

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: 3,446,636
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 bottom vs bottom Counters
Senna bottom on Patch 15.17 is the strongest counter to bottom champions of Twitch, Ezreal & Varus. While Senna bottom is countered most by bottom champions of Smolder, Sivir & Jinx. Below is a detailed breakdown of Senna bottom counters against bottom champions with a minimum of 100 games.


Smolder
el Dragoncito Flamante
Senna wins against Smolder 42.41% of the time which is 8.50% lower against Smolder than the average opponent.
After normalising both champions win rates Senna wins against Smolder 4.57% less often than would be expected.
The average opponent winrate against Smolder is 50.91%.


Sivir
la Señora de la Batalla
Senna wins against Sivir 44.13% of the time which is 6.85% lower against Sivir than the average opponent.
After normalising both champions win rates Senna wins against Sivir 2.92% less often than would be expected.
The average opponent winrate against Sivir is 50.98%.


Jinx
la Bala Perdida
Senna wins against Jinx 45.28% of the time which is 7.10% lower against Jinx than the average opponent.
After normalising both champions win rates Senna wins against Jinx 3.17% less often than would be expected.
The average opponent winrate against Jinx is 52.38%.


Tristana
la Artillera Yordle
Senna wins against Tristana 46.01% of the time which is 7.77% lower against Tristana than the average opponent.
After normalising both champions win rates Senna wins against Tristana 3.85% less often than would be expected.
The average opponent winrate against Tristana is 53.78%.


Yunara
La Fe Inquebrantable
Senna wins against Yunara 46.26% of the time which is 5.95% lower against Yunara than the average opponent.
After normalising both champions win rates Senna wins against Yunara 2.02% less often than would be expected.
The average opponent winrate against Yunara is 52.21%.


Ashe
la Arquera de Hielo
Senna wins against Ashe 46.59% of the time which is 5.69% lower against Ashe than the average opponent.
After normalising both champions win rates Senna wins against Ashe 1.76% less often than would be expected.
The average opponent winrate against Ashe is 52.28%.


Miss Fortune
la Cazarrecompensas
Senna wins against Miss Fortune 47.62% of the time which is 2.93% lower against Miss Fortune than the average opponent.
After normalising both champions win rates Senna wins against Miss Fortune 1.00% more often than would be expected.
The average opponent winrate against Miss Fortune is 50.55%.


Jhin
el Virtuoso
Senna wins against Jhin 49.03% of the time which is 3.32% lower against Jhin than the average opponent.
After normalising both champions win rates Senna wins against Jhin 0.61% more often than would be expected.
The average opponent winrate against Jhin is 52.35%.


Kai'Sa
La Hija del Vacío
Senna wins against Kai'Sa 49.04% of the time which is 3.24% lower against Kai'Sa than the average opponent.
After normalising both champions win rates Senna wins against Kai'Sa 0.69% more often than would be expected.
The average opponent winrate against Kai'Sa is 52.28%.


Samira
la Rosa del Desierto
Senna wins against Samira 49.23% of the time which is 3.24% lower against Samira than the average opponent.
After normalising both champions win rates Senna wins against Samira 0.69% more often than would be expected.
The average opponent winrate against Samira is 52.47%.


Lucian
el Purificador
Senna wins against Lucian 49.70% of the time which is 4.84% lower against Lucian than the average opponent.
After normalising both champions win rates Senna wins against Lucian 0.92% less often than would be expected.
The average opponent winrate against Lucian is 54.54%.


Caitlyn
la Sheriff de Piltóver
Senna wins against Caitlyn 50.25% of the time which is 2.86% lower against Caitlyn than the average opponent.
After normalising both champions win rates Senna wins against Caitlyn 1.07% more often than would be expected.
The average opponent winrate against Caitlyn is 53.11%.


Aphelios
El Arma de los Adeptos
Senna wins against Aphelios 51.88% of the time which is 0.23% higher against Aphelios than the average opponent.
After normalising both champions win rates Senna wins against Aphelios 4.16% more often than would be expected.
The average opponent winrate against Aphelios is 51.65%.


Vayne
la Cazadora Nocturna
Senna wins against Vayne 51.94% of the time which is 0.65% lower against Vayne than the average opponent.
After normalising both champions win rates Senna wins against Vayne 3.28% more often than would be expected.
The average opponent winrate against Vayne is 52.59%.


Varus
la Flecha del Castigo
Senna wins against Varus 52.35% of the time which is 3.01% lower against Varus than the average opponent.
After normalising both champions win rates Senna wins against Varus 0.91% more often than would be expected.
The average opponent winrate against Varus is 55.36%.


Ezreal
el Explorador Pródigo
Senna wins against Ezreal 52.51% of the time which is 2.61% lower against Ezreal than the average opponent.
After normalising both champions win rates Senna wins against Ezreal 1.31% more often than would be expected.
The average opponent winrate against Ezreal is 55.12%.


Twitch
la Rata Mutante
Senna wins against Twitch 53.54% of the time which is 0.44% higher against Twitch than the average opponent.
After normalising both champions win rates Senna wins against Twitch 4.37% more often than would be expected.
The average opponent winrate against Twitch is 53.10%.