

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: 32,119,851
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 Yasuo, Xerath & Ezreal. While Senna bottom is countered most by bottom champions of Vel'Koz, Séraphine & Karthus. Below is a detailed breakdown of Senna bottom counters against bottom champions with a minimum of 100 games.


Vel'Koz
Œil du Néant
Senna wins against Vel'Koz 36.36% of the time which is 11.01% lower against Vel'Koz than the average opponent.
After normalising both champions win rates Senna wins against Vel'Koz 11.13% less often than would be expected.
The average opponent winrate against Vel'Koz is 47.37%.


Séraphine
Chanteuse rêveuse
Senna wins against Séraphine 45.90% of the time which is 2.39% lower against Séraphine than the average opponent.
After normalising both champions win rates Senna wins against Séraphine 2.51% less often than would be expected.
The average opponent winrate against Séraphine is 48.29%.


Karthus
Liche
Senna wins against Karthus 45.91% of the time which is 0.79% lower against Karthus than the average opponent.
After normalising both champions win rates Senna wins against Karthus 0.91% less often than would be expected.
The average opponent winrate against Karthus is 46.70%.


Hwei
Visionnaire
Senna wins against Hwei 46.31% of the time which is 1.23% lower against Hwei than the average opponent.
After normalising both champions win rates Senna wins against Hwei 1.35% less often than would be expected.
The average opponent winrate against Hwei is 47.54%.


Aurelion Sol
Forgeur d'étoiles
Senna wins against Aurelion Sol 46.63% of the time which is 1.06% lower against Aurelion Sol than the average opponent.
After normalising both champions win rates Senna wins against Aurelion Sol 1.18% less often than would be expected.
The average opponent winrate against Aurelion Sol is 47.69%.


Cassiopeia
Étreinte du serpent
Senna wins against Cassiopeia 46.77% of the time which is 0.21% lower against Cassiopeia than the average opponent.
After normalising both champions win rates Senna wins against Cassiopeia 0.33% less often than would be expected.
The average opponent winrate against Cassiopeia is 46.98%.


Swain
Grand général noxien
Senna wins against Swain 47.37% of the time which is 0.97% higher against Swain than the average opponent.
After normalising both champions win rates Senna wins against Swain 0.85% more often than would be expected.
The average opponent winrate against Swain is 46.40%.


Tristana
Canonnière yordle
Senna wins against Tristana 47.48% of the time which is 1.30% lower against Tristana than the average opponent.
After normalising both champions win rates Senna wins against Tristana 1.42% less often than would be expected.
The average opponent winrate against Tristana is 48.78%.


Smolder
Dragonnet flamboyant
Senna wins against Smolder 48.25% of the time which is 1.01% lower against Smolder than the average opponent.
After normalising both champions win rates Senna wins against Smolder 1.13% less often than would be expected.
The average opponent winrate against Smolder is 49.26%.


Jinx
Gâchette folle
Senna wins against Jinx 48.72% of the time which is 0.07% higher against Jinx than the average opponent.
After normalising both champions win rates Senna wins against Jinx 0.05% less often than would be expected.
The average opponent winrate against Jinx is 48.65%.


Nilah
Joie incarnée
Senna wins against Nilah 48.84% of the time which is 1.61% higher against Nilah than the average opponent.
After normalising both champions win rates Senna wins against Nilah 1.49% more often than would be expected.
The average opponent winrate against Nilah is 47.23%.


Twitch
Semeur de peste
Senna wins against Twitch 49.16% of the time which is 0.45% higher against Twitch than the average opponent.
After normalising both champions win rates Senna wins against Twitch 0.33% more often than would be expected.
The average opponent winrate against Twitch is 48.71%.


Aphelios
Arme des Lunaris
Senna wins against Aphelios 49.30% of the time which is 1.03% 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 50.33%.


Sivir
Vierge martiale
Senna wins against Sivir 49.41% of the time which is 1.15% higher against Sivir than the average opponent.
After normalising both champions win rates Senna wins against Sivir 1.03% more often than would be expected.
The average opponent winrate against Sivir is 48.26%.


Ziggs
Expert des Hexplosifs
Senna wins against Ziggs 49.49% of the time which is 1.13% higher against Ziggs than the average opponent.
After normalising both champions win rates Senna wins against Ziggs 1.01% more often than would be expected.
The average opponent winrate against Ziggs is 48.36%.


Miss Fortune
Chasseuse de primes
Senna wins against Miss Fortune 49.55% of the time which is 0.06% higher against Miss Fortune than the average opponent.
After normalising both champions win rates Senna wins against Miss Fortune 0.06% less often than would be expected.
The average opponent winrate against Miss Fortune is 49.49%.


Veigar
Seigneur des maléfices
Senna wins against Veigar 49.57% of the time which is 1.80% higher against Veigar than the average opponent.
After normalising both champions win rates Senna wins against Veigar 1.68% more often than would be expected.
The average opponent winrate against Veigar is 47.77%.


Kalista
Lance de la vengeance
Senna wins against Kalista 49.72% of the time which is 4.48% lower against Kalista than the average opponent.
After normalising both champions win rates Senna wins against Kalista 4.60% less often than would be expected.
The average opponent winrate against Kalista is 54.20%.


Caitlyn
Shérif de Piltover
Senna wins against Caitlyn 49.73% of the time which is 1.05% lower against Caitlyn than the average opponent.
After normalising both champions win rates Senna wins against Caitlyn 1.17% less often than would be expected.
The average opponent winrate against Caitlyn is 50.78%.


Zeri
Étincelle de Zaun
Senna wins against Zeri 49.75% of the time which is 0.39% higher against Zeri than the average opponent.
After normalising both champions win rates Senna wins against Zeri 0.27% more often than would be expected.
The average opponent winrate against Zeri is 49.36%.


Vayne
Chasseresse nocturne
Senna wins against Vayne 49.85% of the time which is 1.89% higher against Vayne than the average opponent.
After normalising both champions win rates Senna wins against Vayne 1.77% more often than would be expected.
The average opponent winrate against Vayne is 47.96%.


Lucian
Purificateur
Senna wins against Lucian 50.00% of the time which is 0.38% higher against Lucian than the average opponent.
After normalising both champions win rates Senna wins against Lucian 0.26% more often than would be expected.
The average opponent winrate against Lucian is 49.62%.


Jhin
Virtuose
Senna wins against Jhin 50.38% of the time which is 0.26% lower against Jhin than the average opponent.
After normalising both champions win rates Senna wins against Jhin 0.38% less often than would be expected.
The average opponent winrate against Jhin is 50.64%.


Brand
Vengeur flamboyant
Senna wins against Brand 50.41% of the time which is 1.26% higher against Brand than the average opponent.
After normalising both champions win rates Senna wins against Brand 1.14% more often than would be expected.
The average opponent winrate against Brand is 49.15%.


Samira
Rose du désert
Senna wins against Samira 50.56% of the time which is 1.11% higher against Samira than the average opponent.
After normalising both champions win rates Senna wins against Samira 0.99% more often than would be expected.
The average opponent winrate against Samira is 49.45%.


Kai'Sa
Fille du Néant
Senna wins against Kai'Sa 50.64% of the time which is 0.51% higher against Kai'Sa than the average opponent.
After normalising both champions win rates Senna wins against Kai'Sa 0.39% more often than would be expected.
The average opponent winrate against Kai'Sa is 50.13%.


Yunara
Foi inébranlable
Senna wins against Yunara 50.85% of the time which is 1.55% lower against Yunara than the average opponent.
After normalising both champions win rates Senna wins against Yunara 1.67% less often than would be expected.
The average opponent winrate against Yunara is 52.40%.


Ashe
Archère de givre
Senna wins against Ashe 51.00% of the time which is 2.09% higher against Ashe than the average opponent.
After normalising both champions win rates Senna wins against Ashe 1.97% more often than would be expected.
The average opponent winrate against Ashe is 48.91%.


Lux
Dame de lumière
Senna wins against Lux 51.16% of the time which is 3.53% higher against Lux than the average opponent.
After normalising both champions win rates Senna wins against Lux 3.41% more often than would be expected.
The average opponent winrate against Lux is 47.63%.


Draven
Glorieux exécuteur
Senna wins against Draven 51.25% of the time which is 0.42% higher against Draven than the average opponent.
After normalising both champions win rates Senna wins against Draven 0.30% more often than would be expected.
The average opponent winrate against Draven is 50.83%.


Kog'Maw
Gueule des abysses
Senna wins against Kog'Maw 51.76% of the time which is 5.30% higher against Kog'Maw than the average opponent.
After normalising both champions win rates Senna wins against Kog'Maw 5.18% more often than would be expected.
The average opponent winrate against Kog'Maw is 46.46%.


Varus
Flèche de la vengeance
Senna wins against Varus 52.11% of the time which is 0.30% higher against Varus than the average opponent.
After normalising both champions win rates Senna wins against Varus 0.18% more often than would be expected.
The average opponent winrate against Varus is 51.81%.


Xayah
Rebelle
Senna wins against Xayah 52.31% of the time which is 2.50% higher against Xayah than the average opponent.
After normalising both champions win rates Senna wins against Xayah 2.38% more often than would be expected.
The average opponent winrate against Xayah is 49.81%.


Corki
Artilleur téméraire
Senna wins against Corki 52.83% of the time which is 1.50% higher against Corki than the average opponent.
After normalising both champions win rates Senna wins against Corki 1.38% more often than would be expected.
The average opponent winrate against Corki is 51.33%.


Mel
Reflet de l'âme
Senna wins against Mel 53.13% of the time which is 3.00% higher against Mel than the average opponent.
After normalising both champions win rates Senna wins against Mel 2.88% more often than would be expected.
The average opponent winrate against Mel is 50.13%.


Ezreal
Explorateur prodigue
Senna wins against Ezreal 53.84% of the time which is 1.03% higher against Ezreal than the average opponent.
After normalising both champions win rates Senna wins against Ezreal 0.91% more often than would be expected.
The average opponent winrate against Ezreal is 52.81%.


Xerath
Mage suprême
Senna wins against Xerath 54.13% of the time which is 5.91% higher against Xerath than the average opponent.
After normalising both champions win rates Senna wins against Xerath 5.79% more often than would be expected.
The average opponent winrate against Xerath is 48.22%.


Yasuo
Disgracié
Senna wins against Yasuo 54.64% of the time which is 6.45% higher against Yasuo than the average opponent.
After normalising both champions win rates Senna wins against Yasuo 6.33% more often than would be expected.
The average opponent winrate against Yasuo is 48.19%.