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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.
Emerald+ Champions Analysed: 5,834,045
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 bottom vs middle Counters
Senna bottom on Patch 7 is the strongest counter to middle champions of Smolder, Yasuo & Akshan. While Senna bottom is countered most by middle champions of Swain, Anivia & Aurelion Sol. Below is a detailed breakdown of Senna bottom counters against middle champions with a minimum of 100 games.
Swain
the Noxian Grand General
Senna wins against Swain 41.18% of the time which is 6.46% lower against Swain than the average opponent.
After normalising both champions win rates Senna wins against Swain 6.12% less often than would be expected.
The average opponent winrate against Swain is 47.64%.
Anivia
the Cryophoenix
Senna wins against Anivia 42.16% of the time which is 6.08% lower against Anivia than the average opponent.
After normalising both champions win rates Senna wins against Anivia 5.74% less often than would be expected.
The average opponent winrate against Anivia is 48.24%.
Aurelion Sol
The Star Forger
Senna wins against Aurelion Sol 43.89% of the time which is 5.52% lower against Aurelion Sol than the average opponent.
After normalising both champions win rates Senna wins against Aurelion Sol 5.18% less often than would be expected.
The average opponent winrate against Aurelion Sol is 49.41%.
Fizz
the Tidal Trickster
Senna wins against Fizz 44.37% of the time which is 4.91% lower against Fizz than the average opponent.
After normalising both champions win rates Senna wins against Fizz 4.57% less often than would be expected.
The average opponent winrate against Fizz is 49.28%.
Qiyana
Empress of the Elements
Senna wins against Qiyana 45.35% of the time which is 4.42% lower against Qiyana than the average opponent.
After normalising both champions win rates Senna wins against Qiyana 4.08% less often than would be expected.
The average opponent winrate against Qiyana is 49.77%.
LeBlanc
the Deceiver
Senna wins against LeBlanc 46.33% of the time which is 3.71% lower against LeBlanc than the average opponent.
After normalising both champions win rates Senna wins against LeBlanc 3.37% less often than would be expected.
The average opponent winrate against LeBlanc is 50.04%.
Irelia
the Blade Dancer
Senna wins against Irelia 46.35% of the time which is 4.05% lower against Irelia than the average opponent.
After normalising both champions win rates Senna wins against Irelia 3.71% less often than would be expected.
The average opponent winrate against Irelia is 50.40%.
Zoe
the Aspect of Twilight
Senna wins against Zoe 46.95% of the time which is 1.51% lower against Zoe than the average opponent.
After normalising both champions win rates Senna wins against Zoe 1.17% less often than would be expected.
The average opponent winrate against Zoe is 48.46%.
Twisted Fate
the Card Master
Senna wins against Twisted Fate 47.21% of the time which is 2.34% lower against Twisted Fate than the average opponent.
After normalising both champions win rates Senna wins against Twisted Fate 2.00% less often than would be expected.
The average opponent winrate against Twisted Fate is 49.55%.
Katarina
the Sinister Blade
Senna wins against Katarina 47.38% of the time which is 2.25% lower against Katarina than the average opponent.
After normalising both champions win rates Senna wins against Katarina 1.91% less often than would be expected.
The average opponent winrate against Katarina is 49.63%.
Xerath
the Magus Ascendant
Senna wins against Xerath 47.43% of the time which is 0.64% lower against Xerath than the average opponent.
After normalising both champions win rates Senna wins against Xerath 0.30% less often than would be expected.
The average opponent winrate against Xerath is 48.07%.
Annie
the Dark Child
Senna wins against Annie 47.70% of the time which is 1.28% lower against Annie than the average opponent.
After normalising both champions win rates Senna wins against Annie 0.94% less often than would be expected.
The average opponent winrate against Annie is 48.98%.
Veigar
the Tiny Master of Evil
Senna wins against Veigar 47.97% of the time which is 1.78% lower against Veigar than the average opponent.
After normalising both champions win rates Senna wins against Veigar 1.44% less often than would be expected.
The average opponent winrate against Veigar is 49.75%.
Galio
the Colossus
Senna wins against Galio 47.98% of the time which is 0.84% lower against Galio than the average opponent.
After normalising both champions win rates Senna wins against Galio 0.50% less often than would be expected.
The average opponent winrate against Galio is 48.82%.
Ryze
the Rune Mage
Senna wins against Ryze 48.08% of the time which is 2.54% lower against Ryze than the average opponent.
After normalising both champions win rates Senna wins against Ryze 2.20% less often than would be expected.
The average opponent winrate against Ryze is 50.62%.
Akali
the Rogue Assassin
Senna wins against Akali 48.09% of the time which is 1.90% lower against Akali than the average opponent.
After normalising both champions win rates Senna wins against Akali 1.56% less often than would be expected.
The average opponent winrate against Akali is 49.99%.
Ekko
the Boy Who Shattered Time
Senna wins against Ekko 48.25% of the time which is 0.22% lower against Ekko than the average opponent.
After normalising both champions win rates Senna wins against Ekko 0.12% more often than would be expected.
The average opponent winrate against Ekko is 48.47%.
Vex
the Gloomist
Senna wins against Vex 48.30% of the time which is 0.64% higher against Vex than the average opponent.
After normalising both champions win rates Senna wins against Vex 0.98% more often than would be expected.
The average opponent winrate against Vex is 47.66%.
Cassiopeia
the Serpent's Embrace
Senna wins against Cassiopeia 48.31% of the time which is 0.57% lower against Cassiopeia than the average opponent.
After normalising both champions win rates Senna wins against Cassiopeia 0.23% less often than would be expected.
The average opponent winrate against Cassiopeia is 48.88%.
Ziggs
the Hexplosives Expert
Senna wins against Ziggs 49.02% of the time which is 1.16% lower against Ziggs than the average opponent.
After normalising both champions win rates Senna wins against Ziggs 0.82% less often than would be expected.
The average opponent winrate against Ziggs is 50.18%.
Ahri
the Nine-Tailed Fox
Senna wins against Ahri 49.54% of the time which is 1.04% lower against Ahri than the average opponent.
After normalising both champions win rates Senna wins against Ahri 0.70% less often than would be expected.
The average opponent winrate against Ahri is 50.58%.
Azir
the Emperor of the Sands
Senna wins against Azir 49.62% of the time which is 2.25% lower against Azir than the average opponent.
After normalising both champions win rates Senna wins against Azir 1.91% less often than would be expected.
The average opponent winrate against Azir is 51.87%.
Hwei
the Visionary
Senna wins against Hwei 49.88% of the time which is 0.20% higher against Hwei than the average opponent.
After normalising both champions win rates Senna wins against Hwei 0.54% more often than would be expected.
The average opponent winrate against Hwei is 49.68%.
Kassadin
the Void Walker
Senna wins against Kassadin 50.00% of the time which is 0.00% lower against Kassadin than the average opponent.
After normalising both champions win rates Senna wins against Kassadin 0.34% more often than would be expected.
The average opponent winrate against Kassadin is 50.00%.
Zed
the Master of Shadows
Senna wins against Zed 50.10% of the time which is 0.57% lower against Zed than the average opponent.
After normalising both champions win rates Senna wins against Zed 0.23% less often than would be expected.
The average opponent winrate against Zed is 50.67%.
Aurora
the Witch Between Worlds
Senna wins against Aurora 50.12% of the time which is 0.65% lower against Aurora than the average opponent.
After normalising both champions win rates Senna wins against Aurora 0.31% less often than would be expected.
The average opponent winrate against Aurora is 50.77%.
Syndra
the Dark Sovereign
Senna wins against Syndra 50.31% of the time which is 0.36% higher against Syndra than the average opponent.
After normalising both champions win rates Senna wins against Syndra 0.70% more often than would be expected.
The average opponent winrate against Syndra is 49.95%.
Viktor
the Herald of the Arcane
Senna wins against Viktor 50.52% of the time which is 0.38% lower against Viktor than the average opponent.
After normalising both champions win rates Senna wins against Viktor 0.04% less often than would be expected.
The average opponent winrate against Viktor is 50.90%.
Malzahar
the Prophet of the Void
Senna wins against Malzahar 50.66% of the time which is 1.82% higher against Malzahar than the average opponent.
After normalising both champions win rates Senna wins against Malzahar 2.16% more often than would be expected.
The average opponent winrate against Malzahar is 48.84%.
Lissandra
the Ice Witch
Senna wins against Lissandra 50.82% of the time which is 2.35% higher against Lissandra than the average opponent.
After normalising both champions win rates Senna wins against Lissandra 2.69% more often than would be expected.
The average opponent winrate against Lissandra is 48.47%.
Vladimir
the Crimson Reaper
Senna wins against Vladimir 50.83% of the time which is 1.23% higher against Vladimir than the average opponent.
After normalising both champions win rates Senna wins against Vladimir 1.57% more often than would be expected.
The average opponent winrate against Vladimir is 49.60%.
Orianna
the Lady of Clockwork
Senna wins against Orianna 50.88% of the time which is 0.20% higher against Orianna than the average opponent.
After normalising both champions win rates Senna wins against Orianna 0.54% more often than would be expected.
The average opponent winrate against Orianna is 50.68%.
Lux
the Lady of Luminosity
Senna wins against Lux 50.95% of the time which is 2.12% higher against Lux than the average opponent.
After normalising both champions win rates Senna wins against Lux 2.46% more often than would be expected.
The average opponent winrate against Lux is 48.83%.
Yone
the Unforgotten
Senna wins against Yone 51.20% of the time which is 2.32% lower against Yone than the average opponent.
After normalising both champions win rates Senna wins against Yone 1.98% less often than would be expected.
The average opponent winrate against Yone is 53.52%.
Kayle
the Righteous
Senna wins against Kayle 51.35% of the time which is 2.70% higher against Kayle than the average opponent.
After normalising both champions win rates Senna wins against Kayle 3.04% more often than would be expected.
The average opponent winrate against Kayle is 48.65%.
Taliyah
the Stoneweaver
Senna wins against Taliyah 51.53% of the time which is 0.63% higher against Taliyah than the average opponent.
After normalising both champions win rates Senna wins against Taliyah 0.97% more often than would be expected.
The average opponent winrate against Taliyah is 50.90%.
Talon
the Blade's Shadow
Senna wins against Talon 51.61% of the time which is 2.30% higher against Talon than the average opponent.
After normalising both champions win rates Senna wins against Talon 2.64% more often than would be expected.
The average opponent winrate against Talon is 49.31%.
Mel
the Soul's Reflection
Senna wins against Mel 52.28% of the time which is 0.58% lower against Mel than the average opponent.
After normalising both champions win rates Senna wins against Mel 0.24% less often than would be expected.
The average opponent winrate against Mel is 52.86%.
Diana
Scorn of the Moon
Senna wins against Diana 52.56% of the time which is 4.47% higher against Diana than the average opponent.
After normalising both champions win rates Senna wins against Diana 4.81% more often than would be expected.
The average opponent winrate against Diana is 48.09%.
Sylas
the Unshackled
Senna wins against Sylas 52.97% of the time which is 2.33% higher against Sylas than the average opponent.
After normalising both champions win rates Senna wins against Sylas 2.67% more often than would be expected.
The average opponent winrate against Sylas is 50.64%.
Corki
the Daring Bombardier
Senna wins against Corki 53.85% of the time which is 0.35% higher against Corki than the average opponent.
After normalising both champions win rates Senna wins against Corki 0.69% more often than would be expected.
The average opponent winrate against Corki is 53.50%.
Akshan
the Rogue Sentinel
Senna wins against Akshan 55.09% of the time which is 5.58% higher against Akshan than the average opponent.
After normalising both champions win rates Senna wins against Akshan 5.92% more often than would be expected.
The average opponent winrate against Akshan is 49.51%.
Yasuo
the Unforgiven
Senna wins against Yasuo 55.21% of the time which is 4.33% higher against Yasuo than the average opponent.
After normalising both champions win rates Senna wins against Yasuo 4.67% more often than would be expected.
The average opponent winrate against Yasuo is 50.88%.
Smolder
the Fiery Fledgling
Senna wins against Smolder 57.04% of the time which is 2.65% higher against Smolder than the average opponent.
After normalising both champions win rates Senna wins against Smolder 2.99% more often than would be expected.
The average opponent winrate against Smolder is 54.39%.
