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: 63,297,340
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 14.11 is the strongest counter to middle champions of Yone, Xerath & LeBlanc. While Karthus support is countered most by middle champions of Diana, Tristana & Malzahar. Below is a detailed breakdown of Karthus support counters against middle champions with a minimum of 100 games.
Diana
Scorn of the Moon
Karthus wins against Diana 38.32% of the time which is 10.39% lower against Diana than the average opponent.
After normalising both champions win rates Karthus wins against Diana 6.36% less often than would be expected.
The average opponent winrate against Dianais 48.71%.
Tristana
the Yordle Gunner
Karthus wins against Tristana 39.13% of the time which is 11.47% lower against Tristana than the average opponent.
After normalising both champions win rates Karthus wins against Tristana 7.43% less often than would be expected.
The average opponent winrate against Tristanais 50.60%.
Malzahar
the Prophet of the Void
Karthus wins against Malzahar 40.43% of the time which is 8.04% lower against Malzahar than the average opponent.
After normalising both champions win rates Karthus wins against Malzahar 4.01% less often than would be expected.
The average opponent winrate against Malzaharis 48.47%.
Veigar
the Tiny Master of Evil
Karthus wins against Veigar 41.36% of the time which is 6.76% lower against Veigar than the average opponent.
After normalising both champions win rates Karthus wins against Veigar 2.74% less often than would be expected.
The average opponent winrate against Veigaris 48.12%.
Sylas
the Unshackled
Karthus wins against Sylas 41.75% of the time which is 7.40% lower against Sylas than the average opponent.
After normalising both champions win rates Karthus wins against Sylas 3.37% less often than would be expected.
The average opponent winrate against Sylasis 49.15%.
Hwei
the Visionary
Karthus wins against Hwei 41.78% of the time which is 9.49% lower against Hwei than the average opponent.
After normalising both champions win rates Karthus wins against Hwei 5.44% less often than would be expected.
The average opponent winrate against Hweiis 51.27%.
Vex
the Gloomist
Karthus wins against Vex 41.82% of the time which is 6.50% lower against Vex than the average opponent.
After normalising both champions win rates Karthus wins against Vex 2.48% less often than would be expected.
The average opponent winrate against Vexis 48.32%.
Lux
the Lady of Luminosity
Karthus wins against Lux 42.60% of the time which is 5.45% lower against Lux than the average opponent.
After normalising both champions win rates Karthus wins against Lux 1.43% less often than would be expected.
The average opponent winrate against Luxis 48.05%.
Fizz
the Tidal Trickster
Karthus wins against Fizz 44.67% of the time which is 4.33% lower against Fizz than the average opponent.
After normalising both champions win rates Karthus wins against Fizz 0.30% less often than would be expected.
The average opponent winrate against Fizzis 49.00%.
Twisted Fate
the Card Master
Karthus wins against Twisted Fate 45.28% of the time which is 3.28% lower against Twisted Fate than the average opponent.
After normalising both champions win rates Karthus wins against Twisted Fate 0.75% more often than would be expected.
The average opponent winrate against Twisted Fateis 48.56%.
Yasuo
the Unforgiven
Karthus wins against Yasuo 45.45% of the time which is 6.02% lower against Yasuo than the average opponent.
After normalising both champions win rates Karthus wins against Yasuo 1.97% less often than would be expected.
The average opponent winrate against Yasuois 51.47%.
Akali
the Rogue Assassin
Karthus wins against Akali 45.66% of the time which is 4.59% lower against Akali than the average opponent.
After normalising both champions win rates Karthus wins against Akali 0.55% less often than would be expected.
The average opponent winrate against Akaliis 50.25%.
Corki
the Daring Bombardier
Karthus wins against Corki 45.76% of the time which is 8.46% lower against Corki than the average opponent.
After normalising both champions win rates Karthus wins against Corki 4.42% less often than would be expected.
The average opponent winrate against Corkiis 54.22%.
Zed
the Master of Shadows
Karthus wins against Zed 47.40% of the time which is 4.39% lower against Zed than the average opponent.
After normalising both champions win rates Karthus wins against Zed 0.34% less often than would be expected.
The average opponent winrate against Zedis 51.79%.
Syndra
the Dark Sovereign
Karthus wins against Syndra 47.79% of the time which is 1.88% lower against Syndra than the average opponent.
After normalising both champions win rates Karthus wins against Syndra 2.16% more often than would be expected.
The average opponent winrate against Syndrais 49.67%.
Brand
the Burning Vengeance
Karthus wins against Brand 47.83% of the time which is 0.43% higher against Brand than the average opponent.
After normalising both champions win rates Karthus wins against Brand 4.44% more often than would be expected.
The average opponent winrate against Brandis 47.40%.
Irelia
the Blade Dancer
Karthus wins against Irelia 48.00% of the time which is 2.10% lower against Irelia than the average opponent.
After normalising both champions win rates Karthus wins against Irelia 1.94% more often than would be expected.
The average opponent winrate against Ireliais 50.10%.
Ahri
the Nine-Tailed Fox
Karthus wins against Ahri 48.19% of the time which is 1.95% lower against Ahri than the average opponent.
After normalising both champions win rates Karthus wins against Ahri 2.09% more often than would be expected.
The average opponent winrate against Ahriis 50.14%.
Aurelion Sol
The Star Forger
Karthus wins against Aurelion Sol 48.59% of the time which is 0.44% lower against Aurelion Sol than the average opponent.
After normalising both champions win rates Karthus wins against Aurelion Sol 3.59% more often than would be expected.
The average opponent winrate against Aurelion Solis 49.03%.
Katarina
the Sinister Blade
Karthus wins against Katarina 48.70% of the time which is 2.76% lower against Katarina than the average opponent.
After normalising both champions win rates Karthus wins against Katarina 1.29% more often than would be expected.
The average opponent winrate against Katarinais 51.46%.
LeBlanc
the Deceiver
Karthus wins against LeBlanc 49.25% of the time which is 2.24% lower against LeBlanc than the average opponent.
After normalising both champions win rates Karthus wins against LeBlanc 1.81% more often than would be expected.
The average opponent winrate against LeBlancis 51.49%.
Xerath
the Magus Ascendant
Karthus wins against Xerath 52.00% of the time which is 4.18% higher against Xerath than the average opponent.
After normalising both champions win rates Karthus wins against Xerath 8.20% more often than would be expected.
The average opponent winrate against Xerathis 47.82%.
Yone
the Unforgotten
Karthus wins against Yone 52.53% of the time which is 0.52% lower against Yone than the average opponent.
After normalising both champions win rates Karthus wins against Yone 3.52% more often than would be expected.
The average opponent winrate against Yoneis 53.05%.