

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.
Emerald+ Champions Analysed: 6,779,862
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 7 is the strongest counter to support champions of Sylas, Tahm Kench & Maokai. While Senna support is countered most by support champions of Vel'Koz, Pantheon & Xerath. Below is a detailed breakdown of Senna support counters against support champions with a minimum of 100 games.


Vel'Koz
the Eye of the Void
Senna wins against Vel'Koz 39.33% of the time which is 9.92% lower against Vel'Koz than the average opponent.
After normalising both champions win rates Senna wins against Vel'Koz 7.92% less often than would be expected.
The average opponent winrate against Vel'Koz is 49.25%.


Pantheon
the Unbreakable Spear
Senna wins against Pantheon 42.90% of the time which is 7.55% lower against Pantheon than the average opponent.
After normalising both champions win rates Senna wins against Pantheon 5.55% less often than would be expected.
The average opponent winrate against Pantheon is 50.45%.


Xerath
the Magus Ascendant
Senna wins against Xerath 44.14% of the time which is 7.38% lower against Xerath than the average opponent.
After normalising both champions win rates Senna wins against Xerath 5.38% less often than would be expected.
The average opponent winrate against Xerath is 51.52%.


Leona
the Radiant Dawn
Senna wins against Leona 45.31% of the time which is 3.95% lower against Leona than the average opponent.
After normalising both champions win rates Senna wins against Leona 1.95% less often than would be expected.
The average opponent winrate against Leona is 49.26%.


Zilean
the Chronokeeper
Senna wins against Zilean 45.48% of the time which is 3.45% lower against Zilean than the average opponent.
After normalising both champions win rates Senna wins against Zilean 1.45% less often than would be expected.
The average opponent winrate against Zilean is 48.93%.


Elise
the Spider Queen
Senna wins against Elise 45.58% of the time which is 2.32% lower against Elise than the average opponent.
After normalising both champions win rates Senna wins against Elise 0.33% less often than would be expected.
The average opponent winrate against Elise is 47.90%.


Blitzcrank
the Great Steam Golem
Senna wins against Blitzcrank 45.95% of the time which is 4.46% lower against Blitzcrank than the average opponent.
After normalising both champions win rates Senna wins against Blitzcrank 2.46% less often than would be expected.
The average opponent winrate against Blitzcrank is 50.41%.


Nami
the Tidecaller
Senna wins against Nami 46.12% of the time which is 2.59% lower against Nami than the average opponent.
After normalising both champions win rates Senna wins against Nami 0.59% less often than would be expected.
The average opponent winrate against Nami is 48.71%.


Bard
the Wandering Caretaker
Senna wins against Bard 46.25% of the time which is 3.23% lower against Bard than the average opponent.
After normalising both champions win rates Senna wins against Bard 1.23% less often than would be expected.
The average opponent winrate against Bard is 49.48%.


Pyke
the Bloodharbor Ripper
Senna wins against Pyke 46.42% of the time which is 3.89% lower against Pyke than the average opponent.
After normalising both champions win rates Senna wins against Pyke 1.89% less often than would be expected.
The average opponent winrate against Pyke is 50.31%.


Lux
the Lady of Luminosity
Senna wins against Lux 46.68% of the time which is 5.41% lower against Lux than the average opponent.
After normalising both champions win rates Senna wins against Lux 3.41% less often than would be expected.
The average opponent winrate against Lux is 52.09%.


Nautilus
the Titan of the Depths
Senna wins against Nautilus 46.69% of the time which is 4.43% lower against Nautilus than the average opponent.
After normalising both champions win rates Senna wins against Nautilus 2.43% less often than would be expected.
The average opponent winrate against Nautilus is 51.12%.


Poppy
Keeper of the Hammer
Senna wins against Poppy 46.79% of the time which is 1.47% lower against Poppy than the average opponent.
After normalising both champions win rates Senna wins against Poppy 0.53% more often than would be expected.
The average opponent winrate against Poppy is 48.26%.


Janna
the Storm's Fury
Senna wins against Janna 46.81% of the time which is 1.59% lower against Janna than the average opponent.
After normalising both champions win rates Senna wins against Janna 0.41% more often than would be expected.
The average opponent winrate against Janna is 48.40%.


Zyra
Rise of the Thorns
Senna wins against Zyra 46.82% of the time which is 3.78% lower against Zyra than the average opponent.
After normalising both champions win rates Senna wins against Zyra 1.78% less often than would be expected.
The average opponent winrate against Zyra is 50.60%.


Lulu
the Fae Sorceress
Senna wins against Lulu 47.12% of the time which is 1.49% lower against Lulu than the average opponent.
After normalising both champions win rates Senna wins against Lulu 0.51% more often than would be expected.
The average opponent winrate against Lulu is 48.61%.


Braum
the Heart of the Freljord
Senna wins against Braum 47.14% of the time which is 1.96% lower against Braum than the average opponent.
After normalising both champions win rates Senna wins against Braum 0.04% more often than would be expected.
The average opponent winrate against Braum is 49.10%.


Renata Glasc
the Chem-Baroness
Senna wins against Renata Glasc 47.42% of the time which is 2.11% lower against Renata Glasc than the average opponent.
After normalising both champions win rates Senna wins against Renata Glasc 0.11% less often than would be expected.
The average opponent winrate against Renata Glasc is 49.53%.


Yuumi
the Magical Cat
Senna wins against Yuumi 47.81% of the time which is 4.12% lower against Yuumi than the average opponent.
After normalising both champions win rates Senna wins against Yuumi 2.12% less often than would be expected.
The average opponent winrate against Yuumi is 51.93%.


Shaco
the Demon Jester
Senna wins against Shaco 47.83% of the time which is 2.97% lower against Shaco than the average opponent.
After normalising both champions win rates Senna wins against Shaco 0.97% less often than would be expected.
The average opponent winrate against Shaco is 50.80%.


Soraka
the Starchild
Senna wins against Soraka 47.86% of the time which is 0.83% lower against Soraka than the average opponent.
After normalising both champions win rates Senna wins against Soraka 1.17% more often than would be expected.
The average opponent winrate against Soraka is 48.69%.


Thresh
the Chain Warden
Senna wins against Thresh 48.08% of the time which is 1.50% lower against Thresh than the average opponent.
After normalising both champions win rates Senna wins against Thresh 0.50% more often than would be expected.
The average opponent winrate against Thresh is 49.58%.


Karma
the Enlightened One
Senna wins against Karma 48.14% of the time which is 2.12% lower against Karma than the average opponent.
After normalising both champions win rates Senna wins against Karma 0.12% less often than would be expected.
The average opponent winrate against Karma is 50.26%.


Taric
the Shield of Valoran
Senna wins against Taric 48.41% of the time which is 0.78% higher against Taric than the average opponent.
After normalising both champions win rates Senna wins against Taric 2.77% more often than would be expected.
The average opponent winrate against Taric is 47.63%.


Milio
The Gentle Flame
Senna wins against Milio 48.60% of the time which is 0.07% lower against Milio than the average opponent.
After normalising both champions win rates Senna wins against Milio 1.93% more often than would be expected.
The average opponent winrate against Milio is 48.67%.


Swain
the Noxian Grand General
Senna wins against Swain 49.26% of the time which is 2.22% lower against Swain than the average opponent.
After normalising both champions win rates Senna wins against Swain 0.22% less often than would be expected.
The average opponent winrate against Swain is 51.48%.


Rell
the Iron Maiden
Senna wins against Rell 49.31% of the time which is 0.42% higher against Rell than the average opponent.
After normalising both champions win rates Senna wins against Rell 2.42% more often than would be expected.
The average opponent winrate against Rell is 48.89%.


Neeko
the Curious Chameleon
Senna wins against Neeko 49.48% of the time which is 1.16% lower against Neeko than the average opponent.
After normalising both champions win rates Senna wins against Neeko 0.84% more often than would be expected.
The average opponent winrate against Neeko is 50.64%.


Morgana
the Fallen
Senna wins against Morgana 49.78% of the time which is 0.76% lower against Morgana than the average opponent.
After normalising both champions win rates Senna wins against Morgana 1.24% more often than would be expected.
The average opponent winrate against Morgana is 50.54%.


Sona
Maven of the Strings
Senna wins against Sona 50.09% of the time which is 2.44% higher against Sona than the average opponent.
After normalising both champions win rates Senna wins against Sona 4.43% more often than would be expected.
The average opponent winrate against Sona is 47.65%.


Brand
the Burning Vengeance
Senna wins against Brand 50.67% of the time which is 0.55% lower against Brand than the average opponent.
After normalising both champions win rates Senna wins against Brand 1.45% more often than would be expected.
The average opponent winrate against Brand is 51.22%.


Rakan
The Charmer
Senna wins against Rakan 51.12% of the time which is 0.94% higher against Rakan than the average opponent.
After normalising both champions win rates Senna wins against Rakan 2.94% more often than would be expected.
The average opponent winrate against Rakan is 50.18%.


Seraphine
the Starry-Eyed Songstress
Senna wins against Seraphine 52.15% of the time which is 2.25% higher against Seraphine than the average opponent.
After normalising both champions win rates Senna wins against Seraphine 4.25% more often than would be expected.
The average opponent winrate against Seraphine is 49.90%.


Fiddlesticks
the Ancient Fear
Senna wins against Fiddlesticks 52.83% of the time which is 3.73% higher against Fiddlesticks than the average opponent.
After normalising both champions win rates Senna wins against Fiddlesticks 5.73% more often than would be expected.
The average opponent winrate against Fiddlesticks is 49.10%.


Mel
the Soul's Reflection
Senna wins against Mel 54.05% of the time which is 1.16% lower against Mel than the average opponent.
After normalising both champions win rates Senna wins against Mel 0.83% more often than would be expected.
The average opponent winrate against Mel is 55.21%.


Alistar
the Minotaur
Senna wins against Alistar 54.11% of the time which is 4.01% higher against Alistar than the average opponent.
After normalising both champions win rates Senna wins against Alistar 6.01% more often than would be expected.
The average opponent winrate against Alistar is 50.10%.


Maokai
the Twisted Treant
Senna wins against Maokai 54.38% of the time which is 4.68% higher against Maokai than the average opponent.
After normalising both champions win rates Senna wins against Maokai 6.68% more often than would be expected.
The average opponent winrate against Maokai is 49.70%.


Tahm Kench
The River King
Senna wins against Tahm Kench 56.15% of the time which is 4.10% higher against Tahm Kench than the average opponent.
After normalising both champions win rates Senna wins against Tahm Kench 6.10% more often than would be expected.
The average opponent winrate against Tahm Kench is 52.05%.


Sylas
the Unshackled
Senna wins against Sylas 61.22% of the time which is 10.34% higher against Sylas than the average opponent.
After normalising both champions win rates Senna wins against Sylas 12.34% more often than would be expected.
The average opponent winrate against Sylas is 50.88%.