

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: 921,466
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 bottom Counters
Senna support on Patch 15.7 is the strongest counter to bottom champions of Ezreal, Jinx & Kai'Sa. While Senna support is countered most by bottom champions of Twitch, Jhin & Miss Fortune. Below is a detailed breakdown of Senna support counters against bottom champions with a minimum of 100 games.


Twitch
la Rata Mutante
Senna wins against Twitch 34.78% of the time which is 18.85% lower against Twitch than the average opponent.
After normalising both champions win rates Senna wins against Twitch 13.17% less often than would be expected.
The average opponent winrate against Twitch is 53.63%.


Jhin
el Virtuoso
Senna wins against Jhin 39.75% of the time which is 11.59% lower against Jhin than the average opponent.
After normalising both champions win rates Senna wins against Jhin 5.91% less often than would be expected.
The average opponent winrate against Jhin is 51.34%.


Miss Fortune
la Cazarrecompensas
Senna wins against Miss Fortune 43.44% of the time which is 6.87% lower against Miss Fortune than the average opponent.
After normalising both champions win rates Senna wins against Miss Fortune 1.19% less often than would be expected.
The average opponent winrate against Miss Fortune is 50.31%.


Tristana
la Artillera Yordle
Senna wins against Tristana 44.54% of the time which is 8.56% lower against Tristana than the average opponent.
After normalising both champions win rates Senna wins against Tristana 2.88% less often than would be expected.
The average opponent winrate against Tristana is 53.10%.


Samira
la Rosa del Desierto
Senna wins against Samira 45.00% of the time which is 7.81% lower against Samira than the average opponent.
After normalising both champions win rates Senna wins against Samira 2.13% less often than would be expected.
The average opponent winrate against Samira is 52.81%.


Vayne
la Cazadora Nocturna
Senna wins against Vayne 45.07% of the time which is 7.66% lower against Vayne than the average opponent.
After normalising both champions win rates Senna wins against Vayne 1.98% less often than would be expected.
The average opponent winrate against Vayne is 52.73%.


Ashe
la Arquera de Hielo
Senna wins against Ashe 45.22% of the time which is 7.65% lower against Ashe than the average opponent.
After normalising both champions win rates Senna wins against Ashe 1.97% less often than would be expected.
The average opponent winrate against Ashe is 52.87%.


Lucian
el Purificador
Senna wins against Lucian 45.74% of the time which is 8.13% lower against Lucian than the average opponent.
After normalising both champions win rates Senna wins against Lucian 2.45% less often than would be expected.
The average opponent winrate against Lucian is 53.87%.


Caitlyn
la Sheriff de Piltóver
Senna wins against Caitlyn 46.22% of the time which is 6.43% lower against Caitlyn than the average opponent.
After normalising both champions win rates Senna wins against Caitlyn 0.75% less often than would be expected.
The average opponent winrate against Caitlyn is 52.65%.


Varus
la Flecha del Castigo
Senna wins against Varus 48.78% of the time which is 5.82% lower against Varus than the average opponent.
After normalising both champions win rates Senna wins against Varus 0.15% less often than would be expected.
The average opponent winrate against Varus is 54.60%.


Kai'Sa
La Hija del Vacío
Senna wins against Kai'Sa 49.19% of the time which is 4.56% lower against Kai'Sa than the average opponent.
After normalising both champions win rates Senna wins against Kai'Sa 1.12% more often than would be expected.
The average opponent winrate against Kai'Sa is 53.75%.


Jinx
la Bala Perdida
Senna wins against Jinx 51.32% of the time which is 0.43% lower against Jinx than the average opponent.
After normalising both champions win rates Senna wins against Jinx 5.25% more often than would be expected.
The average opponent winrate against Jinx is 51.75%.


Ezreal
el Explorador Pródigo
Senna wins against Ezreal 54.82% of the time which is 0.39% lower against Ezreal than the average opponent.
After normalising both champions win rates Senna wins against Ezreal 5.28% more often than would be expected.
The average opponent winrate against Ezreal is 55.21%.