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: 70,918,941
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 14.1 is the strongest counter to top champions of Jayce, Gangplank & Fiora. While Karthus top is countered most by top champions of Singed, Nasus & K'Sante. Below is a detailed breakdown of Karthus top counters against top champions with a minimum of 100 games.
Singed
the Mad Chemist
Karthus wins against Singed 38.52% of the time which is 7.82% lower against Singed than the average opponent.
After normalising both champions win rates Karthus wins against Singed 5.58% less often than would be expected.
The average opponent winrate against Singedis 46.34%.
Nasus
the Curator of the Sands
Karthus wins against Nasus 38.74% of the time which is 9.54% lower against Nasus than the average opponent.
After normalising both champions win rates Karthus wins against Nasus 7.28% less often than would be expected.
The average opponent winrate against Nasusis 48.28%.
K'Sante
the Pride of Nazumah
Karthus wins against K'Sante 39.88% of the time which is 11.98% lower against K'Sante than the average opponent.
After normalising both champions win rates Karthus wins against K'Sante 9.71% less often than would be expected.
The average opponent winrate against K'Santeis 51.86%.
Trundle
the Troll King
Karthus wins against Trundle 41.60% of the time which is 5.19% lower against Trundle than the average opponent.
After normalising both champions win rates Karthus wins against Trundle 2.95% less often than would be expected.
The average opponent winrate against Trundleis 46.79%.
Garen
The Might of Demacia
Karthus wins against Garen 42.75% of the time which is 8.25% lower against Garen than the average opponent.
After normalising both champions win rates Karthus wins against Garen 5.98% less often than would be expected.
The average opponent winrate against Garenis 51.00%.
Irelia
the Blade Dancer
Karthus wins against Irelia 42.77% of the time which is 6.94% lower against Irelia than the average opponent.
After normalising both champions win rates Karthus wins against Irelia 4.67% less often than would be expected.
The average opponent winrate against Ireliais 49.71%.
Riven
the Exile
Karthus wins against Riven 42.78% of the time which is 5.96% lower against Riven than the average opponent.
After normalising both champions win rates Karthus wins against Riven 3.70% less often than would be expected.
The average opponent winrate against Rivenis 48.74%.
Kayle
the Righteous
Karthus wins against Kayle 43.28% of the time which is 3.46% lower against Kayle than the average opponent.
After normalising both champions win rates Karthus wins against Kayle 1.22% less often than would be expected.
The average opponent winrate against Kayleis 46.74%.
Gwen
The Hallowed Seamstress
Karthus wins against Gwen 44.80% of the time which is 4.68% lower against Gwen than the average opponent.
After normalising both champions win rates Karthus wins against Gwen 2.41% less often than would be expected.
The average opponent winrate against Gwenis 49.48%.
Malphite
Shard of the Monolith
Karthus wins against Malphite 44.81% of the time which is 2.75% lower against Malphite than the average opponent.
After normalising both champions win rates Karthus wins against Malphite 0.50% less often than would be expected.
The average opponent winrate against Malphiteis 47.56%.
Akali
the Rogue Assassin
Karthus wins against Akali 45.31% of the time which is 5.30% lower against Akali than the average opponent.
After normalising both champions win rates Karthus wins against Akali 3.03% less often than would be expected.
The average opponent winrate against Akaliis 50.61%.
Shen
the Eye of Twilight
Karthus wins against Shen 45.61% of the time which is 3.99% lower against Shen than the average opponent.
After normalising both champions win rates Karthus wins against Shen 1.72% less often than would be expected.
The average opponent winrate against Shenis 49.60%.
Jax
Grandmaster at Arms
Karthus wins against Jax 45.81% of the time which is 2.91% lower against Jax than the average opponent.
After normalising both champions win rates Karthus wins against Jax 0.65% less often than would be expected.
The average opponent winrate against Jaxis 48.72%.
Mordekaiser
the Iron Revenant
Karthus wins against Mordekaiser 46.08% of the time which is 0.16% lower against Mordekaiser than the average opponent.
After normalising both champions win rates Karthus wins against Mordekaiser 2.08% more often than would be expected.
The average opponent winrate against Mordekaiseris 46.24%.
Aatrox
the Darkin Blade
Karthus wins against Aatrox 46.67% of the time which is 1.45% lower against Aatrox than the average opponent.
After normalising both champions win rates Karthus wins against Aatrox 0.81% more often than would be expected.
The average opponent winrate against Aatroxis 48.12%.
Sett
the Boss
Karthus wins against Sett 47.50% of the time which is 1.88% lower against Sett than the average opponent.
After normalising both champions win rates Karthus wins against Sett 0.39% more often than would be expected.
The average opponent winrate against Settis 49.38%.
Ornn
The Fire below the Mountain
Karthus wins against Ornn 48.39% of the time which is 0.02% lower against Ornn than the average opponent.
After normalising both champions win rates Karthus wins against Ornn 2.24% more often than would be expected.
The average opponent winrate against Ornnis 48.41%.
Renekton
the Butcher of the Sands
Karthus wins against Renekton 48.44% of the time which is 4.42% lower against Renekton than the average opponent.
After normalising both champions win rates Karthus wins against Renekton 2.15% less often than would be expected.
The average opponent winrate against Renektonis 52.86%.
Yone
the Unforgotten
Karthus wins against Yone 48.55% of the time which is 2.90% lower against Yone than the average opponent.
After normalising both champions win rates Karthus wins against Yone 0.63% less often than would be expected.
The average opponent winrate against Yoneis 51.45%.
Sion
The Undead Juggernaut
Karthus wins against Sion 49.61% of the time which is 0.24% lower against Sion than the average opponent.
After normalising both champions win rates Karthus wins against Sion 2.03% more often than would be expected.
The average opponent winrate against Sionis 49.85%.
Teemo
the Swift Scout
Karthus wins against Teemo 49.77% of the time which is 2.79% higher against Teemo than the average opponent.
After normalising both champions win rates Karthus wins against Teemo 5.04% more often than would be expected.
The average opponent winrate against Teemois 46.98%.
Rumble
the Mechanized Menace
Karthus wins against Rumble 51.06% of the time which is 1.02% higher against Rumble than the average opponent.
After normalising both champions win rates Karthus wins against Rumble 3.29% more often than would be expected.
The average opponent winrate against Rumbleis 50.04%.
Darius
the Hand of Noxus
Karthus wins against Darius 53.37% of the time which is 3.02% higher against Darius than the average opponent.
After normalising both champions win rates Karthus wins against Darius 5.29% more often than would be expected.
The average opponent winrate against Dariusis 50.35%.
Fiora
the Grand Duelist
Karthus wins against Fiora 54.19% of the time which is 6.04% higher against Fiora than the average opponent.
After normalising both champions win rates Karthus wins against Fiora 8.30% more often than would be expected.
The average opponent winrate against Fiorais 48.15%.
Gangplank
the Saltwater Scourge
Karthus wins against Gangplank 54.55% of the time which is 4.13% higher against Gangplank than the average opponent.
After normalising both champions win rates Karthus wins against Gangplank 6.40% more often than would be expected.
The average opponent winrate against Gangplankis 50.42%.
Jayce
the Defender of Tomorrow
Karthus wins against Jayce 54.96% of the time which is 3.30% higher against Jayce than the average opponent.
After normalising both champions win rates Karthus wins against Jayce 5.57% more often than would be expected.
The average opponent winrate against Jayceis 51.66%.