

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.
Master+ Champions Analysed: 873,543
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 jungle vs jungle Counters
Presently there is insufficent games played by Karthus jungle on Patch 7 to determine the strongest jungle counters. A matchup requires a minimum of 100 games to be displayed.


Viego
el Rey Arruinado
Karthus wins against Viego 49.53% of the time which is 0.46% higher against Viego than the average opponent.
After normalising both champions win rates Karthus wins against Viego 3.35% less often than would be expected.
The average opponent winrate against Viego is 49.07%.


Sylas
el Desencadenado
Karthus wins against Sylas 55.33% of the time which is 4.83% higher against Sylas than the average opponent.
After normalising both champions win rates Karthus wins against Sylas 1.02% more often than would be expected.
The average opponent winrate against Sylas is 50.50%.


Lee Sin
El Monje Ciego
Karthus wins against Lee Sin 59.63% of the time which is 11.26% higher against Lee Sin than the average opponent.
After normalising both champions win rates Karthus wins against Lee Sin 7.45% more often than would be expected.
The average opponent winrate against Lee Sin is 48.37%.