

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.
All Ranks Champions Analysed: 137,839,620
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.


Karthus Counters
Karthus jungle vs support Counters
Karthus jungle on Patch 15.1 is the strongest counter to support champions of Caitlyn, Jhin & Wukong. While Karthus jungle is countered most by support champions of Sona, Teemo & Heimerdinger. Below is a detailed breakdown of Karthus jungle counters against support champions with a minimum of 100 games.


Sona
Wirtuozka Strun
Karthus wins against Sona 44.06% of the time which is 4.28% lower against Sona than the average opponent.
After normalising both champions win rates Karthus wins against Sona 2.78% less often than would be expected.
The average opponent winrate against Sona is 48.34%.


Teemo
Chyży Zwiadowca
Karthus wins against Teemo 44.40% of the time which is 3.26% lower against Teemo than the average opponent.
After normalising both champions win rates Karthus wins against Teemo 1.77% less often than would be expected.
The average opponent winrate against Teemo is 47.66%.


Heimerdinger
Wielbiony Wynalazca
Karthus wins against Heimerdinger 44.72% of the time which is 4.46% lower against Heimerdinger than the average opponent.
After normalising both champions win rates Karthus wins against Heimerdinger 2.96% less often than would be expected.
The average opponent winrate against Heimerdinger is 49.18%.


Milio
Łagodny Płomień
Karthus wins against Milio 44.86% of the time which is 3.62% lower against Milio than the average opponent.
After normalising both champions win rates Karthus wins against Milio 2.12% less often than would be expected.
The average opponent winrate against Milio is 48.48%.


Soraka
Gwiezdne Dziecko
Karthus wins against Soraka 44.92% of the time which is 4.25% lower against Soraka than the average opponent.
After normalising both champions win rates Karthus wins against Soraka 2.75% less often than would be expected.
The average opponent winrate against Soraka is 49.17%.


Ahri
Lisica o Dziewięciu Ogonach
Karthus wins against Ahri 44.95% of the time which is 7.21% lower against Ahri than the average opponent.
After normalising both champions win rates Karthus wins against Ahri 5.71% less often than would be expected.
The average opponent winrate against Ahri is 52.16%.


Nami
Władczyni Przypływów
Karthus wins against Nami 45.47% of the time which is 2.46% lower against Nami than the average opponent.
After normalising both champions win rates Karthus wins against Nami 0.96% less often than would be expected.
The average opponent winrate against Nami is 47.93%.


Malzahar
Prorok Pustki
Karthus wins against Malzahar 45.73% of the time which is 6.67% lower against Malzahar than the average opponent.
After normalising both champions win rates Karthus wins against Malzahar 5.17% less often than would be expected.
The average opponent winrate against Malzahar is 52.40%.


Sejuani
Gniew Północy
Karthus wins against Sejuani 46.08% of the time which is 6.14% lower against Sejuani than the average opponent.
After normalising both champions win rates Karthus wins against Sejuani 4.64% less often than would be expected.
The average opponent winrate against Sejuani is 52.22%.


Cho'Gath
Postrach Pustki
Karthus wins against Cho'Gath 46.36% of the time which is 5.10% lower against Cho'Gath than the average opponent.
After normalising both champions win rates Karthus wins against Cho'Gath 3.60% less often than would be expected.
The average opponent winrate against Cho'Gath is 51.46%.


Yuumi
Magiczna Kotka
Karthus wins against Yuumi 46.40% of the time which is 6.05% lower against Yuumi than the average opponent.
After normalising both champions win rates Karthus wins against Yuumi 4.55% less often than would be expected.
The average opponent winrate against Yuumi is 52.45%.


Janna
Szał Burzy
Karthus wins against Janna 46.44% of the time which is 2.02% lower against Janna than the average opponent.
After normalising both champions win rates Karthus wins against Janna 0.52% less often than would be expected.
The average opponent winrate against Janna is 48.46%.


Tahm Kench
Rzeczny Król
Karthus wins against Tahm Kench 46.59% of the time which is 2.03% lower against Tahm Kench than the average opponent.
After normalising both champions win rates Karthus wins against Tahm Kench 0.53% less often than would be expected.
The average opponent winrate against Tahm Kench is 48.62%.


Karma
Oświecona
Karthus wins against Karma 46.66% of the time which is 3.13% lower against Karma than the average opponent.
After normalising both champions win rates Karthus wins against Karma 1.63% less often than would be expected.
The average opponent winrate against Karma is 49.79%.


Xerath
Wyniesiony Mag
Karthus wins against Xerath 46.69% of the time which is 2.24% lower against Xerath than the average opponent.
After normalising both champions win rates Karthus wins against Xerath 0.74% less often than would be expected.
The average opponent winrate against Xerath is 48.93%.


Vel'Koz
Oko Pustki
Karthus wins against Vel'Koz 46.72% of the time which is 1.21% lower against Vel'Koz than the average opponent.
After normalising both champions win rates Karthus wins against Vel'Koz 0.29% more often than would be expected.
The average opponent winrate against Vel'Koz is 47.93%.


Lulu
Wróżkowa Czarodziejka
Karthus wins against Lulu 46.85% of the time which is 2.42% lower against Lulu than the average opponent.
After normalising both champions win rates Karthus wins against Lulu 0.92% less often than would be expected.
The average opponent winrate against Lulu is 49.27%.


Taric
Tarcza Valoranu
Karthus wins against Taric 46.98% of the time which is 0.54% lower against Taric than the average opponent.
After normalising both champions win rates Karthus wins against Taric 0.95% more often than would be expected.
The average opponent winrate against Taric is 47.52%.


Sion
Nieumarły Niszczyciel
Karthus wins against Sion 47.10% of the time which is 2.43% lower against Sion than the average opponent.
After normalising both champions win rates Karthus wins against Sion 0.93% less often than would be expected.
The average opponent winrate against Sion is 49.53%.


Zyra
Wiedźma Cierni
Karthus wins against Zyra 47.12% of the time which is 0.38% lower against Zyra than the average opponent.
After normalising both champions win rates Karthus wins against Zyra 1.11% more often than would be expected.
The average opponent winrate against Zyra is 47.50%.


Zilean
Strażnik Czasu
Karthus wins against Zilean 47.29% of the time which is 2.26% lower against Zilean than the average opponent.
After normalising both champions win rates Karthus wins against Zilean 0.76% less often than would be expected.
The average opponent winrate against Zilean is 49.55%.


Senna
Odkupicielka
Karthus wins against Senna 47.36% of the time which is 2.32% lower against Senna than the average opponent.
After normalising both champions win rates Karthus wins against Senna 0.82% less often than would be expected.
The average opponent winrate against Senna is 49.68%.


Lux
Pani Jasności
Karthus wins against Lux 47.41% of the time which is 1.81% lower against Lux than the average opponent.
After normalising both champions win rates Karthus wins against Lux 0.31% less often than would be expected.
The average opponent winrate against Lux is 49.22%.


Bard
Wędrujący Opiekun
Karthus wins against Bard 47.49% of the time which is 2.75% lower against Bard than the average opponent.
After normalising both champions win rates Karthus wins against Bard 1.25% less often than would be expected.
The average opponent winrate against Bard is 50.24%.


Galio
Kolos
Karthus wins against Galio 47.75% of the time which is 1.45% lower against Galio than the average opponent.
After normalising both champions win rates Karthus wins against Galio 0.05% more often than would be expected.
The average opponent winrate against Galio is 49.20%.


Shen
Oko Zmierzchu
Karthus wins against Shen 47.80% of the time which is 1.19% lower against Shen than the average opponent.
After normalising both champions win rates Karthus wins against Shen 0.31% more often than would be expected.
The average opponent winrate against Shen is 48.99%.


Morgana
Upadła
Karthus wins against Morgana 47.84% of the time which is 0.64% lower against Morgana than the average opponent.
After normalising both champions win rates Karthus wins against Morgana 0.86% more often than would be expected.
The average opponent winrate against Morgana is 48.48%.


Fiddlesticks
Prastary Strach
Karthus wins against Fiddlesticks 47.91% of the time which is 0.07% lower against Fiddlesticks than the average opponent.
After normalising both champions win rates Karthus wins against Fiddlesticks 1.43% more often than would be expected.
The average opponent winrate against Fiddlesticks is 47.98%.


Brand
Płomień Zemsty
Karthus wins against Brand 48.08% of the time which is 0.57% lower against Brand than the average opponent.
After normalising both champions win rates Karthus wins against Brand 0.93% more often than would be expected.
The average opponent winrate against Brand is 48.65%.


Seraphine
Rozmarzona Piosenkarka
Karthus wins against Seraphine 48.09% of the time which is 2.59% lower against Seraphine than the average opponent.
After normalising both champions win rates Karthus wins against Seraphine 1.09% less often than would be expected.
The average opponent winrate against Seraphine is 50.68%.


Maokai
Spaczony Drzewiec
Karthus wins against Maokai 48.30% of the time which is 0.21% lower against Maokai than the average opponent.
After normalising both champions win rates Karthus wins against Maokai 1.29% more often than would be expected.
The average opponent winrate against Maokai is 48.51%.


Orianna
Mechaniczna Baletnica
Karthus wins against Orianna 48.31% of the time which is 5.12% lower against Orianna than the average opponent.
After normalising both champions win rates Karthus wins against Orianna 3.62% less often than would be expected.
The average opponent winrate against Orianna is 53.43%.


Sylas
Wyzwolony z Kajdan
Karthus wins against Sylas 49.02% of the time which is 2.62% lower against Sylas than the average opponent.
After normalising both champions win rates Karthus wins against Sylas 1.12% less often than would be expected.
The average opponent winrate against Sylas is 51.64%.


LeBlanc
Oszustka
Karthus wins against LeBlanc 49.05% of the time which is 1.32% lower against LeBlanc than the average opponent.
After normalising both champions win rates Karthus wins against LeBlanc 0.18% more often than would be expected.
The average opponent winrate against LeBlanc is 50.37%.


Poppy
Strażniczka Młota
Karthus wins against Poppy 49.11% of the time which is 0.15% lower against Poppy than the average opponent.
After normalising both champions win rates Karthus wins against Poppy 1.35% more often than would be expected.
The average opponent winrate against Poppy is 49.26%.


Elise
Królowa Pająków
Karthus wins against Elise 49.16% of the time which is 1.68% lower against Elise than the average opponent.
After normalising both champions win rates Karthus wins against Elise 0.18% less often than would be expected.
The average opponent winrate against Elise is 50.84%.


Hwei
Wizjoner
Karthus wins against Hwei 49.20% of the time which is 1.06% lower against Hwei than the average opponent.
After normalising both champions win rates Karthus wins against Hwei 0.44% more often than would be expected.
The average opponent winrate against Hwei is 50.26%.


Ziggs
Hextechowy Saper
Karthus wins against Ziggs 49.25% of the time which is 2.87% lower against Ziggs than the average opponent.
After normalising both champions win rates Karthus wins against Ziggs 1.37% less often than would be expected.
The average opponent winrate against Ziggs is 52.12%.


Sett
Szef
Karthus wins against Sett 49.41% of the time which is 2.21% lower against Sett than the average opponent.
After normalising both champions win rates Karthus wins against Sett 0.71% less often than would be expected.
The average opponent winrate against Sett is 51.62%.


Ornn
Ogień z Wnętrza Góry
Karthus wins against Ornn 49.42% of the time which is 3.27% lower against Ornn than the average opponent.
After normalising both champions win rates Karthus wins against Ornn 1.77% less often than would be expected.
The average opponent winrate against Ornn is 52.69%.


Leona
Promyk Jutrzenki
Karthus wins against Leona 49.43% of the time which is 1.07% lower against Leona than the average opponent.
After normalising both champions win rates Karthus wins against Leona 0.43% more often than would be expected.
The average opponent winrate against Leona is 50.50%.


Shaco
Demoniczny Błazen
Karthus wins against Shaco 49.47% of the time which is 0.99% higher against Shaco than the average opponent.
After normalising both champions win rates Karthus wins against Shaco 2.49% more often than would be expected.
The average opponent winrate against Shaco is 48.48%.


Singed
Szalony Chemik
Karthus wins against Singed 49.71% of the time which is 0.63% lower against Singed than the average opponent.
After normalising both champions win rates Karthus wins against Singed 0.87% more often than would be expected.
The average opponent winrate against Singed is 50.34%.


Neeko
Ciekawski Kameleon
Karthus wins against Neeko 49.95% of the time which is 0.99% lower against Neeko than the average opponent.
After normalising both champions win rates Karthus wins against Neeko 0.51% more often than would be expected.
The average opponent winrate against Neeko is 50.94%.


Ekko
Chłopiec, który ujarzmił czas
Karthus wins against Ekko 50.00% of the time which is 2.92% lower against Ekko than the average opponent.
After normalising both champions win rates Karthus wins against Ekko 1.42% less often than would be expected.
The average opponent winrate against Ekko is 52.92%.


Veigar
Panicz Zła
Karthus wins against Veigar 50.00% of the time which is 1.84% lower against Veigar than the average opponent.
After normalising both champions win rates Karthus wins against Veigar 0.34% less often than would be expected.
The average opponent winrate against Veigar is 51.84%.


Ivern
Zielony Ojciec
Karthus wins against Ivern 50.00% of the time which is 2.22% lower against Ivern than the average opponent.
After normalising both champions win rates Karthus wins against Ivern 0.72% less often than would be expected.
The average opponent winrate against Ivern is 52.22%.


Zoe
Aspekt Zmierzchu
Karthus wins against Zoe 50.06% of the time which is 0.46% lower against Zoe than the average opponent.
After normalising both champions win rates Karthus wins against Zoe 1.04% more often than would be expected.
The average opponent winrate against Zoe is 50.52%.


Rell
Żelazna Mścicielka
Karthus wins against Rell 50.08% of the time which is 1.05% higher against Rell than the average opponent.
After normalising both champions win rates Karthus wins against Rell 2.55% more often than would be expected.
The average opponent winrate against Rell is 49.03%.


Pantheon
Niezniszczalna Włócznia
Karthus wins against Pantheon 50.11% of the time which is 0.01% lower against Pantheon than the average opponent.
After normalising both champions win rates Karthus wins against Pantheon 1.49% more often than would be expected.
The average opponent winrate against Pantheon is 50.12%.


Braum
Serce Freljordu
Karthus wins against Braum 50.14% of the time which is 0.67% higher against Braum than the average opponent.
After normalising both champions win rates Karthus wins against Braum 2.17% more often than would be expected.
The average opponent winrate against Braum is 49.47%.


Alistar
Minotaur
Karthus wins against Alistar 50.25% of the time which is 0.79% lower against Alistar than the average opponent.
After normalising both champions win rates Karthus wins against Alistar 0.71% more often than would be expected.
The average opponent winrate against Alistar is 51.04%.


Nautilus
Tytan Głębin
Karthus wins against Nautilus 50.37% of the time which is 1.22% lower against Nautilus than the average opponent.
After normalising both champions win rates Karthus wins against Nautilus 0.28% more often than would be expected.
The average opponent winrate against Nautilus is 51.59%.


Annie
Dziecko Ciemności
Karthus wins against Annie 50.41% of the time which is 0.23% higher against Annie than the average opponent.
After normalising both champions win rates Karthus wins against Annie 1.73% more often than would be expected.
The average opponent winrate against Annie is 50.18%.


Amumu
Smutna Mumia
Karthus wins against Amumu 50.42% of the time which is 0.69% higher against Amumu than the average opponent.
After normalising both champions win rates Karthus wins against Amumu 2.19% more often than would be expected.
The average opponent winrate against Amumu is 49.73%.


Blitzcrank
Wielki Golem Parowy
Karthus wins against Blitzcrank 50.57% of the time which is 0.97% lower against Blitzcrank than the average opponent.
After normalising both champions win rates Karthus wins against Blitzcrank 0.53% more often than would be expected.
The average opponent winrate against Blitzcrank is 51.54%.


Swain
Wielki Generał Noxusu
Karthus wins against Swain 50.73% of the time which is 0.43% lower against Swain than the average opponent.
After normalising both champions win rates Karthus wins against Swain 1.07% more often than would be expected.
The average opponent winrate against Swain is 51.16%.


Nunu i Willump
Chłopiec i Jego Yeti
Karthus wins against Nunu i Willump 50.94% of the time which is 5.91% lower against Nunu i Willump than the average opponent.
After normalising both champions win rates Karthus wins against Nunu i Willump 4.43% less often than would be expected.
The average opponent winrate against Nunu i Willump is 56.85%.


Malphite
Okruch Monolitu
Karthus wins against Malphite 51.05% of the time which is 0.79% lower against Malphite than the average opponent.
After normalising both champions win rates Karthus wins against Malphite 0.71% more often than would be expected.
The average opponent winrate against Malphite is 51.84%.


Thresh
Strażnik Łańcuchów
Karthus wins against Thresh 51.10% of the time which is 0.24% higher against Thresh than the average opponent.
After normalising both champions win rates Karthus wins against Thresh 1.74% more often than would be expected.
The average opponent winrate against Thresh is 50.86%.


Nidalee
Zwierzęca Łowczyni
Karthus wins against Nidalee 51.48% of the time which is 1.29% lower against Nidalee than the average opponent.
After normalising both champions win rates Karthus wins against Nidalee 0.21% more often than would be expected.
The average opponent winrate against Nidalee is 52.77%.


Rakan
Uwodziciel
Karthus wins against Rakan 51.57% of the time which is 0.07% higher against Rakan than the average opponent.
After normalising both champions win rates Karthus wins against Rakan 1.57% more often than would be expected.
The average opponent winrate against Rakan is 51.50%.


Renata Glasc
Chembaronessa
Karthus wins against Renata Glasc 51.60% of the time which is 1.09% higher against Renata Glasc than the average opponent.
After normalising both champions win rates Karthus wins against Renata Glasc 2.59% more often than would be expected.
The average opponent winrate against Renata Glasc is 50.51%.


Pyke
Rozpruwacz z Krwawego Portu
Karthus wins against Pyke 51.88% of the time which is 0.56% lower against Pyke than the average opponent.
After normalising both champions win rates Karthus wins against Pyke 0.94% more often than would be expected.
The average opponent winrate against Pyke is 52.44%.


Gragas
Karczemny Zabijaka
Karthus wins against Gragas 51.98% of the time which is 0.09% higher against Gragas than the average opponent.
After normalising both champions win rates Karthus wins against Gragas 1.59% more often than would be expected.
The average opponent winrate against Gragas is 51.89%.


Lee Sin
Ślepy Mnich
Karthus wins against Lee Sin 52.19% of the time which is 3.56% lower against Lee Sin than the average opponent.
After normalising both champions win rates Karthus wins against Lee Sin 2.07% less often than would be expected.
The average opponent winrate against Lee Sin is 55.75%.


Zac
Tajna Broń
Karthus wins against Zac 52.54% of the time which is 2.12% higher against Zac than the average opponent.
After normalising both champions win rates Karthus wins against Zac 3.62% more often than would be expected.
The average opponent winrate against Zac is 50.42%.


Anivia
Kriofeniks
Karthus wins against Anivia 52.56% of the time which is 0.19% higher against Anivia than the average opponent.
After normalising both champions win rates Karthus wins against Anivia 1.69% more often than would be expected.
The average opponent winrate against Anivia is 52.37%.


Syndra
Mroczna Władczyni
Karthus wins against Syndra 52.73% of the time which is 0.81% lower against Syndra than the average opponent.
After normalising both champions win rates Karthus wins against Syndra 0.69% more often than would be expected.
The average opponent winrate against Syndra is 53.54%.


Camille
Stalowy Cień
Karthus wins against Camille 53.11% of the time which is 0.09% lower against Camille than the average opponent.
After normalising both champions win rates Karthus wins against Camille 1.41% more often than would be expected.
The average opponent winrate against Camille is 53.20%.


Taliyah
Tkaczka Skał
Karthus wins against Taliyah 53.28% of the time which is 2.09% higher against Taliyah than the average opponent.
After normalising both champions win rates Karthus wins against Taliyah 3.59% more often than would be expected.
The average opponent winrate against Taliyah is 51.19%.


Miss Fortune
Łowczyni Nagród
Karthus wins against Miss Fortune 54.02% of the time which is 1.66% lower against Miss Fortune than the average opponent.
After normalising both champions win rates Karthus wins against Miss Fortune 0.17% less often than would be expected.
The average opponent winrate against Miss Fortune is 55.68%.


Jarvan IV
Wzór dla Demacian
Karthus wins against Jarvan IV 54.45% of the time which is 4.51% higher against Jarvan IV than the average opponent.
After normalising both champions win rates Karthus wins against Jarvan IV 6.01% more often than would be expected.
The average opponent winrate against Jarvan IV is 49.94%.


Twisted Fate
Mistrz Kart
Karthus wins against Twisted Fate 54.48% of the time which is 1.59% higher against Twisted Fate than the average opponent.
After normalising both champions win rates Karthus wins against Twisted Fate 3.09% more often than would be expected.
The average opponent winrate against Twisted Fate is 52.89%.


Ashe
Lodowa Łuczniczka
Karthus wins against Ashe 54.55% of the time which is 0.89% lower against Ashe than the average opponent.
After normalising both champions win rates Karthus wins against Ashe 0.60% more often than would be expected.
The average opponent winrate against Ashe is 55.44%.


Aurora
Wiedźma spomiędzy Światów
Karthus wins against Aurora 55.10% of the time which is 0.38% lower against Aurora than the average opponent.
After normalising both champions win rates Karthus wins against Aurora 1.11% more often than would be expected.
The average opponent winrate against Aurora is 55.48%.


Skarner
Przedwieczny Suweren
Karthus wins against Skarner 55.20% of the time which is 2.77% higher against Skarner than the average opponent.
After normalising both champions win rates Karthus wins against Skarner 4.27% more often than would be expected.
The average opponent winrate against Skarner is 52.43%.


Dr Mundo
Szaleniec z Zaun
Karthus wins against Dr Mundo 55.56% of the time which is 3.21% higher against Dr Mundo than the average opponent.
After normalising both champions win rates Karthus wins against Dr Mundo 4.71% more often than would be expected.
The average opponent winrate against Dr Mundo is 52.35%.


Vex
Ponuraczka
Karthus wins against Vex 55.63% of the time which is 3.26% higher against Vex than the average opponent.
After normalising both champions win rates Karthus wins against Vex 4.76% more often than would be expected.
The average opponent winrate against Vex is 52.37%.


Kennen
Serce Nawałnicy
Karthus wins against Kennen 55.96% of the time which is 5.27% higher against Kennen than the average opponent.
After normalising both champions win rates Karthus wins against Kennen 6.77% more often than would be expected.
The average opponent winrate against Kennen is 50.69%.


Rammus
Pancerznik
Karthus wins against Rammus 56.58% of the time which is 5.83% higher against Rammus than the average opponent.
After normalising both champions win rates Karthus wins against Rammus 7.33% more often than would be expected.
The average opponent winrate against Rammus is 50.75%.


Varus
Strzała Odkupienia
Karthus wins against Varus 57.28% of the time which is 0.61% lower against Varus than the average opponent.
After normalising both champions win rates Karthus wins against Varus 0.86% more often than would be expected.
The average opponent winrate against Varus is 57.89%.


Ezreal
Odkrywca z Powołania
Karthus wins against Ezreal 57.31% of the time which is 3.50% lower against Ezreal than the average opponent.
After normalising both champions win rates Karthus wins against Ezreal 2.06% less often than would be expected.
The average opponent winrate against Ezreal is 60.81%.


Twitch
Szczur Zarazy
Karthus wins against Twitch 57.48% of the time which is 0.23% lower against Twitch than the average opponent.
After normalising both champions win rates Karthus wins against Twitch 1.24% more often than would be expected.
The average opponent winrate against Twitch is 57.71%.


Lissandra
Wiedźma Lodu
Karthus wins against Lissandra 58.59% of the time which is 6.31% higher against Lissandra than the average opponent.
After normalising both champions win rates Karthus wins against Lissandra 7.81% more often than would be expected.
The average opponent winrate against Lissandra is 52.28%.


Wukong
Małpi Król
Karthus wins against Wukong 59.00% of the time which is 8.83% higher against Wukong than the average opponent.
After normalising both champions win rates Karthus wins against Wukong 10.33% more often than would be expected.
The average opponent winrate against Wukong is 50.17%.


Jhin
Wirtuoz
Karthus wins against Jhin 60.63% of the time which is 0.93% higher against Jhin than the average opponent.
After normalising both champions win rates Karthus wins against Jhin 2.38% more often than would be expected.
The average opponent winrate against Jhin is 59.70%.


Caitlyn
Szeryf Piltover
Karthus wins against Caitlyn 65.25% of the time which is 2.21% higher against Caitlyn than the average opponent.
After normalising both champions win rates Karthus wins against Caitlyn 3.62% more often than would be expected.
The average opponent winrate against Caitlyn is 63.04%.