

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: 12,762,541
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 15.4 is the strongest counter to support champions of Miss Fortune, Ashe & Bardo. While Senna support is countered most by support champions of Heimerdinger, Amumu & Sylas. Below is a detailed breakdown of Senna support counters against support champions with a minimum of 100 games.


Heimerdinger
el Venerable Inventor
Senna wins against Heimerdinger 36.02% of the time which is 15.01% lower against Heimerdinger than the average opponent.
After normalising both champions win rates Senna wins against Heimerdinger 7.13% less often than would be expected.
The average opponent winrate against Heimerdinger is 51.03%.


Amumu
la Momia Triste
Senna wins against Amumu 38.50% of the time which is 14.50% lower against Amumu than the average opponent.
After normalising both champions win rates Senna wins against Amumu 6.62% less often than would be expected.
The average opponent winrate against Amumu is 53.00%.


Sylas
el Usurpador
Senna wins against Sylas 39.33% of the time which is 15.16% lower against Sylas than the average opponent.
After normalising both champions win rates Senna wins against Sylas 7.29% less often than would be expected.
The average opponent winrate against Sylas is 54.49%.


LeBlanc
la Maquiavélica
Senna wins against LeBlanc 40.00% of the time which is 11.68% lower against LeBlanc than the average opponent.
After normalising both champions win rates Senna wins against LeBlanc 3.80% less often than would be expected.
The average opponent winrate against LeBlanc is 51.68%.


Shaco
el Bufón Siniestro
Senna wins against Shaco 41.59% of the time which is 8.79% lower against Shaco than the average opponent.
After normalising both champions win rates Senna wins against Shaco 0.92% less often than would be expected.
The average opponent winrate against Shaco is 50.38%.


Braum
el Corazón del Fréljord
Senna wins against Braum 41.90% of the time which is 10.67% lower against Braum than the average opponent.
After normalising both champions win rates Senna wins against Braum 2.79% less often than would be expected.
The average opponent winrate against Braum is 52.57%.


Brand
la Venganza Ardiente
Senna wins against Brand 42.16% of the time which is 9.12% lower against Brand than the average opponent.
After normalising both champions win rates Senna wins against Brand 1.24% less often than would be expected.
The average opponent winrate against Brand is 51.28%.


Zyra
el Despertar de las Espinas
Senna wins against Zyra 42.27% of the time which is 8.52% lower against Zyra than the average opponent.
After normalising both champions win rates Senna wins against Zyra 0.64% less often than would be expected.
The average opponent winrate against Zyra is 50.79%.


Janna
la Furia de la Tormenta
Senna wins against Janna 42.57% of the time which is 11.77% lower against Janna than the average opponent.
After normalising both champions win rates Senna wins against Janna 3.90% less often than would be expected.
The average opponent winrate against Janna is 54.34%.


Lux
la Dama Luminosa
Senna wins against Lux 42.58% of the time which is 9.71% lower against Lux than the average opponent.
After normalising both champions win rates Senna wins against Lux 1.83% less often than would be expected.
The average opponent winrate against Lux is 52.29%.


Nami
la Invocadora de Mareas
Senna wins against Nami 42.84% of the time which is 9.06% lower against Nami than the average opponent.
After normalising both champions win rates Senna wins against Nami 1.18% less often than would be expected.
The average opponent winrate against Nami is 51.90%.


Xerath
el Mago Ascendente
Senna wins against Xerath 43.06% of the time which is 8.75% lower against Xerath than the average opponent.
After normalising both champions win rates Senna wins against Xerath 0.87% less often than would be expected.
The average opponent winrate against Xerath is 51.81%.


Swain
el Gran General Noxiano
Senna wins against Swain 43.22% of the time which is 7.73% lower against Swain than the average opponent.
After normalising both champions win rates Senna wins against Swain 0.15% more often than would be expected.
The average opponent winrate against Swain is 50.95%.


Cho'Gath
el Terror del Vacío
Senna wins against Cho'Gath 43.28% of the time which is 8.95% lower against Cho'Gath than the average opponent.
After normalising both champions win rates Senna wins against Cho'Gath 1.07% less often than would be expected.
The average opponent winrate against Cho'Gath is 52.23%.


Milio
La Flama Gentil
Senna wins against Milio 43.39% of the time which is 7.68% lower against Milio than the average opponent.
After normalising both champions win rates Senna wins against Milio 0.20% more often than would be expected.
The average opponent winrate against Milio is 51.07%.


Poppy
la Guardiana del Martillo
Senna wins against Poppy 43.40% of the time which is 9.02% lower against Poppy than the average opponent.
After normalising both champions win rates Senna wins against Poppy 1.14% less often than would be expected.
The average opponent winrate against Poppy is 52.42%.


Sona
la Virtuosa de las Cuerdas
Senna wins against Sona 43.53% of the time which is 8.22% lower against Sona than the average opponent.
After normalising both champions win rates Senna wins against Sona 0.34% less often than would be expected.
The average opponent winrate against Sona is 51.75%.


Hwei
el Visionario
Senna wins against Hwei 43.56% of the time which is 9.55% lower against Hwei than the average opponent.
After normalising both champions win rates Senna wins against Hwei 1.67% less often than would be expected.
The average opponent winrate against Hwei is 53.11%.


Taric
el Escudo de Valoran
Senna wins against Taric 43.58% of the time which is 7.20% lower against Taric than the average opponent.
After normalising both champions win rates Senna wins against Taric 0.68% more often than would be expected.
The average opponent winrate against Taric is 50.78%.


Leona
el Radiante Amanecer
Senna wins against Leona 44.18% of the time which is 8.32% lower against Leona than the average opponent.
After normalising both champions win rates Senna wins against Leona 0.44% less often than would be expected.
The average opponent winrate against Leona is 52.50%.


Veigar
el Pequeño Maestro del Mal
Senna wins against Veigar 44.74% of the time which is 8.23% lower against Veigar than the average opponent.
After normalising both champions win rates Senna wins against Veigar 0.35% less often than would be expected.
The average opponent winrate against Veigar is 52.97%.


Morgana
la Desolada
Senna wins against Morgana 44.75% of the time which is 6.54% lower against Morgana than the average opponent.
After normalising both champions win rates Senna wins against Morgana 1.34% more often than would be expected.
The average opponent winrate against Morgana is 51.29%.


Teemo
el Explorador Veloz
Senna wins against Teemo 44.80% of the time which is 4.39% lower against Teemo than the average opponent.
After normalising both champions win rates Senna wins against Teemo 3.47% more often than would be expected.
The average opponent winrate against Teemo is 49.19%.


Nautilus
el Titán de las Profundidades
Senna wins against Nautilus 44.99% of the time which is 8.51% lower against Nautilus than the average opponent.
After normalising both champions win rates Senna wins against Nautilus 0.63% less often than would be expected.
The average opponent winrate against Nautilus is 53.50%.


Blitzcrank
el Gran Gólem de Vapor
Senna wins against Blitzcrank 45.12% of the time which is 8.87% lower against Blitzcrank than the average opponent.
After normalising both champions win rates Senna wins against Blitzcrank 1.00% less often than would be expected.
The average opponent winrate against Blitzcrank is 53.99%.


Neeko
la Camaleón Curiosa
Senna wins against Neeko 45.30% of the time which is 8.46% lower against Neeko than the average opponent.
After normalising both champions win rates Senna wins against Neeko 0.59% less often than would be expected.
The average opponent winrate against Neeko is 53.76%.


Anivia
la Criofénix
Senna wins against Anivia 45.31% of the time which is 12.01% lower against Anivia than the average opponent.
After normalising both champions win rates Senna wins against Anivia 4.18% less often than would be expected.
The average opponent winrate against Anivia is 57.32%.


Thresh
el Carcelero Implacable
Senna wins against Thresh 45.37% of the time which is 8.39% lower against Thresh than the average opponent.
After normalising both champions win rates Senna wins against Thresh 0.52% less often than would be expected.
The average opponent winrate against Thresh is 53.76%.


Vel'Koz
el Ojo del Vacío
Senna wins against Vel'Koz 45.60% of the time which is 6.35% lower against Vel'Koz than the average opponent.
After normalising both champions win rates Senna wins against Vel'Koz 1.53% more often than would be expected.
The average opponent winrate against Vel'Koz is 51.95%.


Zilean
el Guardián del Tiempo
Senna wins against Zilean 45.73% of the time which is 8.10% lower against Zilean than the average opponent.
After normalising both champions win rates Senna wins against Zilean 0.23% less often than would be expected.
The average opponent winrate against Zilean is 53.83%.


Tahm Kench
El Rey del Río
Senna wins against Tahm Kench 45.81% of the time which is 7.59% lower against Tahm Kench than the average opponent.
After normalising both champions win rates Senna wins against Tahm Kench 0.29% more often than would be expected.
The average opponent winrate against Tahm Kench is 53.40%.


Pantheon
la Lanza Inquebrantable
Senna wins against Pantheon 45.88% of the time which is 7.34% lower against Pantheon than the average opponent.
After normalising both champions win rates Senna wins against Pantheon 0.54% more often than would be expected.
The average opponent winrate against Pantheon is 53.22%.


Shen
el Ojo del Crepúsculo
Senna wins against Shen 46.11% of the time which is 5.74% lower against Shen than the average opponent.
After normalising both champions win rates Senna wins against Shen 2.14% more often than would be expected.
The average opponent winrate against Shen is 51.85%.


Fiddlesticks
el Terror Ancestral
Senna wins against Fiddlesticks 46.46% of the time which is 5.93% lower against Fiddlesticks than the average opponent.
After normalising both champions win rates Senna wins against Fiddlesticks 1.95% more often than would be expected.
The average opponent winrate against Fiddlesticks is 52.39%.


Seraphine
la Cantante Soñadora
Senna wins against Seraphine 46.61% of the time which is 6.56% lower against Seraphine than the average opponent.
After normalising both champions win rates Senna wins against Seraphine 1.32% more often than would be expected.
The average opponent winrate against Seraphine is 53.17%.


Pyke
el Destripador del Muelle Rojo
Senna wins against Pyke 46.70% of the time which is 8.30% lower against Pyke than the average opponent.
After normalising both champions win rates Senna wins against Pyke 0.44% less often than would be expected.
The average opponent winrate against Pyke is 55.00%.


Malphite
el Fragmento del Monolito
Senna wins against Malphite 46.92% of the time which is 5.64% lower against Malphite than the average opponent.
After normalising both champions win rates Senna wins against Malphite 2.24% more often than would be expected.
The average opponent winrate against Malphite is 52.56%.


Maokai
el Treant Retorcido
Senna wins against Maokai 47.17% of the time which is 4.65% lower against Maokai than the average opponent.
After normalising both champions win rates Senna wins against Maokai 3.23% more often than would be expected.
The average opponent winrate against Maokai is 51.82%.


Elise
la Reina de las Arañas
Senna wins against Elise 47.47% of the time which is 9.04% lower against Elise than the average opponent.
After normalising both champions win rates Senna wins against Elise 1.19% less often than would be expected.
The average opponent winrate against Elise is 56.51%.


Lulu
La Hechicera Hadística
Senna wins against Lulu 47.63% of the time which is 6.94% lower against Lulu than the average opponent.
After normalising both champions win rates Senna wins against Lulu 0.93% more often than would be expected.
The average opponent winrate against Lulu is 54.57%.


Rell
la Doncella de Hierro
Senna wins against Rell 47.68% of the time which is 3.96% lower against Rell than the average opponent.
After normalising both champions win rates Senna wins against Rell 3.92% more often than would be expected.
The average opponent winrate against Rell is 51.64%.


Sion
el Coloso no Muerto
Senna wins against Sion 47.76% of the time which is 1.67% lower against Sion than the average opponent.
After normalising both champions win rates Senna wins against Sion 6.19% more often than would be expected.
The average opponent winrate against Sion is 49.43%.


Soraka
la Hija de las Estrellas
Senna wins against Soraka 47.86% of the time which is 5.86% lower against Soraka than the average opponent.
After normalising both champions win rates Senna wins against Soraka 2.01% more often than would be expected.
The average opponent winrate against Soraka is 53.72%.


Karma
la Iluminada
Senna wins against Karma 47.88% of the time which is 5.54% lower against Karma than the average opponent.
After normalising both champions win rates Senna wins against Karma 2.34% more often than would be expected.
The average opponent winrate against Karma is 53.42%.


Alistar
el Minotauro
Senna wins against Alistar 48.50% of the time which is 5.20% lower against Alistar than the average opponent.
After normalising both champions win rates Senna wins against Alistar 2.67% more often than would be expected.
The average opponent winrate against Alistar is 53.70%.


Renata Glasc
la Quimobaronesa
Senna wins against Renata Glasc 48.89% of the time which is 5.52% lower against Renata Glasc than the average opponent.
After normalising both champions win rates Senna wins against Renata Glasc 2.35% more often than would be expected.
The average opponent winrate against Renata Glasc is 54.41%.


Sett
El Jefe
Senna wins against Sett 48.91% of the time which is 3.46% lower against Sett than the average opponent.
After normalising both champions win rates Senna wins against Sett 4.42% more often than would be expected.
The average opponent winrate against Sett is 52.37%.


Ziggs
el Experto en Hexplosivos
Senna wins against Ziggs 49.03% of the time which is 4.51% lower against Ziggs than the average opponent.
After normalising both champions win rates Senna wins against Ziggs 3.37% more often than would be expected.
The average opponent winrate against Ziggs is 53.54%.


Mel
el Reflejo del Alma
Senna wins against Mel 50.14% of the time which is 5.32% lower against Mel than the average opponent.
After normalising both champions win rates Senna wins against Mel 2.54% more often than would be expected.
The average opponent winrate against Mel is 55.46%.


Yuumi
la gatita mágica
Senna wins against Yuumi 50.27% of the time which is 5.34% lower against Yuumi than the average opponent.
After normalising both champions win rates Senna wins against Yuumi 2.52% more often than would be expected.
The average opponent winrate against Yuumi is 55.61%.


Rakan
El Encantador
Senna wins against Rakan 50.29% of the time which is 2.96% lower against Rakan than the average opponent.
After normalising both champions win rates Senna wins against Rakan 4.92% more often than would be expected.
The average opponent winrate against Rakan is 53.25%.


Galio
el Coloso
Senna wins against Galio 50.57% of the time which is 1.47% lower against Galio than the average opponent.
After normalising both champions win rates Senna wins against Galio 6.41% more often than would be expected.
The average opponent winrate against Galio is 52.04%.


Zoe
el Aspecto del Crepúsculo
Senna wins against Zoe 50.72% of the time which is 4.54% lower against Zoe than the average opponent.
After normalising both champions win rates Senna wins against Zoe 3.32% more often than would be expected.
The average opponent winrate against Zoe is 55.26%.


Bardo
el Guardián Trotamundos
Senna wins against Bardo 51.54% of the time which is 3.92% lower against Bardo than the average opponent.
After normalising both champions win rates Senna wins against Bardo 3.94% more often than would be expected.
The average opponent winrate against Bardo is 55.46%.


Ashe
la Arquera de Hielo
Senna wins against Ashe 52.61% of the time which is 3.91% lower against Ashe than the average opponent.
After normalising both champions win rates Senna wins against Ashe 3.94% more often than would be expected.
The average opponent winrate against Ashe is 56.52%.


Miss Fortune
la Cazarrecompensas
Senna wins against Miss Fortune 55.16% of the time which is 2.62% lower against Miss Fortune than the average opponent.
After normalising both champions win rates Senna wins against Miss Fortune 5.20% more often than would be expected.
The average opponent winrate against Miss Fortune is 57.78%.