

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: 97,824,760
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 15.4 is the strongest counter to top champions of Heimerdinger, Jayce & Teemo. While Karthus top is countered most by top champions of Sion, Garen & Dr. Mundo. Below is a detailed breakdown of Karthus top counters against top champions with a minimum of 100 games.


Sion
The Undead Juggernaut
Karthus wins against Sion 39.81% of the time which is 9.61% lower against Sion than the average opponent.
After normalising both champions win rates Karthus wins against Sion 6.84% less often than would be expected.
The average opponent winrate against Sion is 49.42%.


Garen
The Might of Demacia
Karthus wins against Garen 40.73% of the time which is 7.78% lower against Garen than the average opponent.
After normalising both champions win rates Karthus wins against Garen 5.02% less often than would be expected.
The average opponent winrate against Garen is 48.51%.


Dr. Mundo
the Madman of Zaun
Karthus wins against Dr. Mundo 41.18% of the time which is 8.47% lower against Dr. Mundo than the average opponent.
After normalising both champions win rates Karthus wins against Dr. Mundo 5.70% less often than would be expected.
The average opponent winrate against Dr. Mundo is 49.65%.


Sett
the Boss
Karthus wins against Sett 41.80% of the time which is 6.17% lower against Sett than the average opponent.
After normalising both champions win rates Karthus wins against Sett 3.41% less often than would be expected.
The average opponent winrate against Sett is 47.97%.


Aatrox
the Darkin Blade
Karthus wins against Aatrox 43.05% of the time which is 7.33% lower against Aatrox than the average opponent.
After normalising both champions win rates Karthus wins against Aatrox 4.56% less often than would be expected.
The average opponent winrate against Aatrox is 50.38%.


Nasus
the Curator of the Sands
Karthus wins against Nasus 44.12% of the time which is 4.68% lower against Nasus than the average opponent.
After normalising both champions win rates Karthus wins against Nasus 1.92% less often than would be expected.
The average opponent winrate against Nasus is 48.80%.


Yorick
Shepherd of Souls
Karthus wins against Yorick 45.19% of the time which is 1.93% lower against Yorick than the average opponent.
After normalising both champions win rates Karthus wins against Yorick 0.82% more often than would be expected.
The average opponent winrate against Yorick is 47.12%.


Cho'Gath
the Terror of the Void
Karthus wins against Cho'Gath 45.69% of the time which is 3.75% lower against Cho'Gath than the average opponent.
After normalising both champions win rates Karthus wins against Cho'Gath 0.98% less often than would be expected.
The average opponent winrate against Cho'Gath is 49.44%.


Kayle
the Righteous
Karthus wins against Kayle 45.79% of the time which is 2.29% lower against Kayle than the average opponent.
After normalising both champions win rates Karthus wins against Kayle 0.47% more often than would be expected.
The average opponent winrate against Kayle is 48.08%.


Yone
the Unforgotten
Karthus wins against Yone 46.20% of the time which is 5.43% lower against Yone than the average opponent.
After normalising both champions win rates Karthus wins against Yone 2.66% less often than would be expected.
The average opponent winrate against Yone is 51.63%.


Mordekaiser
the Iron Revenant
Karthus wins against Mordekaiser 46.67% of the time which is 1.88% lower against Mordekaiser than the average opponent.
After normalising both champions win rates Karthus wins against Mordekaiser 0.88% more often than would be expected.
The average opponent winrate against Mordekaiser is 48.55%.


Malphite
Shard of the Monolith
Karthus wins against Malphite 47.58% of the time which is 1.29% lower against Malphite than the average opponent.
After normalising both champions win rates Karthus wins against Malphite 1.48% more often than would be expected.
The average opponent winrate against Malphite is 48.87%.


Darius
the Hand of Noxus
Karthus wins against Darius 48.81% of the time which is 1.35% lower against Darius than the average opponent.
After normalising both champions win rates Karthus wins against Darius 1.42% more often than would be expected.
The average opponent winrate against Darius is 50.16%.


Jax
Grandmaster at Arms
Karthus wins against Jax 50.00% of the time which is 1.35% lower against Jax than the average opponent.
After normalising both champions win rates Karthus wins against Jax 1.42% more often than would be expected.
The average opponent winrate against Jax is 51.35%.


Volibear
the Relentless Storm
Karthus wins against Volibear 51.72% of the time which is 1.68% higher against Volibear than the average opponent.
After normalising both champions win rates Karthus wins against Volibear 4.45% more often than would be expected.
The average opponent winrate against Volibear is 50.04%.


Renekton
the Butcher of the Sands
Karthus wins against Renekton 53.85% of the time which is 3.03% higher against Renekton than the average opponent.
After normalising both champions win rates Karthus wins against Renekton 5.80% more often than would be expected.
The average opponent winrate against Renekton is 50.82%.


Teemo
the Swift Scout
Karthus wins against Teemo 55.05% of the time which is 6.88% higher against Teemo than the average opponent.
After normalising both champions win rates Karthus wins against Teemo 9.64% more often than would be expected.
The average opponent winrate against Teemo is 48.17%.


Jayce
the Defender of Tomorrow
Karthus wins against Jayce 57.52% of the time which is 5.43% higher against Jayce than the average opponent.
After normalising both champions win rates Karthus wins against Jayce 8.20% more often than would be expected.
The average opponent winrate against Jayce is 52.09%.


Heimerdinger
the Revered Inventor
Karthus wins against Heimerdinger 57.89% of the time which is 9.62% higher against Heimerdinger than the average opponent.
After normalising both champions win rates Karthus wins against Heimerdinger 12.38% more often than would be expected.
The average opponent winrate against Heimerdinger is 48.27%.