

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.
Master Champions Analysed: 1,418,236
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 support Counters
Senna bottom on Patch 15.16 is the strongest counter to support champions of Milio, Braum & Nami. While Senna bottom is countered most by support champions of Leona, Rell & Pyke. Below is a detailed breakdown of Senna bottom counters against support champions with a minimum of 100 games.


Leona
El Amanecer Radiante
Senna wins against Leona 36.11% of the time which is 11.03% lower against Leona than the average opponent.
After normalising both champions win rates Senna wins against Leona 12.89% less often than would be expected.
The average opponent winrate against Leona is 47.14%.


Rell
la Dama de Hierro
Senna wins against Rell 38.10% of the time which is 9.82% lower against Rell than the average opponent.
After normalising both champions win rates Senna wins against Rell 11.68% less often than would be expected.
The average opponent winrate against Rell is 47.92%.


Pyke
el Destripador de los Puertos
Senna wins against Pyke 39.09% of the time which is 8.66% lower against Pyke than the average opponent.
After normalising both champions win rates Senna wins against Pyke 10.52% less often than would be expected.
The average opponent winrate against Pyke is 47.75%.


Sona
La Virtuosa de las Cuerdas
Senna wins against Sona 44.44% of the time which is 1.11% lower against Sona than the average opponent.
After normalising both champions win rates Senna wins against Sona 2.97% less often than would be expected.
The average opponent winrate against Sona is 45.55%.


Rakan
El Encantador
Senna wins against Rakan 44.44% of the time which is 3.78% lower against Rakan than the average opponent.
After normalising both champions win rates Senna wins against Rakan 5.64% less often than would be expected.
The average opponent winrate against Rakan is 48.22%.


Bardo
El Guardián Errante
Senna wins against Bardo 46.71% of the time which is 1.46% lower against Bardo than the average opponent.
After normalising both champions win rates Senna wins against Bardo 3.32% less often than would be expected.
The average opponent winrate against Bardo is 48.17%.


Thresh
El Carcelero Implacable
Senna wins against Thresh 48.00% of the time which is 1.15% higher against Thresh than the average opponent.
After normalising both champions win rates Senna wins against Thresh 0.71% less often than would be expected.
The average opponent winrate against Thresh is 46.85%.


Alistar
El Minotauro
Senna wins against Alistar 48.11% of the time which is 0.89% higher against Alistar than the average opponent.
After normalising both champions win rates Senna wins against Alistar 0.97% less often than would be expected.
The average opponent winrate against Alistar is 47.22%.


Blitzcrank
El Gran Gólem de Vapor
Senna wins against Blitzcrank 48.33% of the time which is 0.70% higher against Blitzcrank than the average opponent.
After normalising both champions win rates Senna wins against Blitzcrank 1.16% less often than would be expected.
The average opponent winrate against Blitzcrank is 47.63%.


Nautilus
El Titán Abisal
Senna wins against Nautilus 49.74% of the time which is 0.97% higher against Nautilus than the average opponent.
After normalising both champions win rates Senna wins against Nautilus 0.89% less often than would be expected.
The average opponent winrate against Nautilus is 48.77%.


Lulu
El Hada Hechicera
Senna wins against Lulu 52.53% of the time which is 4.48% higher against Lulu than the average opponent.
After normalising both champions win rates Senna wins against Lulu 2.62% more often than would be expected.
The average opponent winrate against Lulu is 48.05%.


Karma
La Iluminada
Senna wins against Karma 52.60% of the time which is 4.46% higher against Karma than the average opponent.
After normalising both champions win rates Senna wins against Karma 2.60% more often than would be expected.
The average opponent winrate against Karma is 48.14%.


Nami
La Invocadora de Mareas
Senna wins against Nami 56.18% of the time which is 9.54% higher against Nami than the average opponent.
After normalising both champions win rates Senna wins against Nami 7.68% more often than would be expected.
The average opponent winrate against Nami is 46.64%.


Braum
El Corazón de Freljord
Senna wins against Braum 56.88% of the time which is 9.04% higher against Braum than the average opponent.
After normalising both champions win rates Senna wins against Braum 7.18% more often than would be expected.
The average opponent winrate against Braum is 47.84%.


Milio
la Llama Serena
Senna wins against Milio 58.68% of the time which is 12.66% higher against Milio than the average opponent.
After normalising both champions win rates Senna wins against Milio 10.80% more often than would be expected.
The average opponent winrate against Milio is 46.02%.