the average opponent.
After normalising both champions win rates Kai'Sa wins against Morgana 7.73% less often than would be expected.
The average opponent winrate against Morgana is 52.30%.
Sona
a Mestra das Cordas
Kai'Sa wins against Sona 44.79% of the time which is 5.73% lower against Sona than the average opponent.
After normalising both champions win rates Kai'Sa wins against Sona 5.39% less often than would be expected.
The average opponent winrate against Sona is 50.52%.
Zyra
a Ascensão dos Espinhos
Kai'Sa wins against Zyra 45.38% of the time which is 4.96% lower against Zyra than the average opponent.
After normalising both champions win rates Kai'Sa wins against Zyra 4.62% less often than would be expected.
The average opponent winrate against Zyra is 50.34%.
Maokai
o Ente Sinistro
Kai'Sa wins against Maokai 45.86% of the time which is 4.63% lower against Maokai than the average opponent.
After normalising both champions win rates Kai'Sa wins against Maokai 4.29% less often than would be expected.
The average opponent winrate against Maokai is 50.49%.
Vel'Koz
o Olho do Vazio
Kai'Sa wins against Vel'Koz 46.71% of the time which is 4.70% lower against Vel'Koz than the average opponent.
After normalising both champions win rates Kai'Sa wins against Vel'Koz 4.36% less often than would be expected.
The average opponent winrate against Vel'Koz is 51.41%.
Bardo
o Protetor Andarilho
Kai'Sa wins against Bardo 47.62% of the time which is 0.96% lower against Bardo than the average opponent.
After normalising both champions win rates Kai'Sa wins against Bardo 0.62% less often than would be expected.
The average opponent winrate against Bardo is 48.58%.
Rakan
O Charmoso
Kai'Sa wins against Rakan 47.94% of the time which is 3.78% lower against Rakan than the average opponent.
After normalising both champions win rates Kai'Sa wins against Rakan 3.44% less often than would be expected.
The average opponent winrate against Rakan is 51.72%.
Thresh
o Guardião das Correntes
Kai'Sa wins against Thresh 48.08% of the time which is 2.99% lower against Thresh than the average opponent.
After normalising both champions win rates Kai'Sa wins against Thresh 2.65% less often than would be expected.
The average opponent winrate against Thresh is 51.07%.
Shaco
o Bufão Demoníaco
Kai'Sa wins against Shaco 48.59% of the time which is 2.07% lower against Shaco than the average opponent.
After normalising both champions win rates Kai'Sa wins against Shaco 1.73% less often than would be expected.
The average opponent winrate against Shaco is 50.66%.
Janna
a Fúria da Tormenta
Kai'Sa wins against Janna 48.59% of the time which is 1.56% higher against Janna than the average opponent.
After normalising both champions win rates Kai'Sa wins against Janna 1.90% more often than would be expected.
The average opponent winrate against Janna is 47.03%.
Senna
A Redentora
Kai'Sa wins against Senna 48.68% of the time which is 5.07% lower against Senna than the average opponent.
After normalising both champions win rates Kai'Sa wins against Senna 4.73% less often than would be expected.
The average opponent winrate against Senna is 53.75%.
Mel
o Reflexo da Alma
Kai'Sa wins against Mel 48.95% of the time which is 6.91% lower against Mel than the average opponent.
After normalising both champions win rates Kai'Sa wins against Mel 6.56% less often than would be expected.
The average opponent winrate against Mel is 55.86%.
Leona
a Alvorada Radiante
Kai'Sa wins against Leona 49.11% of the time which is 2.35% lower against Leona than the average opponent.
After normalising both champions win rates Kai'Sa wins against Leona 2.01% less often than would be expected.
The average opponent winrate against Leona is 51.46%.
Xerath
o Mago Ascendente
Kai'Sa wins against Xerath 49.12% of the time which is 1.82% lower against Xerath than the average opponent.
After normalising both champions win rates Kai'Sa wins against Xerath 1.48% less often than would be expected.
The average opponent winrate against Xerath is 50.94%.
Braum
o Coração de Freljord
Kai'Sa wins against Braum 49.38% of the time which is 1.41% lower against Braum than the average opponent.
After normalising both champions win rates Kai'Sa wins against Braum 1.07% less often than would be expected.
The average opponent winrate against Braum is 50.79%.
Soraka
a Filha das Estrelas
Kai'Sa wins against Soraka 50.18% of the time which is 0.09% higher against Soraka than the average opponent.
After normalising both champions win rates Kai'Sa wins against Soraka 0.43% more often than would be expected.
The average opponent winrate against Soraka is 50.09%.
Karma
a Iluminada
Kai'Sa wins against Karma 50.24% of the time which is 0.09% lower against Karma than the average opponent.
After normalising both champions win rates Kai'Sa wins against Karma 0.25% more often than would be expected.
The average opponent winrate against Karma is 50.33%.
Milio
A Chama Gentil
Kai'Sa wins against Milio 50.37% of the time which is 3.08% higher against Milio than the average opponent.
After normalising both champions win rates Kai'Sa wins against Milio 3.42% more often than would be expected.
The average opponent winrate against Milio is 47.29%.
Lulu
a Fada Feiticeira
Kai'Sa wins against Lulu 50.72% of the time which is 1.45% higher against Lulu than the average opponent.
After normalising both champions win rates Kai'Sa wins against Lulu 1.79% more often than would be expected.
The average opponent winrate against Lulu is 49.27%.
Nautilus
o Titã das Profundezas
Kai'Sa wins against Nautilus 50.90% of the time which is 1.19% lower against Nautilus than the average opponent.
After normalising both champions win rates Kai'Sa wins against Nautilus 0.85% less often than would be expected.
The average opponent winrate against Nautilus is 52.09%.
Poppy
a Guardiã do Martelo
Kai'Sa wins against Poppy 51.14% of the time which is 0.69% higher against Poppy than the average opponent.
After normalising both champions win rates Kai'Sa wins against Poppy 1.03% more often than would be expected.
The average opponent winrate against Poppy is 50.45%.
Rell
a Dama de Ferro
Kai'Sa wins against Rell 51.15% of the time which is 0.25% lower against Rell than the average opponent.
After normalising both champions win rates Kai'Sa wins against Rell 0.09% more often than would be expected.
The average opponent winrate against Rell is 51.40%.
Nami
a Conjuradora das Marés
Kai'Sa wins against Nami 51.15% of the time which is 2.30% higher against Nami than the average opponent.
After normalising both champions win rates Kai'Sa wins against Nami 2.64% more often than would be expected.
The average opponent winrate against Nami is 48.85%.
Swain
o Grande General Noxiano
Kai'Sa wins against Swain 51.26% of the time which is 2.22% lower against Swain than the average opponent.
After normalising both champions win rates Kai'Sa wins against Swain 1.88% less often than would be expected.
The average opponent winrate against Swain is 53.48%.
Lux
a Dama da Luz
Kai'Sa wins against Lux 51.28% of the time which is 3.91% lower against Lux than the average opponent.
After normalising both champions win rates Kai'Sa wins against Lux 3.56% less often than would be expected.
The average opponent winrate against Lux is 55.19%.
Pantheon
a Lança Indestrutível
Kai'Sa wins against Pantheon 51.67% of the time which is 0.33% lower against Pantheon than the average opponent.
After normalising both champions win rates Kai'Sa wins against Pantheon 0.01% more often than would be expected.
The average opponent winrate against Pantheon is 52.00%.
Blitzcrank
o Grande Golem a Vapor
Kai'Sa wins against Blitzcrank 52.13% of the time which is 1.18% lower against Blitzcrank than the average opponent.
After normalising both champions win rates Kai'Sa wins against Blitzcrank 0.84% less often than would be expected.
The average opponent winrate against Blitzcrank is 53.31%.
Alistar
o Minotauro
Kai'Sa wins against Alistar 52.96% of the time which is 1.56% higher against Alistar than the average opponent.
After normalising both champions win rates Kai'Sa wins against Alistar 1.90% more often than would be expected.
The average opponent winrate against Alistar is 51.40%.
Neeko
a Camaleoa Curiosa
Kai'Sa wins against Neeko 53.07% of the time which is 2.15% lower against Neeko than the average opponent.
After normalising both champions win rates Kai'Sa wins against Neeko 1.80% less often than would be expected.
The average opponent winrate against Neeko is 55.22%.
Tahm Kench
o Rei do Rio
Kai'Sa wins against Tahm Kench 53.55% of the time which is 1.00% lower against Tahm Kench than the average opponent.
After normalising both champions win rates Kai'Sa wins against Tahm Kench 0.66% less often than would be expected.
The average opponent winrate against Tahm Kench is 54.55%.
Pyke
o Estripador das Águas Sangrentas
Kai'Sa wins against Pyke 54.31% of the time which is 0.96% higher against Pyke than the average opponent.
After normalising both champions win rates Kai'Sa wins against Pyke 1.30% more often than would be expected.
The average opponent winrate against Pyke is 53.35%.
Brand
a Vingança Flamejante
Kai'Sa wins against Brand 55.45% of the time which is 5.23% higher against Brand than the average opponent.
After normalising both champions win rates Kai'Sa wins against Brand 5.57% more often than would be expected.
The average opponent winrate against Brand is 50.22%.
Seraphine
a Cantora Sonhadora
Kai'Sa wins against Seraphine 57.14% of the time which is 1.07% lower against Seraphine than the average opponent.
After normalising both champions win rates Kai'Sa wins against Seraphine 0.72% less often than would be expected.
The average opponent winrate against Seraphine is 58.21%.
Yuumi
a Gata Mágica
Kai'Sa wins against Yuumi 58.29% of the time which is 1.46% higher against Yuumi than the average opponent.
After normalising both champions win rates Kai'Sa wins against Yuumi 1.81% more often than would be expected.
The average opponent winrate against Yuumi is 56.83%.


































