

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: 14,980,027
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 support Counters
Senna support on Patch 30 is the strongest counter to support champions of Miss Fortune, Cho'Gath & Yuumi. While Senna support is countered most by support champions of Sylas, Sion & Ziggs. Below is a detailed breakdown of Senna support counters against support champions with a minimum of 100 games.


Sylas
Révolutionnaire déchaîné
Senna wins against Sylas 35.32% of the time which is 18.35% lower against Sylas than the average opponent.
After normalising both champions win rates Senna wins against Sylas 9.75% less often than would be expected.
The average opponent winrate against Sylas is 53.67%.


Sion
Colosse mort-vivant
Senna wins against Sion 37.14% of the time which is 12.36% lower against Sion than the average opponent.
After normalising both champions win rates Senna wins against Sion 3.78% less often than would be expected.
The average opponent winrate against Sion is 49.50%.


Ziggs
Expert des Hexplosifs
Senna wins against Ziggs 39.02% of the time which is 15.70% lower against Ziggs than the average opponent.
After normalising both champions win rates Senna wins against Ziggs 7.11% less often than would be expected.
The average opponent winrate against Ziggs is 54.72%.


Zoé
Manifestation du Crépuscule
Senna wins against Zoé 39.20% of the time which is 15.07% lower against Zoé than the average opponent.
After normalising both champions win rates Senna wins against Zoé 6.47% less often than would be expected.
The average opponent winrate against Zoé is 54.27%.


Heimerdinger
Inventeur réputé
Senna wins against Heimerdinger 40.11% of the time which is 12.45% lower against Heimerdinger than the average opponent.
After normalising both champions win rates Senna wins against Heimerdinger 3.85% less often than would be expected.
The average opponent winrate against Heimerdinger is 52.56%.


Taric
Bouclier de Valoran
Senna wins against Taric 40.31% of the time which is 9.82% lower against Taric than the average opponent.
After normalising both champions win rates Senna wins against Taric 1.23% less often than would be expected.
The average opponent winrate against Taric is 50.13%.


Swain
Grand général noxien
Senna wins against Swain 41.65% of the time which is 10.64% lower against Swain than the average opponent.
After normalising both champions win rates Senna wins against Swain 2.04% less often than would be expected.
The average opponent winrate against Swain is 52.29%.


Vel'Koz
Œil du Néant
Senna wins against Vel'Koz 41.86% of the time which is 10.42% lower against Vel'Koz than the average opponent.
After normalising both champions win rates Senna wins against Vel'Koz 1.82% less often than would be expected.
The average opponent winrate against Vel'Koz is 52.28%.


Milio
Douce flamme
Senna wins against Milio 41.86% of the time which is 8.32% lower against Milio than the average opponent.
After normalising both champions win rates Senna wins against Milio 0.27% more often than would be expected.
The average opponent winrate against Milio is 50.18%.


Brand
Vengeur flamboyant
Senna wins against Brand 41.86% of the time which is 9.28% lower against Brand than the average opponent.
After normalising both champions win rates Senna wins against Brand 0.68% less often than would be expected.
The average opponent winrate against Brand is 51.14%.


Zyra
Dame aux ronces
Senna wins against Zyra 42.35% of the time which is 7.96% lower against Zyra than the average opponent.
After normalising both champions win rates Senna wins against Zyra 0.63% more often than would be expected.
The average opponent winrate against Zyra is 50.31%.


Amumu
Momie mélancolique
Senna wins against Amumu 42.44% of the time which is 8.89% lower against Amumu than the average opponent.
After normalising both champions win rates Senna wins against Amumu 0.29% less often than would be expected.
The average opponent winrate against Amumu is 51.33%.


Lux
Dame de lumière
Senna wins against Lux 42.49% of the time which is 9.73% lower against Lux than the average opponent.
After normalising both champions win rates Senna wins against Lux 1.13% less often than would be expected.
The average opponent winrate against Lux is 52.22%.


LeBlanc
Manipulatrice
Senna wins against LeBlanc 42.73% of the time which is 9.66% lower against LeBlanc than the average opponent.
After normalising both champions win rates Senna wins against LeBlanc 1.06% less often than would be expected.
The average opponent winrate against LeBlanc is 52.39%.


Veigar
Seigneur des maléfices
Senna wins against Veigar 42.76% of the time which is 11.07% lower against Veigar than the average opponent.
After normalising both champions win rates Senna wins against Veigar 2.47% less often than would be expected.
The average opponent winrate against Veigar is 53.83%.


Nami
Aquamancienne
Senna wins against Nami 43.02% of the time which is 8.52% lower against Nami than the average opponent.
After normalising both champions win rates Senna wins against Nami 0.08% more often than would be expected.
The average opponent winrate against Nami is 51.54%.


Morgana
Déchue
Senna wins against Morgana 43.22% of the time which is 8.08% lower against Morgana than the average opponent.
After normalising both champions win rates Senna wins against Morgana 0.52% more often than would be expected.
The average opponent winrate against Morgana is 51.30%.


Galio
Colosse
Senna wins against Galio 43.37% of the time which is 7.96% lower against Galio than the average opponent.
After normalising both champions win rates Senna wins against Galio 0.64% more often than would be expected.
The average opponent winrate against Galio is 51.33%.


Zilean
Gardien du Temps
Senna wins against Zilean 43.52% of the time which is 10.39% lower against Zilean than the average opponent.
After normalising both champions win rates Senna wins against Zilean 1.79% less often than would be expected.
The average opponent winrate against Zilean is 53.91%.


Thresh
Garde aux chaînes
Senna wins against Thresh 43.58% of the time which is 9.98% lower against Thresh than the average opponent.
After normalising both champions win rates Senna wins against Thresh 1.38% less often than would be expected.
The average opponent winrate against Thresh is 53.56%.


Leona
Aube radieuse
Senna wins against Leona 43.89% of the time which is 7.44% lower against Leona than the average opponent.
After normalising both champions win rates Senna wins against Leona 1.16% more often than would be expected.
The average opponent winrate against Leona is 51.33%.


Nautilus
Titan des profondeurs
Senna wins against Nautilus 44.35% of the time which is 9.06% lower against Nautilus than the average opponent.
After normalising both champions win rates Senna wins against Nautilus 0.46% less often than would be expected.
The average opponent winrate against Nautilus is 53.41%.


Teemo
Éclaireur de Bandle
Senna wins against Teemo 44.35% of the time which is 4.89% lower against Teemo than the average opponent.
After normalising both champions win rates Senna wins against Teemo 3.69% more often than would be expected.
The average opponent winrate against Teemo is 49.24%.


Shaco
Bouffon des ténèbres
Senna wins against Shaco 44.41% of the time which is 7.73% lower against Shaco than the average opponent.
After normalising both champions win rates Senna wins against Shaco 0.87% more often than would be expected.
The average opponent winrate against Shaco is 52.14%.


Xerath
Mage suprême
Senna wins against Xerath 44.46% of the time which is 7.79% lower against Xerath than the average opponent.
After normalising both champions win rates Senna wins against Xerath 0.81% more often than would be expected.
The average opponent winrate against Xerath is 52.25%.


Neeko
Caméléon curieux
Senna wins against Neeko 44.52% of the time which is 9.52% lower against Neeko than the average opponent.
After normalising both champions win rates Senna wins against Neeko 0.92% less often than would be expected.
The average opponent winrate against Neeko is 54.04%.


Lee Sin
Moine aveugle
Senna wins against Lee Sin 44.55% of the time which is 11.88% lower against Lee Sin than the average opponent.
After normalising both champions win rates Senna wins against Lee Sin 3.31% less often than would be expected.
The average opponent winrate against Lee Sin is 56.43%.


Anivia
Cryophénix
Senna wins against Anivia 44.55% of the time which is 10.93% lower against Anivia than the average opponent.
After normalising both champions win rates Senna wins against Anivia 2.35% less often than would be expected.
The average opponent winrate against Anivia is 55.48%.


Maokai
Tréant torturé
Senna wins against Maokai 44.68% of the time which is 7.02% lower against Maokai than the average opponent.
After normalising both champions win rates Senna wins against Maokai 1.58% more often than would be expected.
The average opponent winrate against Maokai is 51.70%.


Blitzcrank
Golem de vapeur
Senna wins against Blitzcrank 44.68% of the time which is 8.73% lower against Blitzcrank than the average opponent.
After normalising both champions win rates Senna wins against Blitzcrank 0.13% less often than would be expected.
The average opponent winrate against Blitzcrank is 53.41%.


Poppy
Gardienne du marteau
Senna wins against Poppy 44.73% of the time which is 7.49% lower against Poppy than the average opponent.
After normalising both champions win rates Senna wins against Poppy 1.11% more often than would be expected.
The average opponent winrate against Poppy is 52.22%.


Pyke
Éventreur des abysses
Senna wins against Pyke 44.88% of the time which is 10.05% lower against Pyke than the average opponent.
After normalising both champions win rates Senna wins against Pyke 1.46% less often than would be expected.
The average opponent winrate against Pyke is 54.93%.


Nidalee
Chasseresse bestiale
Senna wins against Nidalee 44.95% of the time which is 9.98% lower against Nidalee than the average opponent.
After normalising both champions win rates Senna wins against Nidalee 1.39% less often than would be expected.
The average opponent winrate against Nidalee is 54.93%.


Tahm Kench
Roi des rivières
Senna wins against Tahm Kench 45.14% of the time which is 8.52% lower against Tahm Kench than the average opponent.
After normalising both champions win rates Senna wins against Tahm Kench 0.08% more often than would be expected.
The average opponent winrate against Tahm Kench is 53.66%.


Pantheon
Lance éternelle
Senna wins against Pantheon 45.27% of the time which is 8.37% lower against Pantheon than the average opponent.
After normalising both champions win rates Senna wins against Pantheon 0.23% more often than would be expected.
The average opponent winrate against Pantheon is 53.64%.


Séraphine
Chanteuse rêveuse
Senna wins against Séraphine 45.51% of the time which is 8.39% lower against Séraphine than the average opponent.
After normalising both champions win rates Senna wins against Séraphine 0.21% more often than would be expected.
The average opponent winrate against Séraphine is 53.90%.


Karma
Sagesse incarnée
Senna wins against Karma 45.67% of the time which is 8.34% lower against Karma than the average opponent.
After normalising both champions win rates Senna wins against Karma 0.26% more often than would be expected.
The average opponent winrate against Karma is 54.01%.


Shen
Œil du crépuscule
Senna wins against Shen 45.77% of the time which is 5.41% lower against Shen than the average opponent.
After normalising both champions win rates Senna wins against Shen 3.19% more often than would be expected.
The average opponent winrate against Shen is 51.18%.


Alistar
Minotaure
Senna wins against Alistar 46.08% of the time which is 7.85% lower against Alistar than the average opponent.
After normalising both champions win rates Senna wins against Alistar 0.75% more often than would be expected.
The average opponent winrate against Alistar is 53.93%.


Sett
Patron
Senna wins against Sett 46.10% of the time which is 4.94% lower against Sett than the average opponent.
After normalising both champions win rates Senna wins against Sett 3.66% more often than would be expected.
The average opponent winrate against Sett is 51.04%.


Mel
Reflet de l'âme
Senna wins against Mel 46.47% of the time which is 8.56% lower against Mel than the average opponent.
After normalising both champions win rates Senna wins against Mel 0.03% more often than would be expected.
The average opponent winrate against Mel is 55.03%.


Braum
Cœur de Freljord
Senna wins against Braum 46.67% of the time which is 6.42% lower against Braum than the average opponent.
After normalising both champions win rates Senna wins against Braum 2.18% more often than would be expected.
The average opponent winrate against Braum is 53.09%.


Soraka
Enfant des étoiles
Senna wins against Soraka 46.90% of the time which is 5.46% lower against Soraka than the average opponent.
After normalising both champions win rates Senna wins against Soraka 3.14% more often than would be expected.
The average opponent winrate against Soraka is 52.36%.


Renata Glasc
Baronne de la chimie
Senna wins against Renata Glasc 47.18% of the time which is 6.39% lower against Renata Glasc than the average opponent.
After normalising both champions win rates Senna wins against Renata Glasc 2.21% more often than would be expected.
The average opponent winrate against Renata Glasc is 53.57%.


Fiddlesticks
Effroi nocturne
Senna wins against Fiddlesticks 47.28% of the time which is 3.96% lower against Fiddlesticks than the average opponent.
After normalising both champions win rates Senna wins against Fiddlesticks 4.64% more often than would be expected.
The average opponent winrate against Fiddlesticks is 51.24%.


Lulu
Sorcière féérique
Senna wins against Lulu 47.38% of the time which is 7.63% lower against Lulu than the average opponent.
After normalising both champions win rates Senna wins against Lulu 0.96% more often than would be expected.
The average opponent winrate against Lulu is 55.01%.


Janna
Avatar de l'air
Senna wins against Janna 47.43% of the time which is 5.83% lower against Janna than the average opponent.
After normalising both champions win rates Senna wins against Janna 2.77% more often than would be expected.
The average opponent winrate against Janna is 53.26%.


Ashe
Archère de givre
Senna wins against Ashe 47.44% of the time which is 9.34% lower against Ashe than the average opponent.
After normalising both champions win rates Senna wins against Ashe 0.77% less often than would be expected.
The average opponent winrate against Ashe is 56.78%.


Sona
Virtuose de la harpe
Senna wins against Sona 47.57% of the time which is 3.92% lower against Sona than the average opponent.
After normalising both champions win rates Senna wins against Sona 4.68% more often than would be expected.
The average opponent winrate against Sona is 51.49%.


Rell
Vierge de fer
Senna wins against Rell 47.83% of the time which is 4.42% lower against Rell than the average opponent.
After normalising both champions win rates Senna wins against Rell 4.18% more often than would be expected.
The average opponent winrate against Rell is 52.25%.


Rakan
Charmeur
Senna wins against Rakan 48.67% of the time which is 5.60% lower against Rakan than the average opponent.
After normalising both champions win rates Senna wins against Rakan 3.00% more often than would be expected.
The average opponent winrate against Rakan is 54.27%.


Hwei
Visionnaire
Senna wins against Hwei 49.08% of the time which is 4.86% lower against Hwei than the average opponent.
After normalising both champions win rates Senna wins against Hwei 3.74% more often than would be expected.
The average opponent winrate against Hwei is 53.94%.


Malphite
Éclat du monolithe
Senna wins against Malphite 49.43% of the time which is 3.45% lower against Malphite than the average opponent.
After normalising both champions win rates Senna wins against Malphite 5.15% more often than would be expected.
The average opponent winrate against Malphite is 52.88%.


Twitch
Semeur de peste
Senna wins against Twitch 50.77% of the time which is 7.58% lower against Twitch than the average opponent.
After normalising both champions win rates Senna wins against Twitch 0.95% more often than would be expected.
The average opponent winrate against Twitch is 58.35%.


Bard
Gardien errant
Senna wins against Bard 51.72% of the time which is 3.78% lower against Bard than the average opponent.
After normalising both champions win rates Senna wins against Bard 4.80% more often than would be expected.
The average opponent winrate against Bard is 55.50%.


Yuumi
Gardienne du Grimoire
Senna wins against Yuumi 53.22% of the time which is 4.81% lower against Yuumi than the average opponent.
After normalising both champions win rates Senna wins against Yuumi 3.73% more often than would be expected.
The average opponent winrate against Yuumi is 58.03%.


Cho'Gath
Terreur noire
Senna wins against Cho'Gath 53.43% of the time which is 0.45% higher against Cho'Gath than the average opponent.
After normalising both champions win rates Senna wins against Cho'Gath 9.05% more often than would be expected.
The average opponent winrate against Cho'Gath is 52.98%.


Miss Fortune
Chasseuse de primes
Senna wins against Miss Fortune 54.30% of the time which is 3.58% lower against Miss Fortune than the average opponent.
After normalising both champions win rates Senna wins against Miss Fortune 4.96% more often than would be expected.
The average opponent winrate against Miss Fortune is 57.88%.