

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: 94,291,470
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 top vs top Counters
Karthus top on Patch 15.5 is the strongest counter to top champions of Heimerdinger, Teemo & Gnar. While Karthus top is countered most by top champions of Garen, Irelia & Kayle. Below is a detailed breakdown of Karthus top counters against top champions with a minimum of 100 games.


Garen
The Might of Demacia
Karthus wins against Garen 36.52% of the time which is 12.30% lower against Garen than the average opponent.
After normalising both champions win rates Karthus wins against Garen 9.41% less often than would be expected.
The average opponent winrate against Garen is 48.82%.


Irelia
the Blade Dancer
Karthus wins against Irelia 40.19% of the time which is 9.80% lower against Irelia than the average opponent.
After normalising both champions win rates Karthus wins against Irelia 6.90% less often than would be expected.
The average opponent winrate against Irelia is 49.99%.


Kayle
the Righteous
Karthus wins against Kayle 41.53% of the time which is 6.86% lower against Kayle than the average opponent.
After normalising both champions win rates Karthus wins against Kayle 3.97% less often than would be expected.
The average opponent winrate against Kayle is 48.39%.


Volibear
the Relentless Storm
Karthus wins against Volibear 41.59% of the time which is 8.33% lower against Volibear than the average opponent.
After normalising both champions win rates Karthus wins against Volibear 5.43% less often than would be expected.
The average opponent winrate against Volibear is 49.92%.


Yorick
Shepherd of Souls
Karthus wins against Yorick 41.67% of the time which is 5.51% lower against Yorick than the average opponent.
After normalising both champions win rates Karthus wins against Yorick 2.63% less often than would be expected.
The average opponent winrate against Yorick is 47.18%.


Sion
The Undead Juggernaut
Karthus wins against Sion 42.86% of the time which is 6.15% lower against Sion than the average opponent.
After normalising both champions win rates Karthus wins against Sion 3.25% less often than would be expected.
The average opponent winrate against Sion is 49.01%.


Gangplank
the Saltwater Scourge
Karthus wins against Gangplank 43.70% of the time which is 8.29% lower against Gangplank than the average opponent.
After normalising both champions win rates Karthus wins against Gangplank 5.39% less often than would be expected.
The average opponent winrate against Gangplank is 51.99%.


Jax
Grandmaster at Arms
Karthus wins against Jax 44.76% of the time which is 6.32% lower against Jax than the average opponent.
After normalising both champions win rates Karthus wins against Jax 3.42% less often than would be expected.
The average opponent winrate against Jax is 51.08%.


Cho'Gath
the Terror of the Void
Karthus wins against Cho'Gath 45.38% of the time which is 4.48% lower against Cho'Gath than the average opponent.
After normalising both champions win rates Karthus wins against Cho'Gath 1.58% less often than would be expected.
The average opponent winrate against Cho'Gath is 49.86%.


Jayce
the Defender of Tomorrow
Karthus wins against Jayce 46.32% of the time which is 5.69% lower against Jayce than the average opponent.
After normalising both champions win rates Karthus wins against Jayce 2.79% less often than would be expected.
The average opponent winrate against Jayce is 52.01%.


Yone
the Unforgotten
Karthus wins against Yone 46.41% of the time which is 5.12% lower against Yone than the average opponent.
After normalising both champions win rates Karthus wins against Yone 2.22% less often than would be expected.
The average opponent winrate against Yone is 51.53%.


Aatrox
the Darkin Blade
Karthus wins against Aatrox 46.89% of the time which is 3.52% lower against Aatrox than the average opponent.
After normalising both champions win rates Karthus wins against Aatrox 0.62% less often than would be expected.
The average opponent winrate against Aatrox is 50.41%.


Sett
the Boss
Karthus wins against Sett 47.57% of the time which is 0.15% lower against Sett than the average opponent.
After normalising both champions win rates Karthus wins against Sett 2.74% more often than would be expected.
The average opponent winrate against Sett is 47.72%.


Malphite
Shard of the Monolith
Karthus wins against Malphite 47.92% of the time which is 0.69% lower against Malphite than the average opponent.
After normalising both champions win rates Karthus wins against Malphite 2.20% more often than would be expected.
The average opponent winrate against Malphite is 48.61%.


Nasus
the Curator of the Sands
Karthus wins against Nasus 48.04% of the time which is 0.49% lower against Nasus than the average opponent.
After normalising both champions win rates Karthus wins against Nasus 2.40% more often than would be expected.
The average opponent winrate against Nasus is 48.53%.


Mordekaiser
the Iron Revenant
Karthus wins against Mordekaiser 48.06% of the time which is 0.13% lower against Mordekaiser than the average opponent.
After normalising both champions win rates Karthus wins against Mordekaiser 2.76% more often than would be expected.
The average opponent winrate against Mordekaiser is 48.19%.


Darius
the Hand of Noxus
Karthus wins against Darius 49.55% of the time which is 0.82% lower against Darius than the average opponent.
After normalising both champions win rates Karthus wins against Darius 2.08% more often than would be expected.
The average opponent winrate against Darius is 50.37%.


Urgot
the Dreadnought
Karthus wins against Urgot 49.58% of the time which is 1.84% higher against Urgot than the average opponent.
After normalising both champions win rates Karthus wins against Urgot 4.73% more often than would be expected.
The average opponent winrate against Urgot is 47.74%.


Gnar
the Missing Link
Karthus wins against Gnar 50.82% of the time which is 0.29% lower against Gnar than the average opponent.
After normalising both champions win rates Karthus wins against Gnar 2.61% more often than would be expected.
The average opponent winrate against Gnar is 51.11%.


Teemo
the Swift Scout
Karthus wins against Teemo 54.66% of the time which is 6.49% higher against Teemo than the average opponent.
After normalising both champions win rates Karthus wins against Teemo 9.38% more often than would be expected.
The average opponent winrate against Teemo is 48.17%.


Heimerdinger
the Revered Inventor
Karthus wins against Heimerdinger 61.26% of the time which is 13.19% higher against Heimerdinger than the average opponent.
After normalising both champions win rates Karthus wins against Heimerdinger 16.08% more often than would be expected.
The average opponent winrate against Heimerdinger is 48.07%.