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.
Gold+ Champions Analysed: 118,250,318
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 30 is the strongest counter to top champions of Jax, Warwick & Shen. While Karthus top is countered most by top champions of Tahm Kench, Cho'Gath & Sion. Below is a detailed breakdown of Karthus top counters against top champions with a minimum of 100 games.
Tahm Kench
The River King
Karthus wins against Tahm Kench 33.93% of the time which is 14.35% lower against Tahm Kench than the average opponent.
After normalising both champions win rates Karthus wins against Tahm Kench 11.98% less often than would be expected.
The average opponent winrate against Tahm Kench is 48.28%.
Cho'Gath
the Terror of the Void
Karthus wins against Cho'Gath 38.89% of the time which is 8.46% lower against Cho'Gath than the average opponent.
After normalising both champions win rates Karthus wins against Cho'Gath 6.10% less often than would be expected.
The average opponent winrate against Cho'Gath is 47.35%.
Sion
The Undead Juggernaut
Karthus wins against Sion 39.24% of the time which is 10.90% lower against Sion than the average opponent.
After normalising both champions win rates Karthus wins against Sion 8.52% less often than would be expected.
The average opponent winrate against Sion is 50.14%.
Garen
The Might of Demacia
Karthus wins against Garen 40.67% of the time which is 7.76% lower against Garen than the average opponent.
After normalising both champions win rates Karthus wins against Garen 5.39% less often than would be expected.
The average opponent winrate against Garen is 48.43%.
Aatrox
the Darkin Blade
Karthus wins against Aatrox 40.74% of the time which is 8.46% lower against Aatrox than the average opponent.
After normalising both champions win rates Karthus wins against Aatrox 6.08% less often than would be expected.
The average opponent winrate against Aatrox is 49.20%.
Riven
the Exile
Karthus wins against Riven 41.38% of the time which is 7.37% lower against Riven than the average opponent.
After normalising both champions win rates Karthus wins against Riven 5.00% less often than would be expected.
The average opponent winrate against Riven is 48.75%.
Irelia
the Blade Dancer
Karthus wins against Irelia 41.52% of the time which is 6.87% lower against Irelia than the average opponent.
After normalising both champions win rates Karthus wins against Irelia 4.50% less often than would be expected.
The average opponent winrate against Irelia is 48.39%.
Fiora
the Grand Duelist
Karthus wins against Fiora 43.56% of the time which is 6.41% lower against Fiora than the average opponent.
After normalising both champions win rates Karthus wins against Fiora 4.03% less often than would be expected.
The average opponent winrate against Fiora is 49.97%.
Ornn
The Fire below the Mountain
Karthus wins against Ornn 44.27% of the time which is 4.10% lower against Ornn than the average opponent.
After normalising both champions win rates Karthus wins against Ornn 1.73% less often than would be expected.
The average opponent winrate against Ornn is 48.37%.
Yone
the Unforgotten
Karthus wins against Yone 44.63% of the time which is 6.70% lower against Yone than the average opponent.
After normalising both champions win rates Karthus wins against Yone 4.32% less often than would be expected.
The average opponent winrate against Yone is 51.33%.
Malphite
Shard of the Monolith
Karthus wins against Malphite 44.90% of the time which is 3.35% lower against Malphite than the average opponent.
After normalising both champions win rates Karthus wins against Malphite 0.98% less often than would be expected.
The average opponent winrate against Malphite is 48.25%.
Camille
the Steel Shadow
Karthus wins against Camille 45.10% of the time which is 4.08% lower against Camille than the average opponent.
After normalising both champions win rates Karthus wins against Camille 1.70% less often than would be expected.
The average opponent winrate against Camille is 49.18%.
Urgot
the Dreadnought
Karthus wins against Urgot 45.21% of the time which is 1.70% lower against Urgot than the average opponent.
After normalising both champions win rates Karthus wins against Urgot 0.66% more often than would be expected.
The average opponent winrate against Urgot is 46.91%.
Sett
the Boss
Karthus wins against Sett 45.63% of the time which is 2.43% lower against Sett than the average opponent.
After normalising both champions win rates Karthus wins against Sett 0.06% less often than would be expected.
The average opponent winrate against Sett is 48.06%.
Darius
the Hand of Noxus
Karthus wins against Darius 45.80% of the time which is 3.09% lower against Darius than the average opponent.
After normalising both champions win rates Karthus wins against Darius 0.72% less often than would be expected.
The average opponent winrate against Darius is 48.89%.
Jayce
the Defender of Tomorrow
Karthus wins against Jayce 47.39% of the time which is 4.19% lower against Jayce than the average opponent.
After normalising both champions win rates Karthus wins against Jayce 1.81% less often than would be expected.
The average opponent winrate against Jayce is 51.58%.
Renekton
the Butcher of the Sands
Karthus wins against Renekton 47.59% of the time which is 2.23% lower against Renekton than the average opponent.
After normalising both champions win rates Karthus wins against Renekton 0.15% more often than would be expected.
The average opponent winrate against Renekton is 49.82%.
Volibear
the Relentless Storm
Karthus wins against Volibear 48.00% of the time which is 0.67% lower against Volibear than the average opponent.
After normalising both champions win rates Karthus wins against Volibear 1.70% more often than would be expected.
The average opponent winrate against Volibear is 48.67%.
Dr. Mundo
the Madman of Zaun
Karthus wins against Dr. Mundo 48.41% of the time which is 0.20% lower against Dr. Mundo than the average opponent.
After normalising both champions win rates Karthus wins against Dr. Mundo 2.17% more often than would be expected.
The average opponent winrate against Dr. Mundo is 48.61%.
Teemo
the Swift Scout
Karthus wins against Teemo 48.85% of the time which is 1.71% higher against Teemo than the average opponent.
After normalising both champions win rates Karthus wins against Teemo 4.07% more often than would be expected.
The average opponent winrate against Teemo is 47.14%.
Yorick
Shepherd of Souls
Karthus wins against Yorick 48.89% of the time which is 1.17% higher against Yorick than the average opponent.
After normalising both champions win rates Karthus wins against Yorick 3.53% more often than would be expected.
The average opponent winrate against Yorick is 47.72%.
Maokai
the Twisted Treant
Karthus wins against Maokai 49.11% of the time which is 0.50% higher against Maokai than the average opponent.
After normalising both champions win rates Karthus wins against Maokai 2.87% more often than would be expected.
The average opponent winrate against Maokai is 48.61%.
Gangplank
the Saltwater Scourge
Karthus wins against Gangplank 50.00% of the time which is 1.04% lower against Gangplank than the average opponent.
After normalising both champions win rates Karthus wins against Gangplank 1.34% more often than would be expected.
The average opponent winrate against Gangplank is 51.04%.
Trundle
the Troll King
Karthus wins against Trundle 50.48% of the time which is 1.59% higher against Trundle than the average opponent.
After normalising both champions win rates Karthus wins against Trundle 3.96% more often than would be expected.
The average opponent winrate against Trundle is 48.89%.
K'Sante
the Pride of Nazumah
Karthus wins against K'Sante 50.53% of the time which is 1.54% lower against K'Sante than the average opponent.
After normalising both champions win rates Karthus wins against K'Sante 0.84% more often than would be expected.
The average opponent winrate against K'Sante is 52.07%.
Gnar
the Missing Link
Karthus wins against Gnar 50.78% of the time which is 1.54% higher against Gnar than the average opponent.
After normalising both champions win rates Karthus wins against Gnar 3.92% more often than would be expected.
The average opponent winrate against Gnar is 49.24%.
Mordekaiser
the Iron Revenant
Karthus wins against Mordekaiser 51.22% of the time which is 4.21% higher against Mordekaiser than the average opponent.
After normalising both champions win rates Karthus wins against Mordekaiser 6.57% more often than would be expected.
The average opponent winrate against Mordekaiser is 47.01%.
Gragas
the Rabble Rouser
Karthus wins against Gragas 51.37% of the time which is 1.67% higher against Gragas than the average opponent.
After normalising both champions win rates Karthus wins against Gragas 4.05% more often than would be expected.
The average opponent winrate against Gragas is 49.70%.
Ambessa
Matriarch of War
Karthus wins against Ambessa 51.40% of the time which is 0.52% higher against Ambessa than the average opponent.
After normalising both champions win rates Karthus wins against Ambessa 2.90% more often than would be expected.
The average opponent winrate against Ambessa is 50.88%.
Shen
the Eye of Twilight
Karthus wins against Shen 51.41% of the time which is 2.32% higher against Shen than the average opponent.
After normalising both champions win rates Karthus wins against Shen 4.70% more often than would be expected.
The average opponent winrate against Shen is 49.09%.
Warwick
the Uncaged Wrath of Zaun
Karthus wins against Warwick 53.54% of the time which is 7.21% higher against Warwick than the average opponent.
After normalising both champions win rates Karthus wins against Warwick 9.56% more often than would be expected.
The average opponent winrate against Warwick is 46.33%.
Jax
Grandmaster at Arms
Karthus wins against Jax 57.34% of the time which is 6.06% higher against Jax than the average opponent.
After normalising both champions win rates Karthus wins against Jax 8.44% more often than would be expected.
The average opponent winrate against Jax is 51.28%.