

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.
Silver Champions Analysed: 41,579,331
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.


Jax Counters
Jax top vs support Counters
Jax top on Patch 30 is the strongest counter to support champions of Kai'Sa, Sejuani & Ezreal. While Jax top is countered most by support champions of Milio, Taric & Ornn. Below is a detailed breakdown of Jax top counters against support champions with a minimum of 100 games.


Milio
The Gentle Flame
Jax wins against Milio 44.44% of the time which is 3.41% lower against Milio than the average opponent.
After normalising both champions win rates Jax wins against Milio 2.11% less often than would be expected.
The average opponent winrate against Milio is 47.85%.


Taric
the Shield of Valoran
Jax wins against Taric 44.46% of the time which is 3.25% lower against Taric than the average opponent.
After normalising both champions win rates Jax wins against Taric 1.95% less often than would be expected.
The average opponent winrate against Taric is 47.71%.


Ornn
The Fire below the Mountain
Jax wins against Ornn 44.59% of the time which is 8.78% lower against Ornn than the average opponent.
After normalising both champions win rates Jax wins against Ornn 7.48% less often than would be expected.
The average opponent winrate against Ornn is 53.37%.


Rammus
the Armordillo
Jax wins against Rammus 44.66% of the time which is 4.77% lower against Rammus than the average opponent.
After normalising both champions win rates Jax wins against Rammus 3.47% less often than would be expected.
The average opponent winrate against Rammus is 49.43%.


Nami
the Tidecaller
Jax wins against Nami 45.13% of the time which is 2.90% lower against Nami than the average opponent.
After normalising both champions win rates Jax wins against Nami 1.60% less often than would be expected.
The average opponent winrate against Nami is 48.03%.


Soraka
the Starchild
Jax wins against Soraka 45.28% of the time which is 3.17% lower against Soraka than the average opponent.
After normalising both champions win rates Jax wins against Soraka 1.87% less often than would be expected.
The average opponent winrate against Soraka is 48.45%.


Zyra
Rise of the Thorns
Jax wins against Zyra 46.26% of the time which is 2.18% lower against Zyra than the average opponent.
After normalising both champions win rates Jax wins against Zyra 0.88% less often than would be expected.
The average opponent winrate against Zyra is 48.44%.


Poppy
Keeper of the Hammer
Jax wins against Poppy 46.63% of the time which is 2.51% lower against Poppy than the average opponent.
After normalising both champions win rates Jax wins against Poppy 1.21% less often than would be expected.
The average opponent winrate against Poppy is 49.14%.


Renata Glasc
the Chem-Baroness
Jax wins against Renata Glasc 46.65% of the time which is 4.36% lower against Renata Glasc than the average opponent.
After normalising both champions win rates Jax wins against Renata Glasc 3.06% less often than would be expected.
The average opponent winrate against Renata Glasc is 51.01%.


Lulu
the Fae Sorceress
Jax wins against Lulu 46.72% of the time which is 3.68% lower against Lulu than the average opponent.
After normalising both champions win rates Jax wins against Lulu 2.38% less often than would be expected.
The average opponent winrate against Lulu is 50.40%.


Janna
the Storm's Fury
Jax wins against Janna 46.87% of the time which is 2.31% lower against Janna than the average opponent.
After normalising both champions win rates Jax wins against Janna 1.01% less often than would be expected.
The average opponent winrate against Janna is 49.18%.


Fiddlesticks
the Ancient Fear
Jax wins against Fiddlesticks 47.03% of the time which is 2.57% lower against Fiddlesticks than the average opponent.
After normalising both champions win rates Jax wins against Fiddlesticks 1.27% less often than would be expected.
The average opponent winrate against Fiddlesticks is 49.60%.


Shen
the Eye of Twilight
Jax wins against Shen 47.17% of the time which is 1.62% lower against Shen than the average opponent.
After normalising both champions win rates Jax wins against Shen 0.32% less often than would be expected.
The average opponent winrate against Shen is 48.79%.


Syndra
the Dark Sovereign
Jax wins against Syndra 47.18% of the time which is 5.05% lower against Syndra than the average opponent.
After normalising both champions win rates Jax wins against Syndra 3.75% less often than would be expected.
The average opponent winrate against Syndra is 52.23%.


Shaco
the Demon Jester
Jax wins against Shaco 47.25% of the time which is 1.50% lower against Shaco than the average opponent.
After normalising both champions win rates Jax wins against Shaco 0.20% less often than would be expected.
The average opponent winrate against Shaco is 48.75%.


Zoe
the Aspect of Twilight
Jax wins against Zoe 47.26% of the time which is 3.62% lower against Zoe than the average opponent.
After normalising both champions win rates Jax wins against Zoe 2.32% less often than would be expected.
The average opponent winrate against Zoe is 50.88%.


Brand
the Burning Vengeance
Jax wins against Brand 47.30% of the time which is 1.84% lower against Brand than the average opponent.
After normalising both champions win rates Jax wins against Brand 0.54% less often than would be expected.
The average opponent winrate against Brand is 49.14%.


Annie
the Dark Child
Jax wins against Annie 47.34% of the time which is 2.77% lower against Annie than the average opponent.
After normalising both champions win rates Jax wins against Annie 1.47% less often than would be expected.
The average opponent winrate against Annie is 50.11%.


Morgana
the Fallen
Jax wins against Morgana 47.34% of the time which is 0.90% lower against Morgana than the average opponent.
After normalising both champions win rates Jax wins against Morgana 0.40% more often than would be expected.
The average opponent winrate against Morgana is 48.24%.


Sona
Maven of the Strings
Jax wins against Sona 47.39% of the time which is 0.21% lower against Sona than the average opponent.
After normalising both champions win rates Jax wins against Sona 1.09% more often than would be expected.
The average opponent winrate against Sona is 47.60%.


Zilean
the Chronokeeper
Jax wins against Zilean 47.50% of the time which is 2.08% lower against Zilean than the average opponent.
After normalising both champions win rates Jax wins against Zilean 0.78% less often than would be expected.
The average opponent winrate against Zilean is 49.58%.


Braum
the Heart of the Freljord
Jax wins against Braum 47.50% of the time which is 1.38% lower against Braum than the average opponent.
After normalising both champions win rates Jax wins against Braum 0.08% less often than would be expected.
The average opponent winrate against Braum is 48.88%.


Sett
the Boss
Jax wins against Sett 47.54% of the time which is 3.28% lower against Sett than the average opponent.
After normalising both champions win rates Jax wins against Sett 1.98% less often than would be expected.
The average opponent winrate against Sett is 50.82%.


Cho'Gath
the Terror of the Void
Jax wins against Cho'Gath 47.58% of the time which is 5.09% lower against Cho'Gath than the average opponent.
After normalising both champions win rates Jax wins against Cho'Gath 3.79% less often than would be expected.
The average opponent winrate against Cho'Gath is 52.67%.


Wukong
the Monkey King
Jax wins against Wukong 47.71% of the time which is 3.13% lower against Wukong than the average opponent.
After normalising both champions win rates Jax wins against Wukong 1.83% less often than would be expected.
The average opponent winrate against Wukong is 50.84%.


Nidalee
the Bestial Huntress
Jax wins against Nidalee 47.81% of the time which is 5.36% lower against Nidalee than the average opponent.
After normalising both champions win rates Jax wins against Nidalee 4.06% less often than would be expected.
The average opponent winrate against Nidalee is 53.17%.


Kennen
the Heart of the Tempest
Jax wins against Kennen 47.93% of the time which is 2.48% lower against Kennen than the average opponent.
After normalising both champions win rates Jax wins against Kennen 1.18% less often than would be expected.
The average opponent winrate against Kennen is 50.41%.


Vel'Koz
the Eye of the Void
Jax wins against Vel'Koz 47.97% of the time which is 0.51% lower against Vel'Koz than the average opponent.
After normalising both champions win rates Jax wins against Vel'Koz 0.79% more often than would be expected.
The average opponent winrate against Vel'Koz is 48.48%.


Teemo
the Swift Scout
Jax wins against Teemo 48.12% of the time which is 0.73% higher against Teemo than the average opponent.
After normalising both champions win rates Jax wins against Teemo 2.03% more often than would be expected.
The average opponent winrate against Teemo is 47.39%.


Xerath
the Magus Ascendant
Jax wins against Xerath 48.13% of the time which is 1.10% lower against Xerath than the average opponent.
After normalising both champions win rates Jax wins against Xerath 0.20% more often than would be expected.
The average opponent winrate against Xerath is 49.23%.


Alistar
the Minotaur
Jax wins against Alistar 48.19% of the time which is 2.44% lower against Alistar than the average opponent.
After normalising both champions win rates Jax wins against Alistar 1.14% less often than would be expected.
The average opponent winrate against Alistar is 50.63%.


Nunu & Willump
the Boy and His Yeti
Jax wins against Nunu & Willump 48.21% of the time which is 7.55% lower against Nunu & Willump than the average opponent.
After normalising both champions win rates Jax wins against Nunu & Willump 6.26% less often than would be expected.
The average opponent winrate against Nunu & Willump is 55.76%.


LeBlanc
the Deceiver
Jax wins against LeBlanc 48.30% of the time which is 1.56% lower against LeBlanc than the average opponent.
After normalising both champions win rates Jax wins against LeBlanc 0.26% less often than would be expected.
The average opponent winrate against LeBlanc is 49.86%.


Seraphine
the Starry-Eyed Songstress
Jax wins against Seraphine 48.44% of the time which is 1.92% lower against Seraphine than the average opponent.
After normalising both champions win rates Jax wins against Seraphine 0.62% less often than would be expected.
The average opponent winrate against Seraphine is 50.36%.


Karma
the Enlightened One
Jax wins against Karma 48.48% of the time which is 2.57% lower against Karma than the average opponent.
After normalising both champions win rates Jax wins against Karma 1.27% less often than would be expected.
The average opponent winrate against Karma is 51.05%.


Rell
the Iron Maiden
Jax wins against Rell 48.53% of the time which is 0.99% lower against Rell than the average opponent.
After normalising both champions win rates Jax wins against Rell 0.31% more often than would be expected.
The average opponent winrate against Rell is 49.52%.


Lux
the Lady of Luminosity
Jax wins against Lux 48.55% of the time which is 0.93% lower against Lux than the average opponent.
After normalising both champions win rates Jax wins against Lux 0.37% more often than would be expected.
The average opponent winrate against Lux is 49.48%.


Swain
the Noxian Grand General
Jax wins against Swain 48.63% of the time which is 1.29% lower against Swain than the average opponent.
After normalising both champions win rates Jax wins against Swain 0.01% more often than would be expected.
The average opponent winrate against Swain is 49.92%.


Vex
the Gloomist
Jax wins against Vex 48.75% of the time which is 3.29% lower against Vex than the average opponent.
After normalising both champions win rates Jax wins against Vex 1.99% less often than would be expected.
The average opponent winrate against Vex is 52.04%.


Thresh
the Chain Warden
Jax wins against Thresh 48.84% of the time which is 1.56% lower against Thresh than the average opponent.
After normalising both champions win rates Jax wins against Thresh 0.26% less often than would be expected.
The average opponent winrate against Thresh is 50.40%.


Tahm Kench
The River King
Jax wins against Tahm Kench 49.00% of the time which is 0.91% lower against Tahm Kench than the average opponent.
After normalising both champions win rates Jax wins against Tahm Kench 0.39% more often than would be expected.
The average opponent winrate against Tahm Kench is 49.91%.


Zac
the Secret Weapon
Jax wins against Zac 49.04% of the time which is 1.03% lower against Zac than the average opponent.
After normalising both champions win rates Jax wins against Zac 0.27% more often than would be expected.
The average opponent winrate against Zac is 50.07%.


Fizz
the Tidal Trickster
Jax wins against Fizz 49.07% of the time which is 3.10% lower against Fizz than the average opponent.
After normalising both champions win rates Jax wins against Fizz 1.80% less often than would be expected.
The average opponent winrate against Fizz is 52.17%.


Sion
The Undead Juggernaut
Jax wins against Sion 49.11% of the time which is 0.87% lower against Sion than the average opponent.
After normalising both champions win rates Jax wins against Sion 0.43% more often than would be expected.
The average opponent winrate against Sion is 49.98%.


Heimerdinger
the Revered Inventor
Jax wins against Heimerdinger 49.14% of the time which is 1.67% lower against Heimerdinger than the average opponent.
After normalising both champions win rates Jax wins against Heimerdinger 0.37% less often than would be expected.
The average opponent winrate against Heimerdinger is 50.81%.


Taliyah
the Stoneweaver
Jax wins against Taliyah 49.15% of the time which is 2.83% lower against Taliyah than the average opponent.
After normalising both champions win rates Jax wins against Taliyah 1.53% less often than would be expected.
The average opponent winrate against Taliyah is 51.98%.


Maokai
the Twisted Treant
Jax wins against Maokai 49.24% of the time which is 0.21% higher against Maokai than the average opponent.
After normalising both champions win rates Jax wins against Maokai 1.51% more often than would be expected.
The average opponent winrate against Maokai is 49.03%.


Bard
the Wandering Caretaker
Jax wins against Bard 49.32% of the time which is 1.72% lower against Bard than the average opponent.
After normalising both champions win rates Jax wins against Bard 0.42% less often than would be expected.
The average opponent winrate against Bard is 51.04%.


Camille
the Steel Shadow
Jax wins against Camille 49.33% of the time which is 4.63% lower against Camille than the average opponent.
After normalising both champions win rates Jax wins against Camille 3.34% less often than would be expected.
The average opponent winrate against Camille is 53.96%.


Rakan
The Charmer
Jax wins against Rakan 49.40% of the time which is 1.68% lower against Rakan than the average opponent.
After normalising both champions win rates Jax wins against Rakan 0.38% less often than would be expected.
The average opponent winrate against Rakan is 51.08%.


Malzahar
the Prophet of the Void
Jax wins against Malzahar 49.46% of the time which is 3.30% lower against Malzahar than the average opponent.
After normalising both champions win rates Jax wins against Malzahar 2.00% less often than would be expected.
The average opponent winrate against Malzahar is 52.76%.


Yuumi
the Magical Cat
Jax wins against Yuumi 49.70% of the time which is 1.30% lower against Yuumi than the average opponent.
After normalising both champions win rates Jax wins against Yuumi 0.00% less often than would be expected.
The average opponent winrate against Yuumi is 51.00%.


Galio
the Colossus
Jax wins against Galio 49.74% of the time which is 0.16% higher against Galio than the average opponent.
After normalising both champions win rates Jax wins against Galio 1.46% more often than would be expected.
The average opponent winrate against Galio is 49.58%.


Nautilus
the Titan of the Depths
Jax wins against Nautilus 49.79% of the time which is 1.00% lower against Nautilus than the average opponent.
After normalising both champions win rates Jax wins against Nautilus 0.30% more often than would be expected.
The average opponent winrate against Nautilus is 50.79%.


Amumu
the Sad Mummy
Jax wins against Amumu 50.00% of the time which is 0.44% lower against Amumu than the average opponent.
After normalising both champions win rates Jax wins against Amumu 0.86% more often than would be expected.
The average opponent winrate against Amumu is 50.44%.


Leona
the Radiant Dawn
Jax wins against Leona 50.09% of the time which is 1.07% higher against Leona than the average opponent.
After normalising both champions win rates Jax wins against Leona 2.37% more often than would be expected.
The average opponent winrate against Leona is 49.02%.


Elise
the Spider Queen
Jax wins against Elise 50.21% of the time which is 0.68% lower against Elise than the average opponent.
After normalising both champions win rates Jax wins against Elise 0.62% more often than would be expected.
The average opponent winrate against Elise is 50.89%.


Veigar
the Tiny Master of Evil
Jax wins against Veigar 50.28% of the time which is 1.60% lower against Veigar than the average opponent.
After normalising both champions win rates Jax wins against Veigar 0.30% less often than would be expected.
The average opponent winrate against Veigar is 51.88%.


Sylas
the Unshackled
Jax wins against Sylas 50.44% of the time which is 0.05% higher against Sylas than the average opponent.
After normalising both champions win rates Jax wins against Sylas 1.35% more often than would be expected.
The average opponent winrate against Sylas is 50.39%.


Hwei
the Visionary
Jax wins against Hwei 50.61% of the time which is 0.20% lower against Hwei than the average opponent.
After normalising both champions win rates Jax wins against Hwei 1.10% more often than would be expected.
The average opponent winrate against Hwei is 50.81%.


Jarvan IV
the Exemplar of Demacia
Jax wins against Jarvan IV 50.64% of the time which is 1.75% higher against Jarvan IV than the average opponent.
After normalising both champions win rates Jax wins against Jarvan IV 3.05% more often than would be expected.
The average opponent winrate against Jarvan IV is 48.89%.


Ziggs
the Hexplosives Expert
Jax wins against Ziggs 50.78% of the time which is 2.21% lower against Ziggs than the average opponent.
After normalising both champions win rates Jax wins against Ziggs 0.91% less often than would be expected.
The average opponent winrate against Ziggs is 52.99%.


Pantheon
the Unbreakable Spear
Jax wins against Pantheon 50.91% of the time which is 0.53% higher against Pantheon than the average opponent.
After normalising both champions win rates Jax wins against Pantheon 1.83% more often than would be expected.
The average opponent winrate against Pantheon is 50.38%.


Anivia
the Cryophoenix
Jax wins against Anivia 51.14% of the time which is 1.75% lower against Anivia than the average opponent.
After normalising both champions win rates Jax wins against Anivia 0.45% less often than would be expected.
The average opponent winrate against Anivia is 52.89%.


Orianna
the Lady of Clockwork
Jax wins against Orianna 51.15% of the time which is 2.89% lower against Orianna than the average opponent.
After normalising both champions win rates Jax wins against Orianna 1.60% less often than would be expected.
The average opponent winrate against Orianna is 54.04%.


Lee Sin
the Blind Monk
Jax wins against Lee Sin 51.22% of the time which is 3.96% lower against Lee Sin than the average opponent.
After normalising both champions win rates Jax wins against Lee Sin 2.67% less often than would be expected.
The average opponent winrate against Lee Sin is 55.18%.


Ahri
the Nine-Tailed Fox
Jax wins against Ahri 51.27% of the time which is 1.03% lower against Ahri than the average opponent.
After normalising both champions win rates Jax wins against Ahri 0.27% more often than would be expected.
The average opponent winrate against Ahri is 52.30%.


Neeko
the Curious Chameleon
Jax wins against Neeko 51.40% of the time which is 0.11% higher against Neeko than the average opponent.
After normalising both champions win rates Jax wins against Neeko 1.41% more often than would be expected.
The average opponent winrate against Neeko is 51.29%.


Pyke
the Bloodharbor Ripper
Jax wins against Pyke 51.44% of the time which is 0.57% lower against Pyke than the average opponent.
After normalising both champions win rates Jax wins against Pyke 0.73% more often than would be expected.
The average opponent winrate against Pyke is 52.01%.


Mel
the Soul's Reflection
Jax wins against Mel 51.55% of the time which is 1.20% lower against Mel than the average opponent.
After normalising both champions win rates Jax wins against Mel 0.10% more often than would be expected.
The average opponent winrate against Mel is 52.75%.


Malphite
Shard of the Monolith
Jax wins against Malphite 51.61% of the time which is 0.31% higher against Malphite than the average opponent.
After normalising both champions win rates Jax wins against Malphite 1.61% more often than would be expected.
The average opponent winrate against Malphite is 51.30%.


Senna
the Redeemer
Jax wins against Senna 51.72% of the time which is 0.34% lower against Senna than the average opponent.
After normalising both champions win rates Jax wins against Senna 0.96% more often than would be expected.
The average opponent winrate against Senna is 52.06%.


Trundle
the Troll King
Jax wins against Trundle 51.96% of the time which is 2.57% lower against Trundle than the average opponent.
After normalising both champions win rates Jax wins against Trundle 1.28% less often than would be expected.
The average opponent winrate against Trundle is 54.53%.


Blitzcrank
the Great Steam Golem
Jax wins against Blitzcrank 52.18% of the time which is 1.23% higher against Blitzcrank than the average opponent.
After normalising both champions win rates Jax wins against Blitzcrank 2.53% more often than would be expected.
The average opponent winrate against Blitzcrank is 50.95%.


Aurora
the Witch Between Worlds
Jax wins against Aurora 52.94% of the time which is 3.09% lower against Aurora than the average opponent.
After normalising both champions win rates Jax wins against Aurora 1.80% less often than would be expected.
The average opponent winrate against Aurora is 56.03%.


Ivern
the Green Father
Jax wins against Ivern 54.25% of the time which is 2.36% higher against Ivern than the average opponent.
After normalising both champions win rates Jax wins against Ivern 3.66% more often than would be expected.
The average opponent winrate against Ivern is 51.89%.


Twisted Fate
the Card Master
Jax wins against Twisted Fate 54.55% of the time which is 2.02% higher against Twisted Fate than the average opponent.
After normalising both champions win rates Jax wins against Twisted Fate 3.32% more often than would be expected.
The average opponent winrate against Twisted Fate is 52.53%.


Ekko
the Boy Who Shattered Time
Jax wins against Ekko 54.81% of the time which is 2.78% higher against Ekko than the average opponent.
After normalising both champions win rates Jax wins against Ekko 4.08% more often than would be expected.
The average opponent winrate against Ekko is 52.03%.


Zed
the Master of Shadows
Jax wins against Zed 54.96% of the time which is 0.22% lower against Zed than the average opponent.
After normalising both champions win rates Jax wins against Zed 1.07% more often than would be expected.
The average opponent winrate against Zed is 55.18%.


Ashe
the Frost Archer
Jax wins against Ashe 55.02% of the time which is 1.06% higher against Ashe than the average opponent.
After normalising both champions win rates Jax wins against Ashe 2.35% more often than would be expected.
The average opponent winrate against Ashe is 53.96%.


Yasuo
the Unforgiven
Jax wins against Yasuo 55.36% of the time which is 2.77% lower against Yasuo than the average opponent.
After normalising both champions win rates Jax wins against Yasuo 1.50% less often than would be expected.
The average opponent winrate against Yasuo is 58.13%.


Lissandra
the Ice Witch
Jax wins against Lissandra 56.20% of the time which is 3.20% higher against Lissandra than the average opponent.
After normalising both champions win rates Jax wins against Lissandra 4.50% more often than would be expected.
The average opponent winrate against Lissandra is 53.00%.


Varus
the Arrow of Retribution
Jax wins against Varus 56.49% of the time which is 1.07% lower against Varus than the average opponent.
After normalising both champions win rates Jax wins against Varus 0.21% more often than would be expected.
The average opponent winrate against Varus is 57.56%.


Twitch
the Plague Rat
Jax wins against Twitch 57.23% of the time which is 0.43% higher against Twitch than the average opponent.
After normalising both champions win rates Jax wins against Twitch 1.71% more often than would be expected.
The average opponent winrate against Twitch is 56.80%.


Jhin
the Virtuoso
Jax wins against Jhin 57.52% of the time which is 0.67% lower against Jhin than the average opponent.
After normalising both champions win rates Jax wins against Jhin 0.60% more often than would be expected.
The average opponent winrate against Jhin is 58.19%.


Miss Fortune
the Bounty Hunter
Jax wins against Miss Fortune 57.57% of the time which is 1.09% higher against Miss Fortune than the average opponent.
After normalising both champions win rates Jax wins against Miss Fortune 2.37% more often than would be expected.
The average opponent winrate against Miss Fortune is 56.48%.


Caitlyn
the Sheriff of Piltover
Jax wins against Caitlyn 59.17% of the time which is 4.31% lower against Caitlyn than the average opponent.
After normalising both champions win rates Jax wins against Caitlyn 3.09% less often than would be expected.
The average opponent winrate against Caitlyn is 63.48%.


Gragas
the Rabble Rouser
Jax wins against Gragas 59.54% of the time which is 6.56% higher against Gragas than the average opponent.
After normalising both champions win rates Jax wins against Gragas 7.86% more often than would be expected.
The average opponent winrate against Gragas is 52.98%.


Ezreal
the Prodigal Explorer
Jax wins against Ezreal 60.32% of the time which is 1.81% lower against Ezreal than the average opponent.
After normalising both champions win rates Jax wins against Ezreal 0.57% less often than would be expected.
The average opponent winrate against Ezreal is 62.13%.


Sejuani
Fury of the North
Jax wins against Sejuani 60.38% of the time which is 7.88% higher against Sejuani than the average opponent.
After normalising both champions win rates Jax wins against Sejuani 9.18% more often than would be expected.
The average opponent winrate against Sejuani is 52.50%.


Kai'Sa
Daughter of the Void
Jax wins against Kai'Sa 62.75% of the time which is 3.31% higher against Kai'Sa than the average opponent.
After normalising both champions win rates Jax wins against Kai'Sa 4.57% more often than would be expected.
The average opponent winrate against Kai'Sa is 59.44%.