

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: 1,023,771
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.


Senna Counters
Senna support vs jungle Counters
Presently there is insufficent games played by Senna support on Patch 15.16 to determine the strongest jungle counters. A matchup requires a minimum of 100 games to be displayed.


Sylas
a kiszabadult rab
Senna wins against Sylas 49.74% of the time which is 0.69% lower against Sylas than the average opponent.
After normalising both champions win rates Senna wins against Sylas 3.85% less often than would be expected.
The average opponent winrate against Sylas is 50.43%.


Viego
A letaszított király
Senna wins against Viego 50.66% of the time which is 2.26% higher against Viego than the average opponent.
After normalising both champions win rates Senna wins against Viego 0.90% less often than would be expected.
The average opponent winrate against Viego is 48.40%.


Lee Sin
a világtalan szerzetes
Senna wins against Lee Sin 52.94% of the time which is 4.78% higher against Lee Sin than the average opponent.
After normalising both champions win rates Senna wins against Lee Sin 1.62% more often than would be expected.
The average opponent winrate against Lee Sin is 48.16%.


IV. Jarvan
Demacia eszménye
Senna wins against IV. Jarvan 53.40% of the time which is 6.53% higher against IV. Jarvan than the average opponent.
After normalising both champions win rates Senna wins against IV. Jarvan 3.37% more often than would be expected.
The average opponent winrate against IV. Jarvan is 46.87%.