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.
Janna Counters
Janna support vs jungle Counters
Presently there is insufficent games played by Janna support on Patch 30 to determine the strongest jungle counters. A matchup requires a minimum of 100 games to be displayed.
Lee Sin
el Monje Ciego
Janna wins against Lee Sin 48.00% of the time which is 3.86% higher against Lee Sin than the average opponent.
After normalising both champions win rates Janna wins against Lee Sin 6.67% less often than would be expected.
The average opponent winrate against Lee Sinis 44.14%.
Viego
El Rey Arruinado
Janna wins against Viego 48.57% of the time which is 4.95% higher against Viego than the average opponent.
After normalising both champions win rates Janna wins against Viego 5.57% less often than would be expected.
The average opponent winrate against Viegois 43.62%.
Jarvan IV
el Ejemplo de Demacia
Janna wins against Jarvan IV 54.37% of the time which is 10.14% higher against Jarvan IV than the average opponent.
After normalising both champions win rates Janna wins against Jarvan IV 0.39% less often than would be expected.
The average opponent winrate against Jarvan IVis 44.23%.