

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: 23,153,458
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 bottom Counters
Senna support on Patch 30 is the strongest counter to bottom champions of Kalista, Corki & Brand. While Senna support is countered most by bottom champions of Lux, Swain & Veigar. Below is a detailed breakdown of Senna support counters against bottom champions with a minimum of 100 games.


Lux
the Lady of Luminosity
Senna wins against Lux 38.69% of the time which is 12.78% lower against Lux than the average opponent.
After normalising both champions win rates Senna wins against Lux 8.59% less often than would be expected.
The average opponent winrate against Lux is 51.47%.


Swain
the Noxian Grand General
Senna wins against Swain 40.08% of the time which is 6.54% lower against Swain than the average opponent.
After normalising both champions win rates Senna wins against Swain 2.38% less often than would be expected.
The average opponent winrate against Swain is 46.62%.


Veigar
the Tiny Master of Evil
Senna wins against Veigar 40.45% of the time which is 7.48% lower against Veigar than the average opponent.
After normalising both champions win rates Senna wins against Veigar 3.31% less often than would be expected.
The average opponent winrate against Veigar is 47.93%.


Ziggs
the Hexplosives Expert
Senna wins against Ziggs 43.99% of the time which is 4.65% lower against Ziggs than the average opponent.
After normalising both champions win rates Senna wins against Ziggs 0.47% less often than would be expected.
The average opponent winrate against Ziggs is 48.64%.


Kog'Maw
the Mouth of the Abyss
Senna wins against Kog'Maw 44.41% of the time which is 4.39% lower against Kog'Maw than the average opponent.
After normalising both champions win rates Senna wins against Kog'Maw 0.21% less often than would be expected.
The average opponent winrate against Kog'Maw is 48.80%.


Jhin
the Virtuoso
Senna wins against Jhin 44.49% of the time which is 5.84% lower against Jhin than the average opponent.
After normalising both champions win rates Senna wins against Jhin 1.65% less often than would be expected.
The average opponent winrate against Jhin is 50.33%.


Aphelios
the Weapon of the Faithful
Senna wins against Aphelios 44.80% of the time which is 5.46% lower against Aphelios than the average opponent.
After normalising both champions win rates Senna wins against Aphelios 1.27% less often than would be expected.
The average opponent winrate against Aphelios is 50.26%.


Nilah
the Joy Unbound
Senna wins against Nilah 44.97% of the time which is 3.33% lower against Nilah than the average opponent.
After normalising both champions win rates Senna wins against Nilah 0.85% more often than would be expected.
The average opponent winrate against Nilah is 48.30%.


Smolder
the Fiery Fledgling
Senna wins against Smolder 45.03% of the time which is 4.32% lower against Smolder than the average opponent.
After normalising both champions win rates Senna wins against Smolder 0.13% less often than would be expected.
The average opponent winrate against Smolder is 49.35%.


Jinx
the Loose Cannon
Senna wins against Jinx 45.26% of the time which is 4.64% lower against Jinx than the average opponent.
After normalising both champions win rates Senna wins against Jinx 0.45% less often than would be expected.
The average opponent winrate against Jinx is 49.90%.


Miss Fortune
the Bounty Hunter
Senna wins against Miss Fortune 45.28% of the time which is 4.23% lower against Miss Fortune than the average opponent.
After normalising both champions win rates Senna wins against Miss Fortune 0.04% less often than would be expected.
The average opponent winrate against Miss Fortune is 49.51%.


Hwei
the Visionary
Senna wins against Hwei 45.63% of the time which is 2.71% lower against Hwei than the average opponent.
After normalising both champions win rates Senna wins against Hwei 1.47% more often than would be expected.
The average opponent winrate against Hwei is 48.34%.


Seraphine
the Starry-Eyed Songstress
Senna wins against Seraphine 45.75% of the time which is 7.33% lower against Seraphine than the average opponent.
After normalising both champions win rates Senna wins against Seraphine 3.14% less often than would be expected.
The average opponent winrate against Seraphine is 53.08%.


Caitlyn
the Sheriff of Piltover
Senna wins against Caitlyn 45.90% of the time which is 5.14% lower against Caitlyn than the average opponent.
After normalising both champions win rates Senna wins against Caitlyn 0.95% less often than would be expected.
The average opponent winrate against Caitlyn is 51.04%.


Ashe
the Frost Archer
Senna wins against Ashe 45.91% of the time which is 4.74% lower against Ashe than the average opponent.
After normalising both champions win rates Senna wins against Ashe 0.55% less often than would be expected.
The average opponent winrate against Ashe is 50.65%.


Zeri
The Spark of Zaun
Senna wins against Zeri 46.00% of the time which is 5.53% lower against Zeri than the average opponent.
After normalising both champions win rates Senna wins against Zeri 1.34% less often than would be expected.
The average opponent winrate against Zeri is 51.53%.


Vayne
the Night Hunter
Senna wins against Vayne 46.11% of the time which is 3.93% lower against Vayne than the average opponent.
After normalising both champions win rates Senna wins against Vayne 0.26% more often than would be expected.
The average opponent winrate against Vayne is 50.04%.


Malzahar
the Prophet of the Void
Senna wins against Malzahar 46.30% of the time which is 4.13% lower against Malzahar than the average opponent.
After normalising both champions win rates Senna wins against Malzahar 0.06% more often than would be expected.
The average opponent winrate against Malzahar is 50.43%.


Kai'Sa
Daughter of the Void
Senna wins against Kai'Sa 46.39% of the time which is 4.93% lower against Kai'Sa than the average opponent.
After normalising both champions win rates Senna wins against Kai'Sa 0.74% less often than would be expected.
The average opponent winrate against Kai'Sa is 51.32%.


Twitch
the Plague Rat
Senna wins against Twitch 46.57% of the time which is 4.02% lower against Twitch than the average opponent.
After normalising both champions win rates Senna wins against Twitch 0.17% more often than would be expected.
The average opponent winrate against Twitch is 50.59%.


Samira
the Desert Rose
Senna wins against Samira 46.77% of the time which is 3.50% lower against Samira than the average opponent.
After normalising both champions win rates Senna wins against Samira 0.69% more often than would be expected.
The average opponent winrate against Samira is 50.27%.


Sivir
the Battle Mistress
Senna wins against Sivir 46.78% of the time which is 2.56% lower against Sivir than the average opponent.
After normalising both champions win rates Senna wins against Sivir 1.63% more often than would be expected.
The average opponent winrate against Sivir is 49.34%.


Yasuo
the Unforgiven
Senna wins against Yasuo 48.10% of the time which is 0.96% lower against Yasuo than the average opponent.
After normalising both champions win rates Senna wins against Yasuo 3.22% more often than would be expected.
The average opponent winrate against Yasuo is 49.06%.


Tristana
the Yordle Gunner
Senna wins against Tristana 48.10% of the time which is 3.94% lower against Tristana than the average opponent.
After normalising both champions win rates Senna wins against Tristana 0.25% more often than would be expected.
The average opponent winrate against Tristana is 52.04%.


Xayah
the Rebel
Senna wins against Xayah 48.13% of the time which is 3.47% lower against Xayah than the average opponent.
After normalising both champions win rates Senna wins against Xayah 0.72% more often than would be expected.
The average opponent winrate against Xayah is 51.60%.


Ezreal
the Prodigal Explorer
Senna wins against Ezreal 48.18% of the time which is 4.68% lower against Ezreal than the average opponent.
After normalising both champions win rates Senna wins against Ezreal 0.49% less often than would be expected.
The average opponent winrate against Ezreal is 52.86%.


Draven
the Glorious Executioner
Senna wins against Draven 48.20% of the time which is 4.86% lower against Draven than the average opponent.
After normalising both champions win rates Senna wins against Draven 0.67% less often than would be expected.
The average opponent winrate against Draven is 53.06%.


Lucian
the Purifier
Senna wins against Lucian 48.20% of the time which is 4.22% lower against Lucian than the average opponent.
After normalising both champions win rates Senna wins against Lucian 0.03% less often than would be expected.
The average opponent winrate against Lucian is 52.42%.


Yunara
the Unbroken Faith
Senna wins against Yunara 48.57% of the time which is 3.65% lower against Yunara than the average opponent.
After normalising both champions win rates Senna wins against Yunara 0.54% more often than would be expected.
The average opponent winrate against Yunara is 52.22%.


Heimerdinger
the Revered Inventor
Senna wins against Heimerdinger 49.17% of the time which is 1.49% higher against Heimerdinger than the average opponent.
After normalising both champions win rates Senna wins against Heimerdinger 5.66% more often than would be expected.
The average opponent winrate against Heimerdinger is 47.68%.


Teemo
the Swift Scout
Senna wins against Teemo 49.44% of the time which is 0.37% higher against Teemo than the average opponent.
After normalising both champions win rates Senna wins against Teemo 4.55% more often than would be expected.
The average opponent winrate against Teemo is 49.07%.


Varus
the Arrow of Retribution
Senna wins against Varus 49.54% of the time which is 3.54% lower against Varus than the average opponent.
After normalising both champions win rates Senna wins against Varus 0.65% more often than would be expected.
The average opponent winrate against Varus is 53.08%.


Mel
the Soul's Reflection
Senna wins against Mel 49.58% of the time which is 1.63% lower against Mel than the average opponent.
After normalising both champions win rates Senna wins against Mel 2.56% more often than would be expected.
The average opponent winrate against Mel is 51.21%.


Brand
the Burning Vengeance
Senna wins against Brand 49.59% of the time which is 0.84% lower against Brand than the average opponent.
After normalising both champions win rates Senna wins against Brand 3.35% more often than would be expected.
The average opponent winrate against Brand is 50.43%.


Corki
the Daring Bombardier
Senna wins against Corki 50.91% of the time which is 3.06% lower against Corki than the average opponent.
After normalising both champions win rates Senna wins against Corki 1.13% more often than would be expected.
The average opponent winrate against Corki is 53.97%.


Kalista
the Spear of Vengeance
Senna wins against Kalista 52.93% of the time which is 1.31% lower against Kalista than the average opponent.
After normalising both champions win rates Senna wins against Kalista 2.88% more often than would be expected.
The average opponent winrate against Kalista is 54.24%.