

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: 44,202,120
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 support vs top Counters
Presently there is insufficent games played by Karthus support on Patch 15.16 to determine the strongest top counters. A matchup requires a minimum of 100 games to be displayed.


Garen
die Macht von Demacia
Karthus wins against Garen 39.32% of the time which is 9.61% lower against Garen than the average opponent.
After normalising both champions win rates Karthus wins against Garen 6.27% less often than would be expected.
The average opponent winrate against Garen is 48.93%.


Darius
die Hand von Noxus
Karthus wins against Darius 44.25% of the time which is 6.75% lower against Darius than the average opponent.
After normalising both champions win rates Karthus wins against Darius 3.40% less often than would be expected.
The average opponent winrate against Darius is 51.00%.


Sett
der Boss
Karthus wins against Sett 48.08% of the time which is 0.42% higher against Sett than the average opponent.
After normalising both champions win rates Karthus wins against Sett 3.75% more often than would be expected.
The average opponent winrate against Sett is 47.66%.


Mordekaiser
der eiserne Albtraum
Karthus wins against Mordekaiser 49.31% of the time which is 1.01% higher against Mordekaiser than the average opponent.
After normalising both champions win rates Karthus wins against Mordekaiser 4.35% more often than would be expected.
The average opponent winrate against Mordekaiser is 48.30%.