

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: 18,565,896
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 bottom Counters
Senna bottom on Patch 30 is the strongest counter to bottom champions of Ezreal, Xayah & Twitch. While Senna bottom is countered most by bottom champions of Veigar, Swain & Ziggs. Below is a detailed breakdown of Senna bottom counters against bottom champions with a minimum of 100 games.


Veigar
the Tiny Master of Evil
Senna wins against Veigar 39.09% of the time which is 10.37% lower against Veigar than the average opponent.
After normalising both champions win rates Senna wins against Veigar 5.90% less often than would be expected.
The average opponent winrate against Veigar is 49.46%.


Swain
the Noxian Grand General
Senna wins against Swain 43.12% of the time which is 4.75% lower against Swain than the average opponent.
After normalising both champions win rates Senna wins against Swain 0.29% less often than would be expected.
The average opponent winrate against Swain is 47.87%.


Ziggs
the Hexplosives Expert
Senna wins against Ziggs 44.54% of the time which is 5.50% lower against Ziggs than the average opponent.
After normalising both champions win rates Senna wins against Ziggs 1.03% less often than would be expected.
The average opponent winrate against Ziggs is 50.04%.


Nilah
the Joy Unbound
Senna wins against Nilah 44.98% of the time which is 4.77% lower against Nilah than the average opponent.
After normalising both champions win rates Senna wins against Nilah 0.30% less often than would be expected.
The average opponent winrate against Nilah is 49.75%.


Mel
the Soul's Reflection
Senna wins against Mel 45.25% of the time which is 7.65% lower against Mel than the average opponent.
After normalising both champions win rates Senna wins against Mel 3.18% less often than would be expected.
The average opponent winrate against Mel is 52.90%.


Vayne
the Night Hunter
Senna wins against Vayne 45.26% of the time which is 6.10% lower against Vayne than the average opponent.
After normalising both champions win rates Senna wins against Vayne 1.63% less often than would be expected.
The average opponent winrate against Vayne is 51.36%.


Smolder
the Fiery Fledgling
Senna wins against Smolder 45.86% of the time which is 4.80% lower against Smolder than the average opponent.
After normalising both champions win rates Senna wins against Smolder 0.33% less often than would be expected.
The average opponent winrate against Smolder is 50.66%.


Kai'Sa
Daughter of the Void
Senna wins against Kai'Sa 45.90% of the time which is 6.74% lower against Kai'Sa than the average opponent.
After normalising both champions win rates Senna wins against Kai'Sa 2.27% less often than would be expected.
The average opponent winrate against Kai'Sa is 52.64%.


Aphelios
the Weapon of the Faithful
Senna wins against Aphelios 46.16% of the time which is 5.62% lower against Aphelios than the average opponent.
After normalising both champions win rates Senna wins against Aphelios 1.15% less often than would be expected.
The average opponent winrate against Aphelios is 51.78%.


Tristana
the Yordle Gunner
Senna wins against Tristana 46.50% of the time which is 6.97% lower against Tristana than the average opponent.
After normalising both champions win rates Senna wins against Tristana 2.50% less often than would be expected.
The average opponent winrate against Tristana is 53.47%.


Miss Fortune
the Bounty Hunter
Senna wins against Miss Fortune 46.60% of the time which is 4.38% lower against Miss Fortune than the average opponent.
After normalising both champions win rates Senna wins against Miss Fortune 0.09% more often than would be expected.
The average opponent winrate against Miss Fortune is 50.98%.


Jinx
the Loose Cannon
Senna wins against Jinx 46.67% of the time which is 4.80% lower against Jinx than the average opponent.
After normalising both champions win rates Senna wins against Jinx 0.33% less often than would be expected.
The average opponent winrate against Jinx is 51.47%.


Kog'Maw
the Mouth of the Abyss
Senna wins against Kog'Maw 46.78% of the time which is 3.42% lower against Kog'Maw than the average opponent.
After normalising both champions win rates Senna wins against Kog'Maw 1.05% more often than would be expected.
The average opponent winrate against Kog'Maw is 50.20%.


Caitlyn
the Sheriff of Piltover
Senna wins against Caitlyn 46.82% of the time which is 5.69% lower against Caitlyn than the average opponent.
After normalising both champions win rates Senna wins against Caitlyn 1.22% less often than would be expected.
The average opponent winrate against Caitlyn is 52.51%.


Corki
the Daring Bombardier
Senna wins against Corki 46.99% of the time which is 8.25% lower against Corki than the average opponent.
After normalising both champions win rates Senna wins against Corki 3.79% less often than would be expected.
The average opponent winrate against Corki is 55.24%.


Yasuo
the Unforgiven
Senna wins against Yasuo 47.09% of the time which is 3.93% lower against Yasuo than the average opponent.
After normalising both champions win rates Senna wins against Yasuo 0.54% more often than would be expected.
The average opponent winrate against Yasuo is 51.02%.


Jhin
the Virtuoso
Senna wins against Jhin 47.37% of the time which is 4.33% lower against Jhin than the average opponent.
After normalising both champions win rates Senna wins against Jhin 0.14% more often than would be expected.
The average opponent winrate against Jhin is 51.70%.


Sivir
the Battle Mistress
Senna wins against Sivir 47.65% of the time which is 3.30% lower against Sivir than the average opponent.
After normalising both champions win rates Senna wins against Sivir 1.17% more often than would be expected.
The average opponent winrate against Sivir is 50.95%.


Samira
the Desert Rose
Senna wins against Samira 47.66% of the time which is 4.11% lower against Samira than the average opponent.
After normalising both champions win rates Senna wins against Samira 0.36% more often than would be expected.
The average opponent winrate against Samira is 51.77%.


Yunara
the Unbroken Faith
Senna wins against Yunara 47.71% of the time which is 5.07% lower against Yunara than the average opponent.
After normalising both champions win rates Senna wins against Yunara 0.60% less often than would be expected.
The average opponent winrate against Yunara is 52.78%.


Draven
the Glorious Executioner
Senna wins against Draven 48.76% of the time which is 5.57% lower against Draven than the average opponent.
After normalising both champions win rates Senna wins against Draven 1.11% less often than would be expected.
The average opponent winrate against Draven is 54.33%.


Varus
the Arrow of Retribution
Senna wins against Varus 48.89% of the time which is 5.57% lower against Varus than the average opponent.
After normalising both champions win rates Senna wins against Varus 1.11% less often than would be expected.
The average opponent winrate against Varus is 54.46%.


Ashe
the Frost Archer
Senna wins against Ashe 49.54% of the time which is 2.47% lower against Ashe than the average opponent.
After normalising both champions win rates Senna wins against Ashe 2.00% more often than would be expected.
The average opponent winrate against Ashe is 52.01%.


Lucian
the Purifier
Senna wins against Lucian 50.00% of the time which is 3.95% lower against Lucian than the average opponent.
After normalising both champions win rates Senna wins against Lucian 0.51% more often than would be expected.
The average opponent winrate against Lucian is 53.95%.


Zeri
The Spark of Zaun
Senna wins against Zeri 50.48% of the time which is 2.41% lower against Zeri than the average opponent.
After normalising both champions win rates Senna wins against Zeri 2.06% more often than would be expected.
The average opponent winrate against Zeri is 52.89%.


Kalista
the Spear of Vengeance
Senna wins against Kalista 50.84% of the time which is 5.50% lower against Kalista than the average opponent.
After normalising both champions win rates Senna wins against Kalista 1.05% less often than would be expected.
The average opponent winrate against Kalista is 56.34%.


Twitch
the Plague Rat
Senna wins against Twitch 51.17% of the time which is 0.92% lower against Twitch than the average opponent.
After normalising both champions win rates Senna wins against Twitch 3.55% more often than would be expected.
The average opponent winrate against Twitch is 52.09%.


Xayah
the Rebel
Senna wins against Xayah 51.71% of the time which is 1.17% lower against Xayah than the average opponent.
After normalising both champions win rates Senna wins against Xayah 3.30% more often than would be expected.
The average opponent winrate against Xayah is 52.88%.


Ezreal
the Prodigal Explorer
Senna wins against Ezreal 53.20% of the time which is 1.12% lower against Ezreal than the average opponent.
After normalising both champions win rates Senna wins against Ezreal 3.34% more often than would be expected.
The average opponent winrate against Ezreal is 54.32%.