

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.
Platinum+ Champions Analysed: 64,075,440
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 Teemo, Sett & Sion. While Karthus top is countered most by top champions of Garen, Jayce & Gangplank. 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 40.56% of the time which is 7.31% lower against Garen than the average opponent.
After normalising both champions win rates Karthus wins against Garen 5.72% less often than would be expected.
The average opponent winrate against Garen is 47.87%.


Jayce
the Defender of Tomorrow
Karthus wins against Jayce 44.44% of the time which is 5.88% lower against Jayce than the average opponent.
After normalising both champions win rates Karthus wins against Jayce 4.28% less often than would be expected.
The average opponent winrate against Jayce is 50.32%.


Gangplank
the Saltwater Scourge
Karthus wins against Gangplank 44.80% of the time which is 4.70% lower against Gangplank than the average opponent.
After normalising both champions win rates Karthus wins against Gangplank 3.10% less often than would be expected.
The average opponent winrate against Gangplank is 49.50%.


Aatrox
the Darkin Blade
Karthus wins against Aatrox 45.04% of the time which is 3.70% lower against Aatrox than the average opponent.
After normalising both champions win rates Karthus wins against Aatrox 2.11% less often than would be expected.
The average opponent winrate against Aatrox is 48.74%.


Darius
the Hand of Noxus
Karthus wins against Darius 45.97% of the time which is 1.93% lower against Darius than the average opponent.
After normalising both champions win rates Karthus wins against Darius 0.34% less often than would be expected.
The average opponent winrate against Darius is 47.90%.


Yone
the Unforgotten
Karthus wins against Yone 47.41% of the time which is 3.08% lower against Yone than the average opponent.
After normalising both champions win rates Karthus wins against Yone 1.48% less often than would be expected.
The average opponent winrate against Yone is 50.49%.


Sion
The Undead Juggernaut
Karthus wins against Sion 50.00% of the time which is 1.34% higher against Sion than the average opponent.
After normalising both champions win rates Karthus wins against Sion 2.93% more often than would be expected.
The average opponent winrate against Sion is 48.66%.


Sett
the Boss
Karthus wins against Sett 50.75% of the time which is 3.73% higher against Sett than the average opponent.
After normalising both champions win rates Karthus wins against Sett 5.31% more often than would be expected.
The average opponent winrate against Sett is 47.02%.


Teemo
the Swift Scout
Karthus wins against Teemo 56.00% of the time which is 9.50% higher against Teemo than the average opponent.
After normalising both champions win rates Karthus wins against Teemo 11.07% more often than would be expected.
The average opponent winrate against Teemo is 46.50%.