

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.
1Trick Champions Analysed: 929,921
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 15.4 is the strongest counter to middle champions of Azir, Hwei & Sylas. While Senna support is countered most by middle champions of Katarina, Orianna & Vladimir. 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 50.00% of the time which is 5.88% higher against Katarina than the average opponent.
After normalising both champions win rates Senna wins against Katarina 7.84% less often than would be expected.
The average opponent winrate against Katarina is 44.12%.


Orianna
the Lady of Clockwork
Senna wins against Orianna 51.09% of the time which is 7.98% higher against Orianna than the average opponent.
After normalising both champions win rates Senna wins against Orianna 5.72% less often than would be expected.
The average opponent winrate against Orianna is 43.11%.


Vladimir
the Crimson Reaper
Senna wins against Vladimir 52.17% of the time which is 8.12% higher against Vladimir than the average opponent.
After normalising both champions win rates Senna wins against Vladimir 5.60% less often than would be expected.
The average opponent winrate against Vladimir is 44.05%.


Aurora
the Witch Between Worlds
Senna wins against Aurora 55.72% of the time which is 12.58% higher against Aurora than the average opponent.
After normalising both champions win rates Senna wins against Aurora 1.13% less often than would be expected.
The average opponent winrate against Aurora is 43.14%.


Syndra
the Dark Sovereign
Senna wins against Syndra 55.90% of the time which is 13.04% higher against Syndra than the average opponent.
After normalising both champions win rates Senna wins against Syndra 0.66% less often than would be expected.
The average opponent winrate against Syndra is 42.86%.


Zed
the Master of Shadows
Senna wins against Zed 56.12% of the time which is 10.29% higher against Zed than the average opponent.
After normalising both champions win rates Senna wins against Zed 3.44% less often than would be expected.
The average opponent winrate against Zed is 45.83%.


Akali
the Rogue Assassin
Senna wins against Akali 57.06% of the time which is 12.89% higher against Akali than the average opponent.
After normalising both champions win rates Senna wins against Akali 0.83% less often than would be expected.
The average opponent winrate against Akali is 44.17%.


Mel
the Soul's Reflection
Senna wins against Mel 57.80% of the time which is 9.71% higher against Mel than the average opponent.
After normalising both champions win rates Senna wins against Mel 4.01% less often than would be expected.
The average opponent winrate against Mel is 48.09%.


Yasuo
the Unforgiven
Senna wins against Yasuo 57.97% of the time which is 15.34% higher against Yasuo than the average opponent.
After normalising both champions win rates Senna wins against Yasuo 1.64% more often than would be expected.
The average opponent winrate against Yasuo is 42.63%.


Ahri
the Nine-Tailed Fox
Senna wins against Ahri 58.77% of the time which is 15.56% higher against Ahri than the average opponent.
After normalising both champions win rates Senna wins against Ahri 1.85% more often than would be expected.
The average opponent winrate against Ahri is 43.21%.


Yone
the Unforgotten
Senna wins against Yone 59.79% of the time which is 18.28% higher against Yone than the average opponent.
After normalising both champions win rates Senna wins against Yone 4.61% more often than would be expected.
The average opponent winrate against Yone is 41.51%.


Galio
the Colossus
Senna wins against Galio 59.88% of the time which is 15.86% higher against Galio than the average opponent.
After normalising both champions win rates Senna wins against Galio 2.14% more often than would be expected.
The average opponent winrate against Galio is 44.02%.


Viktor
the Herald of the Arcane
Senna wins against Viktor 61.79% of the time which is 18.72% higher against Viktor than the average opponent.
After normalising both champions win rates Senna wins against Viktor 5.02% more often than would be expected.
The average opponent winrate against Viktor is 43.07%.


LeBlanc
the Deceiver
Senna wins against LeBlanc 61.82% of the time which is 18.12% higher against LeBlanc than the average opponent.
After normalising both champions win rates Senna wins against LeBlanc 4.40% more often than would be expected.
The average opponent winrate against LeBlanc is 43.70%.


Sylas
the Unshackled
Senna wins against Sylas 62.39% of the time which is 18.94% higher against Sylas than the average opponent.
After normalising both champions win rates Senna wins against Sylas 5.23% more often than would be expected.
The average opponent winrate against Sylas is 43.45%.


Hwei
the Visionary
Senna wins against Hwei 62.73% of the time which is 18.05% higher against Hwei than the average opponent.
After normalising both champions win rates Senna wins against Hwei 4.32% more often than would be expected.
The average opponent winrate against Hwei is 44.68%.


Azir
the Emperor of the Sands
Senna wins against Azir 68.57% of the time which is 24.34% higher against Azir than the average opponent.
After normalising both champions win rates Senna wins against Azir 10.62% more often than would be expected.
The average opponent winrate against Azir is 44.23%.