

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: 1,091,713
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 middle Counters
Senna support on Patch 15.11 is the strongest counter to middle champions of Galio, Sylas & Zed. While Senna support is countered most by middle champions of Katarina, Viktor & Syndra. Below is a detailed breakdown of Senna support counters against middle champions with a minimum of 100 games.


Katarina
the Sinister Blade
Senna wins against Katarina 44.34% of the time which is 0.06% lower against Katarina than the average opponent.
After normalising both champions win rates Senna wins against Katarina 3.24% less often than would be expected.
The average opponent winrate against Katarina is 44.40%.


Viktor
the Herald of the Arcane
Senna wins against Viktor 44.44% of the time which is 5.42% lower against Viktor than the average opponent.
After normalising both champions win rates Senna wins against Viktor 8.61% less often than would be expected.
The average opponent winrate against Viktor is 49.86%.


Syndra
the Dark Sovereign
Senna wins against Syndra 45.54% of the time which is 0.97% lower against Syndra than the average opponent.
After normalising both champions win rates Senna wins against Syndra 4.16% less often than would be expected.
The average opponent winrate against Syndra is 46.51%.


Taliyah
the Stoneweaver
Senna wins against Taliyah 48.15% of the time which is 2.98% higher against Taliyah than the average opponent.
After normalising both champions win rates Senna wins against Taliyah 0.20% less often than would be expected.
The average opponent winrate against Taliyah is 45.17%.


Yasuo
the Unforgiven
Senna wins against Yasuo 49.31% of the time which is 2.33% higher against Yasuo than the average opponent.
After normalising both champions win rates Senna wins against Yasuo 0.86% less often than would be expected.
The average opponent winrate against Yasuo is 46.98%.


Mel
the Soul's Reflection
Senna wins against Mel 50.00% of the time which is 1.10% lower against Mel than the average opponent.
After normalising both champions win rates Senna wins against Mel 4.29% less often than would be expected.
The average opponent winrate against Mel is 51.10%.


Akali
the Rogue Assassin
Senna wins against Akali 52.14% of the time which is 4.66% higher against Akali than the average opponent.
After normalising both champions win rates Senna wins against Akali 1.47% more often than would be expected.
The average opponent winrate against Akali is 47.48%.


Ahri
the Nine-Tailed Fox
Senna wins against Ahri 52.63% of the time which is 4.80% higher against Ahri than the average opponent.
After normalising both champions win rates Senna wins against Ahri 1.61% more often than would be expected.
The average opponent winrate against Ahri is 47.83%.


Orianna
the Lady of Clockwork
Senna wins against Orianna 52.78% of the time which is 4.22% higher against Orianna than the average opponent.
After normalising both champions win rates Senna wins against Orianna 1.03% more often than would be expected.
The average opponent winrate against Orianna is 48.56%.


Zed
the Master of Shadows
Senna wins against Zed 55.15% of the time which is 8.00% higher against Zed than the average opponent.
After normalising both champions win rates Senna wins against Zed 4.81% more often than would be expected.
The average opponent winrate against Zed is 47.15%.


Sylas
the Unshackled
Senna wins against Sylas 59.04% of the time which is 11.36% higher against Sylas than the average opponent.
After normalising both champions win rates Senna wins against Sylas 8.17% more often than would be expected.
The average opponent winrate against Sylas is 47.68%.


Galio
the Colossus
Senna wins against Galio 59.09% of the time which is 13.06% higher against Galio than the average opponent.
After normalising both champions win rates Senna wins against Galio 9.87% more often than would be expected.
The average opponent winrate against Galio is 46.03%.