

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: 575,028
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 top Counters
Presently there is insufficent games played by Senna support on Patch 30 to determine the strongest top counters. A matchup requires a minimum of 100 games to be displayed.


Jayce
the Defender of Tomorrow
Senna wins against Jayce 47.16% of the time which is 0.15% higher against Jayce than the average opponent.
After normalising both champions win rates Senna wins against Jayce 6.33% less often than would be expected.
The average opponent winrate against Jayce is 47.01%.


Ambessa
Matriarch of War
Senna wins against Ambessa 51.15% of the time which is 4.09% higher against Ambessa than the average opponent.
After normalising both champions win rates Senna wins against Ambessa 2.39% less often than would be expected.
The average opponent winrate against Ambessa is 47.06%.


Aatrox
the Darkin Blade
Senna wins against Aatrox 54.03% of the time which is 8.94% higher against Aatrox than the average opponent.
After normalising both champions win rates Senna wins against Aatrox 2.47% more often than would be expected.
The average opponent winrate against Aatrox is 45.09%.


Riven
the Exile
Senna wins against Riven 59.62% of the time which is 15.37% higher against Riven than the average opponent.
After normalising both champions win rates Senna wins against Riven 8.91% more often than would be expected.
The average opponent winrate against Riven is 44.25%.