

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: 875,424
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 15.17 is the strongest counter to support champions of Thresh, Nautilus & Mel. While Senna support is countered most by support champions of Morgana, Leona & Lux. Below is a detailed breakdown of Senna support counters against support champions with a minimum of 100 games.


Morgana
a Caída
Senna wins against Morgana 41.53% of the time which is 7.27% lower against Morgana than the average opponent.
After normalising both champions win rates Senna wins against Morgana 2.93% less often than would be expected.
The average opponent winrate against Morgana is 48.80%.


Leona
a Alvorada Radiante
Senna wins against Leona 41.91% of the time which is 8.22% lower against Leona than the average opponent.
After normalising both champions win rates Senna wins against Leona 3.88% less often than would be expected.
The average opponent winrate against Leona is 50.13%.


Lux
a Dama da Luz
Senna wins against Lux 41.97% of the time which is 9.05% lower against Lux than the average opponent.
After normalising both champions win rates Senna wins against Lux 4.71% less often than would be expected.
The average opponent winrate against Lux is 51.02%.


Blitzcrank
o Grande Golem a Vapor
Senna wins against Blitzcrank 45.28% of the time which is 7.01% lower against Blitzcrank than the average opponent.
After normalising both champions win rates Senna wins against Blitzcrank 2.67% less often than would be expected.
The average opponent winrate against Blitzcrank is 52.29%.


Seraphine
a Cantora Sonhadora
Senna wins against Seraphine 45.51% of the time which is 6.65% lower against Seraphine than the average opponent.
After normalising both champions win rates Senna wins against Seraphine 2.31% less often than would be expected.
The average opponent winrate against Seraphine is 52.16%.


Pyke
o Estripador das Águas Sangrentas
Senna wins against Pyke 46.15% of the time which is 6.74% lower against Pyke than the average opponent.
After normalising both champions win rates Senna wins against Pyke 2.40% less often than would be expected.
The average opponent winrate against Pyke is 52.89%.


Brand
a Vingança Flamejante
Senna wins against Brand 48.08% of the time which is 1.16% lower against Brand than the average opponent.
After normalising both champions win rates Senna wins against Brand 3.18% more often than would be expected.
The average opponent winrate against Brand is 49.24%.


Mel
o Reflexo da Alma
Senna wins against Mel 48.33% of the time which is 5.74% lower against Mel than the average opponent.
After normalising both champions win rates Senna wins against Mel 1.41% less often than would be expected.
The average opponent winrate against Mel is 54.07%.


Nautilus
o Titã das Profundezas
Senna wins against Nautilus 50.85% of the time which is 1.59% lower against Nautilus than the average opponent.
After normalising both champions win rates Senna wins against Nautilus 2.75% more often than would be expected.
The average opponent winrate against Nautilus is 52.44%.


Thresh
o Guardião das Correntes
Senna wins against Thresh 51.35% of the time which is 1.03% lower against Thresh than the average opponent.
After normalising both champions win rates Senna wins against Thresh 3.31% more often than would be expected.
The average opponent winrate against Thresh is 52.38%.