

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.
Grandmaster Champions Analysed: 422,153
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 jungle Counters
Presently there is insufficent games played by Jayce top on Patch 30 to determine the strongest jungle counters. A matchup requires a minimum of 100 games to be displayed.


Sylas
Wyzwolony z Kajdan
Jayce wins against Sylas 48.53% of the time which is 0.24% higher against Sylas than the average opponent.
After normalising both champions win rates Jayce wins against Sylas 2.70% less often than would be expected.
The average opponent winrate against Sylas is 48.29%.


Lee Sin
Ślepy Mnich
Jayce wins against Lee Sin 48.78% of the time which is 1.24% higher against Lee Sin than the average opponent.
After normalising both champions win rates Jayce wins against Lee Sin 1.70% less often than would be expected.
The average opponent winrate against Lee Sin is 47.54%.


Xin Zhao
Seneszal Demacii
Jayce wins against Xin Zhao 51.40% of the time which is 3.35% higher against Xin Zhao than the average opponent.
After normalising both champions win rates Jayce wins against Xin Zhao 0.41% more often than would be expected.
The average opponent winrate against Xin Zhao is 48.05%.


Viego
Zniszczony Król
Jayce wins against Viego 54.62% of the time which is 5.95% higher against Viego than the average opponent.
After normalising both champions win rates Jayce wins against Viego 3.01% more often than would be expected.
The average opponent winrate against Viego is 48.67%.


Zed
Władca Cieni
Jayce wins against Zed 58.72% of the time which is 8.79% higher against Zed than the average opponent.
After normalising both champions win rates Jayce wins against Zed 5.85% more often than would be expected.
The average opponent winrate against Zed is 49.93%.