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.
Diamond+ Champions Analysed: 10,871,447
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 middle vs middle Counters
Presently there is insufficent games played by Karthus middle on Patch 14.5 to determine the strongest middle counters. A matchup requires a minimum of 100 games to be displayed.
Hwei
Il visionario
Karthus wins against Hwei 44.19% of the time which is 5.49% lower against Hwei than the average opponent.
After normalising both champions win rates Karthus wins against Hwei 10.96% less often than would be expected.
The average opponent winrate against Hweiis 49.68%.
Karma
l'illuminata
Karthus wins against Karma 45.95% of the time which is 0.20% higher against Karma than the average opponent.
After normalising both champions win rates Karthus wins against Karma 5.26% less often than would be expected.
The average opponent winrate against Karmais 45.75%.
Ahri
la volpe a nove code
Karthus wins against Ahri 50.00% of the time which is 4.49% higher against Ahri than the average opponent.
After normalising both champions win rates Karthus wins against Ahri 0.97% less often than would be expected.
The average opponent winrate against Ahriis 45.51%.