

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: 21,495,420
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, Heimerdinger & Xayah. While Senna support is countered most by bottom champions of Lux, Veigar & Séraphine. Below is a detailed breakdown of Senna support counters against bottom champions with a minimum of 100 games.


Lux
Dame de lumière
Senna wins against Lux 38.05% of the time which is 13.65% lower against Lux than the average opponent.
After normalising both champions win rates Senna wins against Lux 8.37% less often than would be expected.
The average opponent winrate against Lux is 51.70%.


Veigar
Seigneur des maléfices
Senna wins against Veigar 41.40% of the time which is 7.47% lower against Veigar than the average opponent.
After normalising both champions win rates Senna wins against Veigar 2.21% less often than would be expected.
The average opponent winrate against Veigar is 48.87%.


Séraphine
Chanteuse rêveuse
Senna wins against Séraphine 41.55% of the time which is 11.74% lower against Séraphine than the average opponent.
After normalising both champions win rates Senna wins against Séraphine 6.47% less often than would be expected.
The average opponent winrate against Séraphine is 53.29%.


Swain
Grand général noxien
Senna wins against Swain 41.67% of the time which is 5.81% lower against Swain than the average opponent.
After normalising both champions win rates Senna wins against Swain 0.57% less often than would be expected.
The average opponent winrate against Swain is 47.48%.


Smolder
Dragonnet flamboyant
Senna wins against Smolder 43.24% of the time which is 6.60% lower against Smolder than the average opponent.
After normalising both champions win rates Senna wins against Smolder 1.33% less often than would be expected.
The average opponent winrate against Smolder is 49.84%.


Ziggs
Expert des Hexplosifs
Senna wins against Ziggs 43.32% of the time which is 5.88% lower against Ziggs than the average opponent.
After normalising both champions win rates Senna wins against Ziggs 0.62% less often than would be expected.
The average opponent winrate against Ziggs is 49.20%.


Kog'Maw
Gueule des abysses
Senna wins against Kog'Maw 44.17% of the time which is 5.22% lower against Kog'Maw than the average opponent.
After normalising both champions win rates Senna wins against Kog'Maw 0.05% more often than would be expected.
The average opponent winrate against Kog'Maw is 49.39%.


Aphelios
Arme des Lunaris
Senna wins against Aphelios 44.26% of the time which is 6.69% lower against Aphelios than the average opponent.
After normalising both champions win rates Senna wins against Aphelios 1.42% less often than would be expected.
The average opponent winrate against Aphelios is 50.95%.


Jhin
Virtuose
Senna wins against Jhin 44.28% of the time which is 6.62% lower against Jhin than the average opponent.
After normalising both champions win rates Senna wins against Jhin 1.35% less often than would be expected.
The average opponent winrate against Jhin is 50.90%.


Teemo
Éclaireur de Bandle
Senna wins against Teemo 44.81% of the time which is 5.13% lower against Teemo than the average opponent.
After normalising both champions win rates Senna wins against Teemo 0.14% more often than would be expected.
The average opponent winrate against Teemo is 49.94%.


Miss Fortune
Chasseuse de primes
Senna wins against Miss Fortune 44.86% of the time which is 5.36% lower against Miss Fortune than the average opponent.
After normalising both champions win rates Senna wins against Miss Fortune 0.09% less often than would be expected.
The average opponent winrate against Miss Fortune is 50.22%.


Caitlyn
Shérif de Piltover
Senna wins against Caitlyn 45.16% of the time which is 6.44% lower against Caitlyn than the average opponent.
After normalising both champions win rates Senna wins against Caitlyn 1.16% less often than would be expected.
The average opponent winrate against Caitlyn is 51.60%.


Jinx
Gâchette folle
Senna wins against Jinx 45.18% of the time which is 5.44% lower against Jinx than the average opponent.
After normalising both champions win rates Senna wins against Jinx 0.17% less often than would be expected.
The average opponent winrate against Jinx is 50.62%.


Hwei
Visionnaire
Senna wins against Hwei 45.19% of the time which is 4.24% lower against Hwei than the average opponent.
After normalising both champions win rates Senna wins against Hwei 1.03% more often than would be expected.
The average opponent winrate against Hwei is 49.43%.


Ashe
Archère de givre
Senna wins against Ashe 45.62% of the time which is 5.58% lower against Ashe than the average opponent.
After normalising both champions win rates Senna wins against Ashe 0.30% less often than would be expected.
The average opponent winrate against Ashe is 51.20%.


Samira
Rose du désert
Senna wins against Samira 45.81% of the time which is 5.19% lower against Samira than the average opponent.
After normalising both champions win rates Senna wins against Samira 0.08% more often than would be expected.
The average opponent winrate against Samira is 51.00%.


Kai'Sa
Fille du Néant
Senna wins against Kai'Sa 45.94% of the time which is 5.95% lower against Kai'Sa than the average opponent.
After normalising both champions win rates Senna wins against Kai'Sa 0.67% less often than would be expected.
The average opponent winrate against Kai'Sa is 51.89%.


Twitch
Semeur de peste
Senna wins against Twitch 45.99% of the time which is 5.22% lower against Twitch than the average opponent.
After normalising both champions win rates Senna wins against Twitch 0.06% more often than would be expected.
The average opponent winrate against Twitch is 51.21%.


Nilah
Joie incarnée
Senna wins against Nilah 46.09% of the time which is 2.86% lower against Nilah than the average opponent.
After normalising both champions win rates Senna wins against Nilah 2.40% more often than would be expected.
The average opponent winrate against Nilah is 48.95%.


Zeri
Étincelle de Zaun
Senna wins against Zeri 46.29% of the time which is 5.95% lower against Zeri than the average opponent.
After normalising both champions win rates Senna wins against Zeri 0.67% less often than would be expected.
The average opponent winrate against Zeri is 52.24%.


Vayne
Chasseresse nocturne
Senna wins against Vayne 46.75% of the time which is 3.80% lower against Vayne than the average opponent.
After normalising both champions win rates Senna wins against Vayne 1.47% more often than would be expected.
The average opponent winrate against Vayne is 50.55%.


Draven
Glorieux exécuteur
Senna wins against Draven 46.85% of the time which is 6.83% lower against Draven than the average opponent.
After normalising both champions win rates Senna wins against Draven 1.56% less often than would be expected.
The average opponent winrate against Draven is 53.68%.


Sivir
Vierge martiale
Senna wins against Sivir 46.91% of the time which is 3.29% lower against Sivir than the average opponent.
After normalising both champions win rates Senna wins against Sivir 1.98% more often than would be expected.
The average opponent winrate against Sivir is 50.20%.


Lucian
Purificateur
Senna wins against Lucian 47.16% of the time which is 5.98% lower against Lucian than the average opponent.
After normalising both champions win rates Senna wins against Lucian 0.71% less often than would be expected.
The average opponent winrate against Lucian is 53.14%.


Brand
Vengeur flamboyant
Senna wins against Brand 47.37% of the time which is 3.59% lower against Brand than the average opponent.
After normalising both champions win rates Senna wins against Brand 1.68% more often than would be expected.
The average opponent winrate against Brand is 50.96%.


Ezreal
Explorateur prodigue
Senna wins against Ezreal 47.80% of the time which is 5.78% lower against Ezreal than the average opponent.
After normalising both champions win rates Senna wins against Ezreal 0.51% less often than would be expected.
The average opponent winrate against Ezreal is 53.58%.


Yunara
Foi inébranlable
Senna wins against Yunara 47.92% of the time which is 4.35% lower against Yunara than the average opponent.
After normalising both champions win rates Senna wins against Yunara 0.93% more often than would be expected.
The average opponent winrate against Yunara is 52.27%.


Corki
Artilleur téméraire
Senna wins against Corki 47.96% of the time which is 6.65% lower against Corki than the average opponent.
After normalising both champions win rates Senna wins against Corki 1.38% less often than would be expected.
The average opponent winrate against Corki is 54.61%.


Varus
Flèche de la vengeance
Senna wins against Varus 48.27% of the time which is 5.40% lower against Varus than the average opponent.
After normalising both champions win rates Senna wins against Varus 0.13% less often than would be expected.
The average opponent winrate against Varus is 53.67%.


Tristana
Canonnière yordle
Senna wins against Tristana 48.30% of the time which is 4.42% lower against Tristana than the average opponent.
After normalising both champions win rates Senna wins against Tristana 0.86% more often than would be expected.
The average opponent winrate against Tristana is 52.72%.


Yasuo
Disgracié
Senna wins against Yasuo 48.77% of the time which is 1.49% lower against Yasuo than the average opponent.
After normalising both champions win rates Senna wins against Yasuo 3.78% more often than would be expected.
The average opponent winrate against Yasuo is 50.26%.


Mel
Reflet de l'âme
Senna wins against Mel 49.34% of the time which is 2.75% lower against Mel than the average opponent.
After normalising both champions win rates Senna wins against Mel 2.53% more often than would be expected.
The average opponent winrate against Mel is 52.09%.


Xayah
Rebelle
Senna wins against Xayah 49.69% of the time which is 2.40% lower against Xayah than the average opponent.
After normalising both champions win rates Senna wins against Xayah 2.88% more often than would be expected.
The average opponent winrate against Xayah is 52.09%.


Heimerdinger
Inventeur réputé
Senna wins against Heimerdinger 50.00% of the time which is 1.77% higher against Heimerdinger than the average opponent.
After normalising both champions win rates Senna wins against Heimerdinger 7.02% more often than would be expected.
The average opponent winrate against Heimerdinger is 48.23%.


Kalista
Lance de la vengeance
Senna wins against Kalista 53.02% of the time which is 2.37% lower against Kalista than the average opponent.
After normalising both champions win rates Senna wins against Kalista 2.89% more often than would be expected.
The average opponent winrate against Kalista is 55.39%.