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: 480,821
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 middle vs jungle Counters
Presently there is insufficent games played by Jayce middle on Patch 14.23 to determine the strongest jungle counters. A matchup requires a minimum of 100 games to be displayed.
Lee Sin
the Blind Monk
Jayce wins against Lee Sin 40.00% of the time which is 5.89% lower against Lee Sin than the average opponent.
After normalising both champions win rates Jayce wins against Lee Sin 10.73% less often than would be expected.
The average opponent winrate against Lee Sinis 45.89%.
Graves
the Outlaw
Jayce wins against Graves 50.00% of the time which is 3.39% higher against Graves than the average opponent.
After normalising both champions win rates Jayce wins against Graves 1.46% less often than would be expected.
The average opponent winrate against Gravesis 46.61%.
Viego
The Ruined King
Jayce wins against Viego 57.78% of the time which is 10.84% higher against Viego than the average opponent.
After normalising both champions win rates Jayce wins against Viego 5.99% more often than would be expected.
The average opponent winrate against Viegois 46.94%.