

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: 6,661,684
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 15.16 is the strongest counter to support champions of Bardo, Yuumi & Fiddlesticks. While Senna support is countered most by support champions of Teemo, Veigar & Galio. Below is a detailed breakdown of Senna support counters against support champions with a minimum of 100 games.


Teemo
El Explorador Veloz
Senna wins against Teemo 35.42% of the time which is 13.67% lower against Teemo than the average opponent.
After normalising both champions win rates Senna wins against Teemo 3.12% less often than would be expected.
The average opponent winrate against Teemo is 49.09%.


Veigar
El Pequeño Maestro del Mal
Senna wins against Veigar 38.69% of the time which is 15.40% lower against Veigar than the average opponent.
After normalising both champions win rates Senna wins against Veigar 4.81% less often than would be expected.
The average opponent winrate against Veigar is 54.09%.


Galio
el Coloso
Senna wins against Galio 39.19% of the time which is 13.45% lower against Galio than the average opponent.
After normalising both champions win rates Senna wins against Galio 2.86% less often than would be expected.
The average opponent winrate against Galio is 52.64%.


Swain
el Gran General de Noxus
Senna wins against Swain 39.97% of the time which is 13.00% lower against Swain than the average opponent.
After normalising both champions win rates Senna wins against Swain 2.40% less often than would be expected.
The average opponent winrate against Swain is 52.97%.


Vel'Koz
El Ojo del Vacío
Senna wins against Vel'Koz 40.00% of the time which is 13.28% lower against Vel'Koz than the average opponent.
After normalising both champions win rates Senna wins against Vel'Koz 2.68% less often than would be expected.
The average opponent winrate against Vel'Koz is 53.28%.


Milio
la Llama Serena
Senna wins against Milio 40.24% of the time which is 10.12% lower against Milio than the average opponent.
After normalising both champions win rates Senna wins against Milio 0.46% more often than would be expected.
The average opponent winrate against Milio is 50.36%.


Poppy
La Guardiana del Martillo
Senna wins against Poppy 40.38% of the time which is 12.44% lower against Poppy than the average opponent.
After normalising both champions win rates Senna wins against Poppy 1.84% less often than would be expected.
The average opponent winrate against Poppy is 52.82%.


Lux
La Dama Luminosa
Senna wins against Lux 40.59% of the time which is 12.08% lower against Lux than the average opponent.
After normalising both champions win rates Senna wins against Lux 1.49% less often than would be expected.
The average opponent winrate against Lux is 52.67%.


Nami
La Invocadora de Mareas
Senna wins against Nami 40.71% of the time which is 11.62% lower against Nami than the average opponent.
After normalising both champions win rates Senna wins against Nami 1.03% less often than would be expected.
The average opponent winrate against Nami is 52.33%.


Brand
La Venganza Ardiente
Senna wins against Brand 41.14% of the time which is 11.30% lower against Brand than the average opponent.
After normalising both champions win rates Senna wins against Brand 0.71% less often than would be expected.
The average opponent winrate against Brand is 52.44%.


Zyra
La Dama de Espinas
Senna wins against Zyra 41.39% of the time which is 9.38% lower against Zyra than the average opponent.
After normalising both champions win rates Senna wins against Zyra 1.20% more often than would be expected.
The average opponent winrate against Zyra is 50.77%.


Sona
La Virtuosa de las Cuerdas
Senna wins against Sona 41.65% of the time which is 10.09% lower against Sona than the average opponent.
After normalising both champions win rates Senna wins against Sona 0.50% more often than would be expected.
The average opponent winrate against Sona is 51.74%.


Leona
El Amanecer Radiante
Senna wins against Leona 42.08% of the time which is 9.70% lower against Leona than the average opponent.
After normalising both champions win rates Senna wins against Leona 0.89% more often than would be expected.
The average opponent winrate against Leona is 51.78%.


Morgana
la Caída
Senna wins against Morgana 42.24% of the time which is 10.09% lower against Morgana than the average opponent.
After normalising both champions win rates Senna wins against Morgana 0.50% more often than would be expected.
The average opponent winrate against Morgana is 52.33%.


Taric
El Escudo de Valoran
Senna wins against Taric 42.28% of the time which is 7.20% lower against Taric than the average opponent.
After normalising both champions win rates Senna wins against Taric 3.36% more often than would be expected.
The average opponent winrate against Taric is 49.48%.


Nautilus
El Titán Abisal
Senna wins against Nautilus 42.54% of the time which is 11.37% lower against Nautilus than the average opponent.
After normalising both champions win rates Senna wins against Nautilus 0.78% less often than would be expected.
The average opponent winrate against Nautilus is 53.91%.


Pyke
el Destripador de los Puertos
Senna wins against Pyke 42.96% of the time which is 12.63% lower against Pyke than the average opponent.
After normalising both champions win rates Senna wins against Pyke 2.05% less often than would be expected.
The average opponent winrate against Pyke is 55.59%.


Blitzcrank
El Gran Gólem de Vapor
Senna wins against Blitzcrank 43.17% of the time which is 10.43% lower against Blitzcrank than the average opponent.
After normalising both champions win rates Senna wins against Blitzcrank 0.16% more often than would be expected.
The average opponent winrate against Blitzcrank is 53.60%.


Shen
El Ojo del Crepúsculo
Senna wins against Shen 43.24% of the time which is 7.98% lower against Shen than the average opponent.
After normalising both champions win rates Senna wins against Shen 2.61% more often than would be expected.
The average opponent winrate against Shen is 51.22%.


Neeko
la Camaleona Curiosa
Senna wins against Neeko 43.30% of the time which is 11.15% lower against Neeko than the average opponent.
After normalising both champions win rates Senna wins against Neeko 0.56% less often than would be expected.
The average opponent winrate against Neeko is 54.45%.


Janna
La Furia de la Tormenta
Senna wins against Janna 43.31% of the time which is 11.09% lower against Janna than the average opponent.
After normalising both champions win rates Senna wins against Janna 0.50% less often than would be expected.
The average opponent winrate against Janna is 54.40%.


Thresh
El Carcelero Implacable
Senna wins against Thresh 43.35% of the time which is 10.44% lower against Thresh than the average opponent.
After normalising both champions win rates Senna wins against Thresh 0.15% more often than would be expected.
The average opponent winrate against Thresh is 53.79%.


Seraphine
la Cantante Soñadora
Senna wins against Seraphine 43.63% of the time which is 11.11% lower against Seraphine than the average opponent.
After normalising both champions win rates Senna wins against Seraphine 0.52% less often than would be expected.
The average opponent winrate against Seraphine is 54.74%.


Xerath
El Mago Ascendente
Senna wins against Xerath 43.74% of the time which is 9.13% lower against Xerath than the average opponent.
After normalising both champions win rates Senna wins against Xerath 1.47% more often than would be expected.
The average opponent winrate against Xerath is 52.87%.


Zilean
El Guardián del Tiempo
Senna wins against Zilean 43.88% of the time which is 10.77% lower against Zilean than the average opponent.
After normalising both champions win rates Senna wins against Zilean 0.18% less often than would be expected.
The average opponent winrate against Zilean is 54.65%.


Pantheon
la Lanza Inquebrantable
Senna wins against Pantheon 43.99% of the time which is 10.15% lower against Pantheon than the average opponent.
After normalising both champions win rates Senna wins against Pantheon 0.44% more often than would be expected.
The average opponent winrate against Pantheon is 54.14%.


Renata Glasc
la Baronesa Química
Senna wins against Renata Glasc 45.11% of the time which is 9.01% lower against Renata Glasc than the average opponent.
After normalising both champions win rates Senna wins against Renata Glasc 1.58% more often than would be expected.
The average opponent winrate against Renata Glasc is 54.12%.


Braum
El Corazón de Freljord
Senna wins against Braum 45.23% of the time which is 8.42% lower against Braum than the average opponent.
After normalising both champions win rates Senna wins against Braum 2.17% more often than would be expected.
The average opponent winrate against Braum is 53.65%.


Maokai
El Treant Retorcido
Senna wins against Maokai 45.45% of the time which is 6.56% lower against Maokai than the average opponent.
After normalising both champions win rates Senna wins against Maokai 4.03% more often than would be expected.
The average opponent winrate against Maokai is 52.01%.


Mel
el Reflejo del Alma
Senna wins against Mel 45.55% of the time which is 9.94% lower against Mel than the average opponent.
After normalising both champions win rates Senna wins against Mel 0.64% more often than would be expected.
The average opponent winrate against Mel is 55.49%.


Lulu
El Hada Hechicera
Senna wins against Lulu 45.60% of the time which is 9.55% lower against Lulu than the average opponent.
After normalising both champions win rates Senna wins against Lulu 1.04% more often than would be expected.
The average opponent winrate against Lulu is 55.15%.


Ashe
La Arquera de Hielo
Senna wins against Ashe 45.73% of the time which is 11.86% lower against Ashe than the average opponent.
After normalising both champions win rates Senna wins against Ashe 1.32% less often than would be expected.
The average opponent winrate against Ashe is 57.59%.


Shaco
El Bufón Siniestro
Senna wins against Shaco 46.04% of the time which is 7.46% lower against Shaco than the average opponent.
After normalising both champions win rates Senna wins against Shaco 3.14% more often than would be expected.
The average opponent winrate against Shaco is 53.50%.


Soraka
La Hija de las Estrellas
Senna wins against Soraka 47.06% of the time which is 5.90% lower against Soraka than the average opponent.
After normalising both champions win rates Senna wins against Soraka 4.70% more often than would be expected.
The average opponent winrate against Soraka is 52.96%.


Tahm Kench
El Rey del Río
Senna wins against Tahm Kench 47.26% of the time which is 6.95% lower against Tahm Kench than the average opponent.
After normalising both champions win rates Senna wins against Tahm Kench 3.64% more often than would be expected.
The average opponent winrate against Tahm Kench is 54.21%.


Karma
La Iluminada
Senna wins against Karma 47.34% of the time which is 7.41% lower against Karma than the average opponent.
After normalising both champions win rates Senna wins against Karma 3.18% more often than would be expected.
The average opponent winrate against Karma is 54.75%.


Malphite
El Fragmento del Monolito
Senna wins against Malphite 47.65% of the time which is 5.80% lower against Malphite than the average opponent.
After normalising both champions win rates Senna wins against Malphite 4.80% more often than would be expected.
The average opponent winrate against Malphite is 53.45%.


Rell
la Dama de Hierro
Senna wins against Rell 47.77% of the time which is 5.66% lower against Rell than the average opponent.
After normalising both champions win rates Senna wins against Rell 4.94% more often than would be expected.
The average opponent winrate against Rell is 53.43%.


Alistar
El Minotauro
Senna wins against Alistar 47.89% of the time which is 7.07% lower against Alistar than the average opponent.
After normalising both champions win rates Senna wins against Alistar 3.52% more often than would be expected.
The average opponent winrate against Alistar is 54.96%.


Miss Fortune
La Cazarrecompensas
Senna wins against Miss Fortune 48.03% of the time which is 10.56% lower against Miss Fortune than the average opponent.
After normalising both champions win rates Senna wins against Miss Fortune 0.04% less often than would be expected.
The average opponent winrate against Miss Fortune is 58.59%.


Rakan
El Encantador
Senna wins against Rakan 49.22% of the time which is 5.34% lower against Rakan than the average opponent.
After normalising both champions win rates Senna wins against Rakan 5.25% more often than would be expected.
The average opponent winrate against Rakan is 54.56%.


Fiddlesticks
el Terror Ancestral
Senna wins against Fiddlesticks 52.00% of the time which is 0.87% higher against Fiddlesticks than the average opponent.
After normalising both champions win rates Senna wins against Fiddlesticks 11.45% more often than would be expected.
The average opponent winrate against Fiddlesticks is 51.13%.


Yuumi
la Gata Mágica
Senna wins against Yuumi 52.96% of the time which is 5.61% lower against Yuumi than the average opponent.
After normalising both champions win rates Senna wins against Yuumi 4.91% more often than would be expected.
The average opponent winrate against Yuumi is 58.57%.


Bardo
El Guardián Errante
Senna wins against Bardo 53.47% of the time which is 2.22% lower against Bardo than the average opponent.
After normalising both champions win rates Senna wins against Bardo 8.36% more often than would be expected.
The average opponent winrate against Bardo is 55.69%.