

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.
Master Champions Analysed: 1,691,538
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 15.4 is the strongest counter to bottom champions of Zeri, Aphelios & Smolder. While Senna support is countered most by bottom champions of Kog'Maw, Samira & Twitch. Below is a detailed breakdown of Senna support counters against bottom champions with a minimum of 100 games.


Kog'Maw
the Mouth of the Abyss
Senna wins against Kog'Maw 43.80% of the time which is 1.68% lower against Kog'Maw than the average opponent.
After normalising both champions win rates Senna wins against Kog'Maw 6.30% less often than would be expected.
The average opponent winrate against Kog'Maw is 45.48%.


Samira
the Desert Rose
Senna wins against Samira 47.46% of the time which is 0.70% higher against Samira than the average opponent.
After normalising both champions win rates Senna wins against Samira 3.93% less often than would be expected.
The average opponent winrate against Samira is 46.76%.


Twitch
the Plague Rat
Senna wins against Twitch 47.62% of the time which is 1.36% higher against Twitch than the average opponent.
After normalising both champions win rates Senna wins against Twitch 3.27% less often than would be expected.
The average opponent winrate against Twitch is 46.26%.


Varus
the Arrow of Retribution
Senna wins against Varus 48.53% of the time which is 0.23% lower against Varus than the average opponent.
After normalising both champions win rates Senna wins against Varus 4.86% less often than would be expected.
The average opponent winrate against Varus is 48.76%.


Vayne
the Night Hunter
Senna wins against Vayne 50.23% of the time which is 4.54% higher against Vayne than the average opponent.
After normalising both champions win rates Senna wins against Vayne 0.08% less often than would be expected.
The average opponent winrate against Vayne is 45.69%.


Tristana
the Yordle Gunner
Senna wins against Tristana 50.40% of the time which is 3.89% higher against Tristana than the average opponent.
After normalising both champions win rates Senna wins against Tristana 0.74% less often than would be expected.
The average opponent winrate against Tristana is 46.51%.


Ashe
the Frost Archer
Senna wins against Ashe 50.75% of the time which is 4.21% higher against Ashe than the average opponent.
After normalising both champions win rates Senna wins against Ashe 0.42% less often than would be expected.
The average opponent winrate against Ashe is 46.54%.


Miss Fortune
the Bounty Hunter
Senna wins against Miss Fortune 50.89% of the time which is 4.06% higher against Miss Fortune than the average opponent.
After normalising both champions win rates Senna wins against Miss Fortune 0.57% less often than would be expected.
The average opponent winrate against Miss Fortune is 46.83%.


Sivir
the Battle Mistress
Senna wins against Sivir 51.46% of the time which is 3.61% higher against Sivir than the average opponent.
After normalising both champions win rates Senna wins against Sivir 1.02% less often than would be expected.
The average opponent winrate against Sivir is 47.85%.


Caitlyn
the Sheriff of Piltover
Senna wins against Caitlyn 51.70% of the time which is 3.55% higher against Caitlyn than the average opponent.
After normalising both champions win rates Senna wins against Caitlyn 1.08% less often than would be expected.
The average opponent winrate against Caitlyn is 48.15%.


Xayah
the Rebel
Senna wins against Xayah 51.92% of the time which is 5.57% higher against Xayah than the average opponent.
After normalising both champions win rates Senna wins against Xayah 0.94% more often than would be expected.
The average opponent winrate against Xayah is 46.35%.


Jinx
the Loose Cannon
Senna wins against Jinx 52.01% of the time which is 6.09% higher against Jinx than the average opponent.
After normalising both champions win rates Senna wins against Jinx 1.47% more often than would be expected.
The average opponent winrate against Jinx is 45.92%.


Lucian
the Purifier
Senna wins against Lucian 52.04% of the time which is 4.59% higher against Lucian than the average opponent.
After normalising both champions win rates Senna wins against Lucian 0.04% less often than would be expected.
The average opponent winrate against Lucian is 47.45%.


Kalista
the Spear of Vengeance
Senna wins against Kalista 52.20% of the time which is 2.77% higher against Kalista than the average opponent.
After normalising both champions win rates Senna wins against Kalista 1.86% less often than would be expected.
The average opponent winrate against Kalista is 49.43%.


Ezreal
the Prodigal Explorer
Senna wins against Ezreal 52.23% of the time which is 3.16% higher against Ezreal than the average opponent.
After normalising both champions win rates Senna wins against Ezreal 1.47% less often than would be expected.
The average opponent winrate against Ezreal is 49.07%.


Corki
the Daring Bombardier
Senna wins against Corki 52.24% of the time which is 5.31% higher against Corki than the average opponent.
After normalising both champions win rates Senna wins against Corki 0.68% more often than would be expected.
The average opponent winrate against Corki is 46.93%.


Kai'Sa
Daughter of the Void
Senna wins against Kai'Sa 53.68% of the time which is 3.91% higher against Kai'Sa than the average opponent.
After normalising both champions win rates Senna wins against Kai'Sa 0.72% less often than would be expected.
The average opponent winrate against Kai'Sa is 49.77%.


Draven
the Glorious Executioner
Senna wins against Draven 54.67% of the time which is 8.81% higher against Draven than the average opponent.
After normalising both champions win rates Senna wins against Draven 4.19% more often than would be expected.
The average opponent winrate against Draven is 45.86%.


Jhin
the Virtuoso
Senna wins against Jhin 55.69% of the time which is 7.44% higher against Jhin than the average opponent.
After normalising both champions win rates Senna wins against Jhin 2.81% more often than would be expected.
The average opponent winrate against Jhin is 48.25%.


Mel
the Soul's Reflection
Senna wins against Mel 56.18% of the time which is 5.79% higher against Mel than the average opponent.
After normalising both champions win rates Senna wins against Mel 1.16% more often than would be expected.
The average opponent winrate against Mel is 50.39%.


Smolder
the Fiery Fledgling
Senna wins against Smolder 58.04% of the time which is 8.22% higher against Smolder than the average opponent.
After normalising both champions win rates Senna wins against Smolder 3.59% more often than would be expected.
The average opponent winrate against Smolder is 49.82%.


Aphelios
the Weapon of the Faithful
Senna wins against Aphelios 58.10% of the time which is 9.82% higher against Aphelios than the average opponent.
After normalising both champions win rates Senna wins against Aphelios 5.19% more often than would be expected.
The average opponent winrate against Aphelios is 48.28%.


Zeri
The Spark of Zaun
Senna wins against Zeri 58.43% of the time which is 9.21% higher against Zeri than the average opponent.
After normalising both champions win rates Senna wins against Zeri 4.58% more often than would be expected.
The average opponent winrate against Zeri is 49.22%.