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: 1,669,181
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 bottom vs bottom Counters
Presently there is insufficent games played by Karthus bottom on Patch 7 to determine the strongest bottom counters. A matchup requires a minimum of 100 games to be displayed.
Jhin
el Virtuoso
Karthus wins against Jhin 47.84% of the time which is 1.27% lower against Jhin than the average opponent.
After normalising both champions win rates Karthus wins against Jhin 5.12% less often than would be expected.
The average opponent winrate against Jhinis 49.11%.
Jinx
la Bala Perdida
Karthus wins against Jinx 53.33% of the time which is 3.70% higher against Jinx than the average opponent.
After normalising both champions win rates Karthus wins against Jinx 0.15% less often than would be expected.
The average opponent winrate against Jinxis 49.63%.
Ezreal
el Explorador Pródigo
Karthus wins against Ezreal 53.91% of the time which is 2.60% higher against Ezreal than the average opponent.
After normalising both champions win rates Karthus wins against Ezreal 1.24% less often than would be expected.
The average opponent winrate against Ezrealis 51.31%.
Kai'Sa
La Hija del Vacío
Karthus wins against Kai'Sa 55.97% of the time which is 7.10% higher against Kai'Sa than the average opponent.
After normalising both champions win rates Karthus wins against Kai'Sa 3.25% more often than would be expected.
The average opponent winrate against Kai'Sais 48.87%.