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: 166,554,200
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 support vs middle Counters
Karthus support on Patch 14.1 is the strongest counter to middle champions of Akshan, Syndra & Hwei. While Karthus support is countered most by middle champions of Malzahar, Ekko & Aurelion Sol. Below is a detailed breakdown of Karthus support counters against middle champions with a minimum of 100 games.
Malzahar
the Prophet of the Void
Karthus wins against Malzahar 39.37% of the time which is 9.29% lower against Malzahar than the average opponent.
After normalising both champions win rates Karthus wins against Malzahar 5.30% less often than would be expected.
The average opponent winrate against Malzaharis 48.66%.
Ekko
the Boy Who Shattered Time
Karthus wins against Ekko 40.15% of the time which is 7.85% lower against Ekko than the average opponent.
After normalising both champions win rates Karthus wins against Ekko 3.87% less often than would be expected.
The average opponent winrate against Ekkois 48.00%.
Aurelion Sol
The Star Forger
Karthus wins against Aurelion Sol 40.38% of the time which is 8.68% lower against Aurelion Sol than the average opponent.
After normalising both champions win rates Karthus wins against Aurelion Sol 4.69% less often than would be expected.
The average opponent winrate against Aurelion Solis 49.06%.
Vladimir
the Crimson Reaper
Karthus wins against Vladimir 40.74% of the time which is 7.72% lower against Vladimir than the average opponent.
After normalising both champions win rates Karthus wins against Vladimir 3.73% less often than would be expected.
The average opponent winrate against Vladimiris 48.46%.
Diana
Scorn of the Moon
Karthus wins against Diana 41.35% of the time which is 5.95% lower against Diana than the average opponent.
After normalising both champions win rates Karthus wins against Diana 1.98% less often than would be expected.
The average opponent winrate against Dianais 47.30%.
Lissandra
the Ice Witch
Karthus wins against Lissandra 41.58% of the time which is 7.94% lower against Lissandra than the average opponent.
After normalising both champions win rates Karthus wins against Lissandra 3.94% less often than would be expected.
The average opponent winrate against Lissandrais 49.52%.
Fizz
the Tidal Trickster
Karthus wins against Fizz 41.69% of the time which is 5.15% lower against Fizz than the average opponent.
After normalising both champions win rates Karthus wins against Fizz 1.19% less often than would be expected.
The average opponent winrate against Fizzis 46.84%.
Xerath
the Magus Ascendant
Karthus wins against Xerath 42.66% of the time which is 5.81% lower against Xerath than the average opponent.
After normalising both champions win rates Karthus wins against Xerath 1.82% less often than would be expected.
The average opponent winrate against Xerathis 48.47%.
Irelia
the Blade Dancer
Karthus wins against Irelia 42.68% of the time which is 6.70% lower against Irelia than the average opponent.
After normalising both champions win rates Karthus wins against Irelia 2.70% less often than would be expected.
The average opponent winrate against Ireliais 49.38%.
Galio
the Colossus
Karthus wins against Galio 42.79% of the time which is 6.14% lower against Galio than the average opponent.
After normalising both champions win rates Karthus wins against Galio 2.15% less often than would be expected.
The average opponent winrate against Galiois 48.93%.
Yone
the Unforgotten
Karthus wins against Yone 43.14% of the time which is 7.45% lower against Yone than the average opponent.
After normalising both champions win rates Karthus wins against Yone 3.45% less often than would be expected.
The average opponent winrate against Yoneis 50.59%.
Kassadin
the Void Walker
Karthus wins against Kassadin 44.00% of the time which is 5.05% lower against Kassadin than the average opponent.
After normalising both champions win rates Karthus wins against Kassadin 1.06% less often than would be expected.
The average opponent winrate against Kassadinis 49.05%.
Zoe
the Aspect of Twilight
Karthus wins against Zoe 44.27% of the time which is 8.15% lower against Zoe than the average opponent.
After normalising both champions win rates Karthus wins against Zoe 4.14% less often than would be expected.
The average opponent winrate against Zoeis 52.42%.
Pantheon
the Unbreakable Spear
Karthus wins against Pantheon 44.30% of the time which is 5.61% lower against Pantheon than the average opponent.
After normalising both champions win rates Karthus wins against Pantheon 1.61% less often than would be expected.
The average opponent winrate against Pantheonis 49.91%.
Ahri
the Nine-Tailed Fox
Karthus wins against Ahri 44.50% of the time which is 7.13% lower against Ahri than the average opponent.
After normalising both champions win rates Karthus wins against Ahri 3.12% less often than would be expected.
The average opponent winrate against Ahriis 51.63%.
Sylas
the Unshackled
Karthus wins against Sylas 44.85% of the time which is 5.41% lower against Sylas than the average opponent.
After normalising both champions win rates Karthus wins against Sylas 1.41% less often than would be expected.
The average opponent winrate against Sylasis 50.26%.
Vex
the Gloomist
Karthus wins against Vex 44.93% of the time which is 5.15% lower against Vex than the average opponent.
After normalising both champions win rates Karthus wins against Vex 1.15% less often than would be expected.
The average opponent winrate against Vexis 50.08%.
Corki
the Daring Bombardier
Karthus wins against Corki 45.00% of the time which is 7.60% lower against Corki than the average opponent.
After normalising both champions win rates Karthus wins against Corki 3.59% less often than would be expected.
The average opponent winrate against Corkiis 52.60%.
Twisted Fate
the Card Master
Karthus wins against Twisted Fate 45.03% of the time which is 4.26% lower against Twisted Fate than the average opponent.
After normalising both champions win rates Karthus wins against Twisted Fate 0.27% less often than would be expected.
The average opponent winrate against Twisted Fateis 49.29%.
Annie
the Dark Child
Karthus wins against Annie 45.38% of the time which is 3.65% lower against Annie than the average opponent.
After normalising both champions win rates Karthus wins against Annie 0.34% more often than would be expected.
The average opponent winrate against Annieis 49.03%.
Anivia
the Cryophoenix
Karthus wins against Anivia 45.54% of the time which is 2.34% lower against Anivia than the average opponent.
After normalising both champions win rates Karthus wins against Anivia 1.64% more often than would be expected.
The average opponent winrate against Aniviais 47.88%.
Lux
the Lady of Luminosity
Karthus wins against Lux 45.60% of the time which is 3.25% lower against Lux than the average opponent.
After normalising both champions win rates Karthus wins against Lux 0.74% more often than would be expected.
The average opponent winrate against Luxis 48.85%.
Jayce
the Defender of Tomorrow
Karthus wins against Jayce 45.69% of the time which is 5.65% lower against Jayce than the average opponent.
After normalising both champions win rates Karthus wins against Jayce 1.64% less often than would be expected.
The average opponent winrate against Jayceis 51.34%.
Viktor
the Machine Herald
Karthus wins against Viktor 45.74% of the time which is 3.36% lower against Viktor than the average opponent.
After normalising both champions win rates Karthus wins against Viktor 0.63% more often than would be expected.
The average opponent winrate against Viktoris 49.10%.
Akali
the Rogue Assassin
Karthus wins against Akali 45.89% of the time which is 4.38% lower against Akali than the average opponent.
After normalising both champions win rates Karthus wins against Akali 0.38% less often than would be expected.
The average opponent winrate against Akaliis 50.27%.
Naafiri
the Hound of a Hundred Bites
Karthus wins against Naafiri 46.90% of the time which is 1.92% lower against Naafiri than the average opponent.
After normalising both champions win rates Karthus wins against Naafiri 2.07% more often than would be expected.
The average opponent winrate against Naafiriis 48.82%.
Azir
the Emperor of the Sands
Karthus wins against Azir 47.06% of the time which is 3.25% lower against Azir than the average opponent.
After normalising both champions win rates Karthus wins against Azir 0.75% more often than would be expected.
The average opponent winrate against Aziris 50.31%.
Talon
the Blade's Shadow
Karthus wins against Talon 47.10% of the time which is 3.76% lower against Talon than the average opponent.
After normalising both champions win rates Karthus wins against Talon 0.24% more often than would be expected.
The average opponent winrate against Talonis 50.86%.
Neeko
the Curious Chameleon
Karthus wins against Neeko 47.93% of the time which is 1.14% lower against Neeko than the average opponent.
After normalising both champions win rates Karthus wins against Neeko 2.85% more often than would be expected.
The average opponent winrate against Neekois 49.07%.
Yasuo
the Unforgiven
Karthus wins against Yasuo 48.26% of the time which is 1.88% lower against Yasuo than the average opponent.
After normalising both champions win rates Karthus wins against Yasuo 2.12% more often than would be expected.
The average opponent winrate against Yasuois 50.14%.
Qiyana
Empress of the Elements
Karthus wins against Qiyana 48.41% of the time which is 2.55% lower against Qiyana than the average opponent.
After normalising both champions win rates Karthus wins against Qiyana 1.45% more often than would be expected.
The average opponent winrate against Qiyanais 50.96%.
Katarina
the Sinister Blade
Karthus wins against Katarina 49.19% of the time which is 0.82% lower against Katarina than the average opponent.
After normalising both champions win rates Karthus wins against Katarina 3.18% more often than would be expected.
The average opponent winrate against Katarinais 50.01%.
Orianna
the Lady of Clockwork
Karthus wins against Orianna 49.32% of the time which is 2.92% lower against Orianna than the average opponent.
After normalising both champions win rates Karthus wins against Orianna 1.09% more often than would be expected.
The average opponent winrate against Oriannais 52.24%.
Zed
the Master of Shadows
Karthus wins against Zed 49.42% of the time which is 2.93% lower against Zed than the average opponent.
After normalising both champions win rates Karthus wins against Zed 1.08% more often than would be expected.
The average opponent winrate against Zedis 52.35%.
Veigar
the Tiny Master of Evil
Karthus wins against Veigar 49.52% of the time which is 0.50% lower against Veigar than the average opponent.
After normalising both champions win rates Karthus wins against Veigar 3.50% more often than would be expected.
The average opponent winrate against Veigaris 50.02%.
LeBlanc
the Deceiver
Karthus wins against LeBlanc 51.43% of the time which is 2.22% lower against LeBlanc than the average opponent.
After normalising both champions win rates Karthus wins against LeBlanc 1.78% more often than would be expected.
The average opponent winrate against LeBlancis 53.65%.
Hwei
the Visionary
Karthus wins against Hwei 52.47% of the time which is 2.25% lower against Hwei than the average opponent.
After normalising both champions win rates Karthus wins against Hwei 1.74% more often than would be expected.
The average opponent winrate against Hweiis 54.72%.
Syndra
the Dark Sovereign
Karthus wins against Syndra 52.79% of the time which is 1.74% higher against Syndra than the average opponent.
After normalising both champions win rates Karthus wins against Syndra 5.74% more often than would be expected.
The average opponent winrate against Syndrais 51.05%.
Akshan
the Rogue Sentinel
Karthus wins against Akshan 55.80% of the time which is 6.57% higher against Akshan than the average opponent.
After normalising both champions win rates Karthus wins against Akshan 10.56% more often than would be expected.
The average opponent winrate against Akshanis 49.23%.