

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: 4,097,511
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 jungle Counters
Senna support on Patch 15.6 is the strongest counter to jungle champions of Rengar, Kindred & Nidalee. While Senna support is countered most by jungle champions of Mordekaiser, Yorick & Volibear. Below is a detailed breakdown of Senna support counters against jungle champions with a minimum of 100 games.


Mordekaiser
La Pesadilla de Hierro
Senna wins against Mordekaiser 38.00% of the time which is 12.75% lower against Mordekaiser than the average opponent.
After normalising both champions win rates Senna wins against Mordekaiser 5.51% less often than would be expected.
The average opponent winrate against Mordekaiser is 50.75%.


Yorick
Pastor de las Almas Perdidas
Senna wins against Yorick 39.62% of the time which is 9.55% lower against Yorick than the average opponent.
After normalising both champions win rates Senna wins against Yorick 2.32% less often than would be expected.
The average opponent winrate against Yorick is 49.17%.


Volibear
la Tormenta Incesante
Senna wins against Volibear 40.00% of the time which is 11.25% lower against Volibear than the average opponent.
After normalising both champions win rates Senna wins against Volibear 4.00% less often than would be expected.
The average opponent winrate against Volibear is 51.25%.


Rammus
El Armadurillo
Senna wins against Rammus 40.35% of the time which is 10.77% lower against Rammus than the average opponent.
After normalising both champions win rates Senna wins against Rammus 3.52% less often than would be expected.
The average opponent winrate against Rammus is 51.12%.


Amumu
La Momia Triste
Senna wins against Amumu 41.54% of the time which is 8.29% lower against Amumu than the average opponent.
After normalising both champions win rates Senna wins against Amumu 1.05% less often than would be expected.
The average opponent winrate against Amumu is 49.83%.


Nocturne
La Pesadilla Eterna
Senna wins against Nocturne 41.73% of the time which is 9.80% lower against Nocturne than the average opponent.
After normalising both champions win rates Senna wins against Nocturne 2.55% less often than would be expected.
The average opponent winrate against Nocturne is 51.53%.


Pantheon
la Lanza Inquebrantable
Senna wins against Pantheon 42.54% of the time which is 11.30% lower against Pantheon than the average opponent.
After normalising both champions win rates Senna wins against Pantheon 4.06% less often than would be expected.
The average opponent winrate against Pantheon is 53.84%.


Jarvan IV
El Ejemplo de Demacia
Senna wins against Jarvan IV 42.62% of the time which is 9.87% lower against Jarvan IV than the average opponent.
After normalising both champions win rates Senna wins against Jarvan IV 2.62% less often than would be expected.
The average opponent winrate against Jarvan IV is 52.49%.


Warwick
la Ira Descontrolada de Zaun
Senna wins against Warwick 42.71% of the time which is 7.70% lower against Warwick than the average opponent.
After normalising both champions win rates Senna wins against Warwick 0.46% less often than would be expected.
The average opponent winrate against Warwick is 50.41%.


Trundle
El Rey Trol
Senna wins against Trundle 42.74% of the time which is 9.16% lower against Trundle than the average opponent.
After normalising both champions win rates Senna wins against Trundle 1.91% less often than would be expected.
The average opponent winrate against Trundle is 51.90%.


Zed
El Maestro de las Sombras
Senna wins against Zed 43.11% of the time which is 13.41% lower against Zed than the average opponent.
After normalising both champions win rates Senna wins against Zed 6.20% less often than would be expected.
The average opponent winrate against Zed is 56.52%.


Graves
El Forajido
Senna wins against Graves 43.30% of the time which is 10.61% lower against Graves than the average opponent.
After normalising both champions win rates Senna wins against Graves 3.37% less often than would be expected.
The average opponent winrate against Graves is 53.91%.


Maestro Yi
El Espadachín Wuju
Senna wins against Maestro Yi 43.48% of the time which is 9.33% lower against Maestro Yi than the average opponent.
After normalising both champions win rates Senna wins against Maestro Yi 2.08% less often than would be expected.
The average opponent winrate against Maestro Yi is 52.81%.


Xin Zhao
El Senescal de Demacia
Senna wins against Xin Zhao 43.58% of the time which is 8.52% lower against Xin Zhao than the average opponent.
After normalising both champions win rates Senna wins against Xin Zhao 1.27% less often than would be expected.
The average opponent winrate against Xin Zhao is 52.10%.


Udyr
El Caminante Espiritual
Senna wins against Udyr 44.44% of the time which is 10.09% lower against Udyr than the average opponent.
After normalising both champions win rates Senna wins against Udyr 2.85% less often than would be expected.
The average opponent winrate against Udyr is 54.53%.


Naafiri
Sabuesa de las Mil Dentelladas
Senna wins against Naafiri 44.58% of the time which is 5.47% lower against Naafiri than the average opponent.
After normalising both champions win rates Senna wins against Naafiri 1.77% more often than would be expected.
The average opponent winrate against Naafiri is 50.05%.


Kayn
la Guadaña de las Sombras
Senna wins against Kayn 44.84% of the time which is 8.14% lower against Kayn than the average opponent.
After normalising both champions win rates Senna wins against Kayn 0.89% less often than would be expected.
The average opponent winrate against Kayn is 52.98%.


Diana
El Desdén de la Luna
Senna wins against Diana 44.85% of the time which is 8.21% lower against Diana than the average opponent.
After normalising both champions win rates Senna wins against Diana 0.96% less often than would be expected.
The average opponent winrate against Diana is 53.06%.


Gwen
La Costurera Consagrada
Senna wins against Gwen 45.03% of the time which is 9.39% lower against Gwen than the average opponent.
After normalising both champions win rates Senna wins against Gwen 2.15% less often than would be expected.
The average opponent winrate against Gwen is 54.42%.


Briar
la Gula Confinada
Senna wins against Briar 45.45% of the time which is 4.83% lower against Briar than the average opponent.
After normalising both champions win rates Senna wins against Briar 2.41% more often than would be expected.
The average opponent winrate against Briar is 50.28%.


Lee Sin
El Monje Ciego
Senna wins against Lee Sin 45.47% of the time which is 11.20% lower against Lee Sin than the average opponent.
After normalising both champions win rates Senna wins against Lee Sin 3.99% less often than would be expected.
The average opponent winrate against Lee Sin is 56.67%.


Jax
El Maestro de Armas
Senna wins against Jax 45.71% of the time which is 5.77% lower against Jax than the average opponent.
After normalising both champions win rates Senna wins against Jax 1.48% more often than would be expected.
The average opponent winrate against Jax is 51.48%.


Viego
el Rey Arruinado
Senna wins against Viego 46.13% of the time which is 6.75% lower against Viego than the average opponent.
After normalising both champions win rates Senna wins against Viego 0.50% more often than would be expected.
The average opponent winrate against Viego is 52.88%.


Talon
La Sombra de la Espada
Senna wins against Talon 46.15% of the time which is 10.61% lower against Talon than the average opponent.
After normalising both champions win rates Senna wins against Talon 3.40% less often than would be expected.
The average opponent winrate against Talon is 56.76%.


Hecarim
La Sombra de la Guerra
Senna wins against Hecarim 46.48% of the time which is 9.88% lower against Hecarim than the average opponent.
After normalising both champions win rates Senna wins against Hecarim 2.66% less often than would be expected.
The average opponent winrate against Hecarim is 56.36%.


Wukong
El Rey Mono
Senna wins against Wukong 46.60% of the time which is 4.63% lower against Wukong than the average opponent.
After normalising both champions win rates Senna wins against Wukong 2.62% more often than would be expected.
The average opponent winrate against Wukong is 51.23%.


Fiddlesticks
el Terror Ancestral
Senna wins against Fiddlesticks 46.67% of the time which is 7.57% lower against Fiddlesticks than the average opponent.
After normalising both champions win rates Senna wins against Fiddlesticks 0.33% less often than would be expected.
The average opponent winrate against Fiddlesticks is 54.24%.


Zac
El Arma Secreta
Senna wins against Zac 46.96% of the time which is 8.35% lower against Zac than the average opponent.
After normalising both champions win rates Senna wins against Zac 1.12% less often than would be expected.
The average opponent winrate against Zac is 55.31%.


Lillia
el Tímido Florecer
Senna wins against Lillia 46.99% of the time which is 4.68% lower against Lillia than the average opponent.
After normalising both champions win rates Senna wins against Lillia 2.57% more often than would be expected.
The average opponent winrate against Lillia is 51.67%.


Shaco
El Bufón Siniestro
Senna wins against Shaco 47.26% of the time which is 8.36% lower against Shaco than the average opponent.
After normalising both champions win rates Senna wins against Shaco 1.13% less often than would be expected.
The average opponent winrate against Shaco is 55.62%.


Darius
La Mano de Noxus
Senna wins against Darius 47.69% of the time which is 5.41% lower against Darius than the average opponent.
After normalising both champions win rates Senna wins against Darius 1.84% more often than would be expected.
The average opponent winrate against Darius is 53.10%.


Vi
La Agente de Piltover
Senna wins against Vi 47.81% of the time which is 4.43% lower against Vi than the average opponent.
After normalising both champions win rates Senna wins against Vi 2.82% more often than would be expected.
The average opponent winrate against Vi is 52.24%.


Gragas
El Camorrista
Senna wins against Gragas 48.15% of the time which is 9.25% lower against Gragas than the average opponent.
After normalising both champions win rates Senna wins against Gragas 2.05% less often than would be expected.
The average opponent winrate against Gragas is 57.40%.


Elise
La Reina de las Arañas
Senna wins against Elise 48.28% of the time which is 9.81% lower against Elise than the average opponent.
After normalising both champions win rates Senna wins against Elise 2.62% less often than would be expected.
The average opponent winrate against Elise is 58.09%.


Kha'Zix
El Saqueador del Vacío
Senna wins against Kha'Zix 48.51% of the time which is 7.33% lower against Kha'Zix than the average opponent.
After normalising both champions win rates Senna wins against Kha'Zix 0.11% less often than would be expected.
The average opponent winrate against Kha'Zix is 55.84%.


Evelynn
El Abrazo Agónico
Senna wins against Evelynn 48.94% of the time which is 7.77% lower against Evelynn than the average opponent.
After normalising both champions win rates Senna wins against Evelynn 0.56% less often than would be expected.
The average opponent winrate against Evelynn is 56.71%.


Karthus
La Voz de la Muerte
Senna wins against Karthus 49.02% of the time which is 5.17% lower against Karthus than the average opponent.
After normalising both champions win rates Senna wins against Karthus 2.07% more often than would be expected.
The average opponent winrate against Karthus is 54.19%.


Sejuani
La Furia del Norte
Senna wins against Sejuani 49.61% of the time which is 2.31% lower against Sejuani than the average opponent.
After normalising both champions win rates Senna wins against Sejuani 4.94% more often than would be expected.
The average opponent winrate against Sejuani is 51.92%.


Bel'Veth
la Emperatriz del Vacío
Senna wins against Bel'Veth 49.66% of the time which is 6.73% lower against Bel'Veth than the average opponent.
After normalising both champions win rates Senna wins against Bel'Veth 0.49% more often than would be expected.
The average opponent winrate against Bel'Veth is 56.39%.


Nunu y Willump
Un Niño y su Yeti
Senna wins against Nunu y Willump 50.14% of the time which is 4.24% lower against Nunu y Willump than the average opponent.
After normalising both champions win rates Senna wins against Nunu y Willump 3.00% more often than would be expected.
The average opponent winrate against Nunu y Willump is 54.38%.


Teemo
El Explorador Veloz
Senna wins against Teemo 51.30% of the time which is 0.55% higher against Teemo than the average opponent.
After normalising both champions win rates Senna wins against Teemo 7.79% more often than would be expected.
The average opponent winrate against Teemo is 50.75%.


Ekko
El Chico que Quebró el Tiempo
Senna wins against Ekko 51.84% of the time which is 3.00% lower against Ekko than the average opponent.
After normalising both champions win rates Senna wins against Ekko 4.23% more often than would be expected.
The average opponent winrate against Ekko is 54.84%.


Shyvana
La Medio Dragón
Senna wins against Shyvana 52.94% of the time which is 1.10% higher against Shyvana than the average opponent.
After normalising both champions win rates Senna wins against Shyvana 8.35% more often than would be expected.
The average opponent winrate against Shyvana is 51.84%.


Nidalee
La Cazadora Bestial
Senna wins against Nidalee 54.03% of the time which is 7.39% lower against Nidalee than the average opponent.
After normalising both champions win rates Senna wins against Nidalee 0.29% less often than would be expected.
The average opponent winrate against Nidalee is 61.42%.


Kindred
Los Cazadores Eternos
Senna wins against Kindred 54.19% of the time which is 2.93% lower against Kindred than the average opponent.
After normalising both champions win rates Senna wins against Kindred 4.27% more often than would be expected.
The average opponent winrate against Kindred is 57.12%.


Rengar
El Acechador Orgulloso
Senna wins against Rengar 54.43% of the time which is 8.14% lower against Rengar than the average opponent.
After normalising both champions win rates Senna wins against Rengar 1.08% less often than would be expected.
The average opponent winrate against Rengar is 62.57%.