

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: 75,041,920
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 15.15 is the strongest counter to top champions of Malphite, Teemo & Renekton. While Karthus top is countered most by top champions of Irelia, Sion & Sett. Below is a detailed breakdown of Karthus top counters against top champions with a minimum of 100 games.


Irelia
the Blade Dancer
Karthus wins against Irelia 34.68% of the time which is 14.93% lower against Irelia than the average opponent.
After normalising both champions win rates Karthus wins against Irelia 10.81% less often than would be expected.
The average opponent winrate against Irelia is 49.61%.


Sion
The Undead Juggernaut
Karthus wins against Sion 40.16% of the time which is 9.35% lower against Sion than the average opponent.
After normalising both champions win rates Karthus wins against Sion 5.23% less often than would be expected.
The average opponent winrate against Sion is 49.51%.


Sett
the Boss
Karthus wins against Sett 40.91% of the time which is 6.98% lower against Sett than the average opponent.
After normalising both champions win rates Karthus wins against Sett 2.88% less often than would be expected.
The average opponent winrate against Sett is 47.89%.


Yone
the Unforgotten
Karthus wins against Yone 40.94% of the time which is 10.81% lower against Yone than the average opponent.
After normalising both champions win rates Karthus wins against Yone 6.68% less often than would be expected.
The average opponent winrate against Yone is 51.75%.


Jax
Grandmaster at Arms
Karthus wins against Jax 42.71% of the time which is 7.32% lower against Jax than the average opponent.
After normalising both champions win rates Karthus wins against Jax 3.20% less often than would be expected.
The average opponent winrate against Jax is 50.03%.


Garen
The Might of Demacia
Karthus wins against Garen 42.86% of the time which is 6.17% lower against Garen than the average opponent.
After normalising both champions win rates Karthus wins against Garen 2.06% less often than would be expected.
The average opponent winrate against Garen is 49.03%.


Mordekaiser
the Iron Revenant
Karthus wins against Mordekaiser 42.86% of the time which is 4.98% lower against Mordekaiser than the average opponent.
After normalising both champions win rates Karthus wins against Mordekaiser 0.88% less often than would be expected.
The average opponent winrate against Mordekaiser is 47.84%.


Dr. Mundo
the Madman of Zaun
Karthus wins against Dr. Mundo 43.04% of the time which is 6.00% lower against Dr. Mundo than the average opponent.
After normalising both champions win rates Karthus wins against Dr. Mundo 1.89% less often than would be expected.
The average opponent winrate against Dr. Mundo is 49.04%.


Aatrox
the Darkin Blade
Karthus wins against Aatrox 43.45% of the time which is 7.65% lower against Aatrox than the average opponent.
After normalising both champions win rates Karthus wins against Aatrox 3.52% less often than would be expected.
The average opponent winrate against Aatrox is 51.10%.


K'Sante
the Pride of Nazumah
Karthus wins against K'Sante 43.69% of the time which is 9.73% lower against K'Sante than the average opponent.
After normalising both champions win rates Karthus wins against K'Sante 5.61% less often than would be expected.
The average opponent winrate against K'Sante is 53.42%.


Ambessa
Matriarch of War
Karthus wins against Ambessa 43.86% of the time which is 7.50% lower against Ambessa than the average opponent.
After normalising both champions win rates Karthus wins against Ambessa 3.37% less often than would be expected.
The average opponent winrate against Ambessa is 51.36%.


Yasuo
the Unforgiven
Karthus wins against Yasuo 44.12% of the time which is 7.34% lower against Yasuo than the average opponent.
After normalising both champions win rates Karthus wins against Yasuo 3.21% less often than would be expected.
The average opponent winrate against Yasuo is 51.46%.


Darius
the Hand of Noxus
Karthus wins against Darius 44.65% of the time which is 6.19% lower against Darius than the average opponent.
After normalising both champions win rates Karthus wins against Darius 2.07% less often than would be expected.
The average opponent winrate against Darius is 50.84%.


Yorick
Shepherd of Souls
Karthus wins against Yorick 44.72% of the time which is 3.54% lower against Yorick than the average opponent.
After normalising both champions win rates Karthus wins against Yorick 0.56% more often than would be expected.
The average opponent winrate against Yorick is 48.26%.


Shen
the Eye of Twilight
Karthus wins against Shen 46.00% of the time which is 3.51% lower against Shen than the average opponent.
After normalising both champions win rates Karthus wins against Shen 0.61% more often than would be expected.
The average opponent winrate against Shen is 49.51%.


Jayce
the Defender of Tomorrow
Karthus wins against Jayce 48.54% of the time which is 3.82% lower against Jayce than the average opponent.
After normalising both champions win rates Karthus wins against Jayce 0.31% more often than would be expected.
The average opponent winrate against Jayce is 52.36%.


Renekton
the Butcher of the Sands
Karthus wins against Renekton 49.59% of the time which is 0.43% lower against Renekton than the average opponent.
After normalising both champions win rates Karthus wins against Renekton 3.69% more often than would be expected.
The average opponent winrate against Renekton is 50.02%.


Teemo
the Swift Scout
Karthus wins against Teemo 53.67% of the time which is 4.89% higher against Teemo than the average opponent.
After normalising both champions win rates Karthus wins against Teemo 9.00% more often than would be expected.
The average opponent winrate against Teemo is 48.78%.


Malphite
Shard of the Monolith
Karthus wins against Malphite 53.80% of the time which is 5.39% higher against Malphite than the average opponent.
After normalising both champions win rates Karthus wins against Malphite 9.50% more often than would be expected.
The average opponent winrate against Malphite is 48.41%.