

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: 847,322
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.


Jayce Counters
Jayce top vs top Counters
Jayce top on Patch 7 is the strongest counter to top champions of Gangplank, Renekton & Gragas. While Jayce top is countered most by top champions of Gwen, Dr. Mundo & Sion. Below is a detailed breakdown of Jayce top counters against top champions with a minimum of 100 games.


Gwen
The Hallowed Seamstress
Jayce wins against Gwen 43.40% of the time which is 4.84% lower against Gwen than the average opponent.
After normalising both champions win rates Jayce wins against Gwen 7.04% less often than would be expected.
The average opponent winrate against Gwen is 48.24%.


Dr. Mundo
the Madman of Zaun
Jayce wins against Dr. Mundo 43.56% of the time which is 4.34% lower against Dr. Mundo than the average opponent.
After normalising both champions win rates Jayce wins against Dr. Mundo 6.54% less often than would be expected.
The average opponent winrate against Dr. Mundo is 47.90%.


Sion
The Undead Juggernaut
Jayce wins against Sion 44.33% of the time which is 3.69% lower against Sion than the average opponent.
After normalising both champions win rates Jayce wins against Sion 5.89% less often than would be expected.
The average opponent winrate against Sion is 48.02%.


Rumble
the Mechanized Menace
Jayce wins against Rumble 46.21% of the time which is 0.88% higher against Rumble than the average opponent.
After normalising both champions win rates Jayce wins against Rumble 1.32% less often than would be expected.
The average opponent winrate against Rumble is 45.33%.


Fiora
the Grand Duelist
Jayce wins against Fiora 47.16% of the time which is 1.36% higher against Fiora than the average opponent.
After normalising both champions win rates Jayce wins against Fiora 0.84% less often than would be expected.
The average opponent winrate against Fiora is 45.80%.


Jax
Grandmaster at Arms
Jayce wins against Jax 47.56% of the time which is 0.27% higher against Jax than the average opponent.
After normalising both champions win rates Jayce wins against Jax 1.93% less often than would be expected.
The average opponent winrate against Jax is 47.29%.


Malphite
Shard of the Monolith
Jayce wins against Malphite 50.00% of the time which is 1.89% higher against Malphite than the average opponent.
After normalising both champions win rates Jayce wins against Malphite 0.31% less often than would be expected.
The average opponent winrate against Malphite is 48.11%.


Darius
the Hand of Noxus
Jayce wins against Darius 50.39% of the time which is 3.66% higher against Darius than the average opponent.
After normalising both champions win rates Jayce wins against Darius 1.46% more often than would be expected.
The average opponent winrate against Darius is 46.73%.


Ambessa
Matriarch of War
Jayce wins against Ambessa 50.65% of the time which is 2.22% higher against Ambessa than the average opponent.
After normalising both champions win rates Jayce wins against Ambessa 0.02% more often than would be expected.
The average opponent winrate against Ambessa is 48.43%.


Aatrox
the Darkin Blade
Jayce wins against Aatrox 51.34% of the time which is 2.72% higher against Aatrox than the average opponent.
After normalising both champions win rates Jayce wins against Aatrox 0.52% more often than would be expected.
The average opponent winrate against Aatrox is 48.62%.


K'Sante
the Pride of Nazumah
Jayce wins against K'Sante 52.05% of the time which is 2.25% higher against K'Sante than the average opponent.
After normalising both champions win rates Jayce wins against K'Sante 0.05% more often than would be expected.
The average opponent winrate against K'Sante is 49.80%.


Irelia
the Blade Dancer
Jayce wins against Irelia 52.31% of the time which is 4.41% higher against Irelia than the average opponent.
After normalising both champions win rates Jayce wins against Irelia 2.21% more often than would be expected.
The average opponent winrate against Irelia is 47.90%.


Gragas
the Rabble Rouser
Jayce wins against Gragas 53.40% of the time which is 6.80% higher against Gragas than the average opponent.
After normalising both champions win rates Jayce wins against Gragas 4.60% more often than would be expected.
The average opponent winrate against Gragas is 46.60%.


Renekton
the Butcher of the Sands
Jayce wins against Renekton 56.00% of the time which is 7.11% higher against Renekton than the average opponent.
After normalising both champions win rates Jayce wins against Renekton 4.91% more often than would be expected.
The average opponent winrate against Renekton is 48.89%.


Gangplank
the Saltwater Scourge
Jayce wins against Gangplank 57.14% of the time which is 10.03% higher against Gangplank than the average opponent.
After normalising both champions win rates Jayce wins against Gangplank 7.83% more often than would be expected.
The average opponent winrate against Gangplank is 47.11%.