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: 344,624
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.
Viego
O Rei Destruído
Jayce wins against Viego 53.20% of the time which is 9.58% higher against Viego than the average opponent.
After normalising both champions win rates Jayce wins against Viego 0.87% less often than would be expected.
The average opponent winrate against Viegois 43.62%.
Lee Sin
o Monge Cego
Jayce wins against Lee Sin 53.90% of the time which is 9.76% higher against Lee Sin than the average opponent.
After normalising both champions win rates Jayce wins against Lee Sin 0.70% less often than would be expected.
The average opponent winrate against Lee Sinis 44.14%.
Graves
o Foragido
Jayce wins against Graves 57.14% of the time which is 13.94% higher against Graves than the average opponent.
After normalising both champions win rates Jayce wins against Graves 3.50% more often than would be expected.
The average opponent winrate against Gravesis 43.20%.