

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.
Iron Champions Analysed: 3,834,979
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 15.8 is the strongest counter to middle champions of Malphite, Neeko & Katarina. While Senna support is countered most by middle champions of Taliyah, Pantheon & Malzahar. Below is a detailed breakdown of Senna support counters against middle champions with a minimum of 100 games.


Taliyah
the Stoneweaver
Senna wins against Taliyah 35.51% of the time which is 20.27% lower against Taliyah than the average opponent.
After normalising both champions win rates Senna wins against Taliyah 13.87% less often than would be expected.
The average opponent winrate against Taliyah is 55.78%.


Pantheon
the Unbreakable Spear
Senna wins against Pantheon 39.10% of the time which is 12.48% lower against Pantheon than the average opponent.
After normalising both champions win rates Senna wins against Pantheon 6.06% less often than would be expected.
The average opponent winrate against Pantheon is 51.58%.


Malzahar
the Prophet of the Void
Senna wins against Malzahar 39.52% of the time which is 9.99% lower against Malzahar than the average opponent.
After normalising both champions win rates Senna wins against Malzahar 3.57% less often than would be expected.
The average opponent winrate against Malzahar is 49.51%.


Naafiri
the Hound of a Hundred Bites
Senna wins against Naafiri 40.33% of the time which is 11.62% lower against Naafiri than the average opponent.
After normalising both champions win rates Senna wins against Naafiri 5.20% less often than would be expected.
The average opponent winrate against Naafiri is 51.95%.


Aurelion Sol
The Star Forger
Senna wins against Aurelion Sol 42.01% of the time which is 8.03% lower against Aurelion Sol than the average opponent.
After normalising both champions win rates Senna wins against Aurelion Sol 1.61% less often than would be expected.
The average opponent winrate against Aurelion Sol is 50.04%.


Zoe
the Aspect of Twilight
Senna wins against Zoe 42.08% of the time which is 13.73% lower against Zoe than the average opponent.
After normalising both champions win rates Senna wins against Zoe 7.33% less often than would be expected.
The average opponent winrate against Zoe is 55.81%.


Cassiopeia
the Serpent's Embrace
Senna wins against Cassiopeia 43.14% of the time which is 10.19% lower against Cassiopeia than the average opponent.
After normalising both champions win rates Senna wins against Cassiopeia 3.77% less often than would be expected.
The average opponent winrate against Cassiopeia is 53.33%.


Syndra
the Dark Sovereign
Senna wins against Syndra 43.44% of the time which is 10.48% lower against Syndra than the average opponent.
After normalising both champions win rates Senna wins against Syndra 4.06% less often than would be expected.
The average opponent winrate against Syndra is 53.92%.


Ryze
the Rune Mage
Senna wins against Ryze 43.51% of the time which is 9.11% lower against Ryze than the average opponent.
After normalising both champions win rates Senna wins against Ryze 2.69% less often than would be expected.
The average opponent winrate against Ryze is 52.62%.


Lissandra
the Ice Witch
Senna wins against Lissandra 43.70% of the time which is 8.49% lower against Lissandra than the average opponent.
After normalising both champions win rates Senna wins against Lissandra 2.07% less often than would be expected.
The average opponent winrate against Lissandra is 52.19%.


Ekko
the Boy Who Shattered Time
Senna wins against Ekko 44.30% of the time which is 8.02% lower against Ekko than the average opponent.
After normalising both champions win rates Senna wins against Ekko 1.60% less often than would be expected.
The average opponent winrate against Ekko is 52.32%.


Cho'Gath
the Terror of the Void
Senna wins against Cho'Gath 44.30% of the time which is 6.20% lower against Cho'Gath than the average opponent.
After normalising both champions win rates Senna wins against Cho'Gath 0.22% more often than would be expected.
The average opponent winrate against Cho'Gath is 50.50%.


Veigar
the Tiny Master of Evil
Senna wins against Veigar 44.48% of the time which is 5.63% lower against Veigar than the average opponent.
After normalising both champions win rates Senna wins against Veigar 0.79% more often than would be expected.
The average opponent winrate against Veigar is 50.11%.


Irelia
the Blade Dancer
Senna wins against Irelia 44.92% of the time which is 7.61% lower against Irelia than the average opponent.
After normalising both champions win rates Senna wins against Irelia 1.19% less often than would be expected.
The average opponent winrate against Irelia is 52.53%.


Vel'Koz
the Eye of the Void
Senna wins against Vel'Koz 44.92% of the time which is 8.64% lower against Vel'Koz than the average opponent.
After normalising both champions win rates Senna wins against Vel'Koz 2.22% less often than would be expected.
The average opponent winrate against Vel'Koz is 53.56%.


Qiyana
Empress of the Elements
Senna wins against Qiyana 45.08% of the time which is 12.08% lower against Qiyana than the average opponent.
After normalising both champions win rates Senna wins against Qiyana 5.70% less often than would be expected.
The average opponent winrate against Qiyana is 57.16%.


Ziggs
the Hexplosives Expert
Senna wins against Ziggs 45.08% of the time which is 7.84% lower against Ziggs than the average opponent.
After normalising both champions win rates Senna wins against Ziggs 1.42% less often than would be expected.
The average opponent winrate against Ziggs is 52.92%.


Orianna
the Lady of Clockwork
Senna wins against Orianna 45.16% of the time which is 7.90% lower against Orianna than the average opponent.
After normalising both champions win rates Senna wins against Orianna 1.48% less often than would be expected.
The average opponent winrate against Orianna is 53.06%.


Mel
the Soul's Reflection
Senna wins against Mel 45.19% of the time which is 7.24% lower against Mel than the average opponent.
After normalising both champions win rates Senna wins against Mel 0.82% less often than would be expected.
The average opponent winrate against Mel is 52.43%.


Fizz
the Tidal Trickster
Senna wins against Fizz 45.41% of the time which is 7.25% lower against Fizz than the average opponent.
After normalising both champions win rates Senna wins against Fizz 0.83% less often than would be expected.
The average opponent winrate against Fizz is 52.66%.


Ahri
the Nine-Tailed Fox
Senna wins against Ahri 45.63% of the time which is 6.29% lower against Ahri than the average opponent.
After normalising both champions win rates Senna wins against Ahri 0.13% more often than would be expected.
The average opponent winrate against Ahri is 51.92%.


Galio
the Colossus
Senna wins against Galio 45.92% of the time which is 4.97% lower against Galio than the average opponent.
After normalising both champions win rates Senna wins against Galio 1.45% more often than would be expected.
The average opponent winrate against Galio is 50.89%.


Diana
Scorn of the Moon
Senna wins against Diana 46.15% of the time which is 5.75% lower against Diana than the average opponent.
After normalising both champions win rates Senna wins against Diana 0.67% more often than would be expected.
The average opponent winrate against Diana is 51.90%.


Anivia
the Cryophoenix
Senna wins against Anivia 46.15% of the time which is 6.12% lower against Anivia than the average opponent.
After normalising both champions win rates Senna wins against Anivia 0.30% more often than would be expected.
The average opponent winrate against Anivia is 52.27%.


Xerath
the Magus Ascendant
Senna wins against Xerath 46.18% of the time which is 5.99% lower against Xerath than the average opponent.
After normalising both champions win rates Senna wins against Xerath 0.43% more often than would be expected.
The average opponent winrate against Xerath is 52.17%.


Yasuo
the Unforgiven
Senna wins against Yasuo 46.25% of the time which is 5.71% lower against Yasuo than the average opponent.
After normalising both champions win rates Senna wins against Yasuo 0.71% more often than would be expected.
The average opponent winrate against Yasuo is 51.96%.


Heimerdinger
the Revered Inventor
Senna wins against Heimerdinger 46.50% of the time which is 2.28% lower against Heimerdinger than the average opponent.
After normalising both champions win rates Senna wins against Heimerdinger 4.13% more often than would be expected.
The average opponent winrate against Heimerdinger is 48.78%.


Hwei
the Visionary
Senna wins against Hwei 46.69% of the time which is 5.86% lower against Hwei than the average opponent.
After normalising both champions win rates Senna wins against Hwei 0.56% more often than would be expected.
The average opponent winrate against Hwei is 52.55%.


Lux
the Lady of Luminosity
Senna wins against Lux 47.21% of the time which is 3.88% lower against Lux than the average opponent.
After normalising both champions win rates Senna wins against Lux 2.54% more often than would be expected.
The average opponent winrate against Lux is 51.09%.


Sylas
the Unshackled
Senna wins against Sylas 47.22% of the time which is 7.06% lower against Sylas than the average opponent.
After normalising both champions win rates Senna wins against Sylas 0.64% less often than would be expected.
The average opponent winrate against Sylas is 54.28%.


Viktor
the Herald of the Arcane
Senna wins against Viktor 47.37% of the time which is 4.47% lower against Viktor than the average opponent.
After normalising both champions win rates Senna wins against Viktor 1.95% more often than would be expected.
The average opponent winrate against Viktor is 51.84%.


Talon
the Blade's Shadow
Senna wins against Talon 47.42% of the time which is 8.68% lower against Talon than the average opponent.
After normalising both champions win rates Senna wins against Talon 2.28% less often than would be expected.
The average opponent winrate against Talon is 56.10%.


Zed
the Master of Shadows
Senna wins against Zed 47.50% of the time which is 7.12% lower against Zed than the average opponent.
After normalising both champions win rates Senna wins against Zed 0.71% less often than would be expected.
The average opponent winrate against Zed is 54.62%.


Vex
the Gloomist
Senna wins against Vex 47.63% of the time which is 5.00% lower against Vex than the average opponent.
After normalising both champions win rates Senna wins against Vex 1.42% more often than would be expected.
The average opponent winrate against Vex is 52.63%.


Akshan
the Rogue Sentinel
Senna wins against Akshan 47.89% of the time which is 6.75% lower against Akshan than the average opponent.
After normalising both champions win rates Senna wins against Akshan 0.34% less often than would be expected.
The average opponent winrate against Akshan is 54.64%.


Twisted Fate
the Card Master
Senna wins against Twisted Fate 48.54% of the time which is 6.01% lower against Twisted Fate than the average opponent.
After normalising both champions win rates Senna wins against Twisted Fate 0.40% more often than would be expected.
The average opponent winrate against Twisted Fate is 54.55%.


Aurora
the Witch Between Worlds
Senna wins against Aurora 48.67% of the time which is 6.24% lower against Aurora than the average opponent.
After normalising both champions win rates Senna wins against Aurora 0.17% more often than would be expected.
The average opponent winrate against Aurora is 54.91%.


LeBlanc
the Deceiver
Senna wins against LeBlanc 48.70% of the time which is 6.86% lower against LeBlanc than the average opponent.
After normalising both champions win rates Senna wins against LeBlanc 0.46% less often than would be expected.
The average opponent winrate against LeBlanc is 55.56%.


Vladimir
the Crimson Reaper
Senna wins against Vladimir 48.88% of the time which is 4.87% lower against Vladimir than the average opponent.
After normalising both champions win rates Senna wins against Vladimir 1.55% more often than would be expected.
The average opponent winrate against Vladimir is 53.75%.


Yone
the Unforgotten
Senna wins against Yone 49.82% of the time which is 3.95% lower against Yone than the average opponent.
After normalising both champions win rates Senna wins against Yone 2.47% more often than would be expected.
The average opponent winrate against Yone is 53.77%.


Azir
the Emperor of the Sands
Senna wins against Azir 50.51% of the time which is 6.50% lower against Azir than the average opponent.
After normalising both champions win rates Senna wins against Azir 0.11% less often than would be expected.
The average opponent winrate against Azir is 57.01%.


Akali
the Rogue Assassin
Senna wins against Akali 51.16% of the time which is 2.22% lower against Akali than the average opponent.
After normalising both champions win rates Senna wins against Akali 4.20% more often than would be expected.
The average opponent winrate against Akali is 53.38%.


Annie
the Dark Child
Senna wins against Annie 51.52% of the time which is 4.05% lower against Annie than the average opponent.
After normalising both champions win rates Senna wins against Annie 2.35% more often than would be expected.
The average opponent winrate against Annie is 55.57%.


Brand
the Burning Vengeance
Senna wins against Brand 51.75% of the time which is 0.39% lower against Brand than the average opponent.
After normalising both champions win rates Senna wins against Brand 6.03% more often than would be expected.
The average opponent winrate against Brand is 52.14%.


Katarina
the Sinister Blade
Senna wins against Katarina 53.51% of the time which is 2.24% lower against Katarina than the average opponent.
After normalising both champions win rates Senna wins against Katarina 4.16% more often than would be expected.
The average opponent winrate against Katarina is 55.75%.


Neeko
the Curious Chameleon
Senna wins against Neeko 53.60% of the time which is 0.91% higher against Neeko than the average opponent.
After normalising both champions win rates Senna wins against Neeko 7.33% more often than would be expected.
The average opponent winrate against Neeko is 52.69%.


Malphite
Shard of the Monolith
Senna wins against Malphite 54.31% of the time which is 3.91% higher against Malphite than the average opponent.
After normalising both champions win rates Senna wins against Malphite 10.33% more often than would be expected.
The average opponent winrate against Malphite is 50.40%.