

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.
All Ranks Champions Analysed: 48,461,290
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 top vs support Counters
Senna top on Patch 15.11 is the strongest counter to support champions of Rell, Pyke & Mel. While Senna top is countered most by support champions of Janna, Ashe & Pantheon. Below is a detailed breakdown of Senna top counters against support champions with a minimum of 100 games.


Janna
the Storm's Fury
Senna wins against Janna 38.29% of the time which is 10.53% lower against Janna than the average opponent.
After normalising both champions win rates Senna wins against Janna 6.47% less often than would be expected.
The average opponent winrate against Janna is 48.82%.


Ashe
the Frost Archer
Senna wins against Ashe 38.81% of the time which is 15.23% lower against Ashe than the average opponent.
After normalising both champions win rates Senna wins against Ashe 11.16% less often than would be expected.
The average opponent winrate against Ashe is 54.04%.


Pantheon
the Unbreakable Spear
Senna wins against Pantheon 40.95% of the time which is 8.99% lower against Pantheon than the average opponent.
After normalising both champions win rates Senna wins against Pantheon 4.92% less often than would be expected.
The average opponent winrate against Pantheon is 49.94%.


Elise
the Spider Queen
Senna wins against Elise 41.18% of the time which is 8.21% lower against Elise than the average opponent.
After normalising both champions win rates Senna wins against Elise 4.14% less often than would be expected.
The average opponent winrate against Elise is 49.39%.


Sona
Maven of the Strings
Senna wins against Sona 41.56% of the time which is 5.95% lower against Sona than the average opponent.
After normalising both champions win rates Senna wins against Sona 1.91% less often than would be expected.
The average opponent winrate against Sona is 47.51%.


Maokai
the Twisted Treant
Senna wins against Maokai 42.13% of the time which is 6.78% lower against Maokai than the average opponent.
After normalising both champions win rates Senna wins against Maokai 2.72% less often than would be expected.
The average opponent winrate against Maokai is 48.91%.


Milio
The Gentle Flame
Senna wins against Milio 42.24% of the time which is 5.30% lower against Milio than the average opponent.
After normalising both champions win rates Senna wins against Milio 1.26% less often than would be expected.
The average opponent winrate against Milio is 47.54%.


Leona
the Radiant Dawn
Senna wins against Leona 42.55% of the time which is 6.34% lower against Leona than the average opponent.
After normalising both champions win rates Senna wins against Leona 2.28% less often than would be expected.
The average opponent winrate against Leona is 48.89%.


Teemo
the Swift Scout
Senna wins against Teemo 42.76% of the time which is 4.79% lower against Teemo than the average opponent.
After normalising both champions win rates Senna wins against Teemo 0.75% less often than would be expected.
The average opponent winrate against Teemo is 47.55%.


Shen
the Eye of Twilight
Senna wins against Shen 43.36% of the time which is 5.58% lower against Shen than the average opponent.
After normalising both champions win rates Senna wins against Shen 1.52% less often than would be expected.
The average opponent winrate against Shen is 48.94%.


Swain
the Noxian Grand General
Senna wins against Swain 43.89% of the time which is 5.97% lower against Swain than the average opponent.
After normalising both champions win rates Senna wins against Swain 1.90% less often than would be expected.
The average opponent winrate against Swain is 49.86%.


Soraka
the Starchild
Senna wins against Soraka 44.05% of the time which is 4.35% lower against Soraka than the average opponent.
After normalising both champions win rates Senna wins against Soraka 0.29% less often than would be expected.
The average opponent winrate against Soraka is 48.40%.


Blitzcrank
the Great Steam Golem
Senna wins against Blitzcrank 44.21% of the time which is 6.59% lower against Blitzcrank than the average opponent.
After normalising both champions win rates Senna wins against Blitzcrank 2.52% less often than would be expected.
The average opponent winrate against Blitzcrank is 50.80%.


Bard
the Wandering Caretaker
Senna wins against Bard 44.32% of the time which is 5.89% lower against Bard than the average opponent.
After normalising both champions win rates Senna wins against Bard 1.82% less often than would be expected.
The average opponent winrate against Bard is 50.21%.


Sylas
the Unshackled
Senna wins against Sylas 44.44% of the time which is 6.08% lower against Sylas than the average opponent.
After normalising both champions win rates Senna wins against Sylas 2.01% less often than would be expected.
The average opponent winrate against Sylas is 50.52%.


Seraphine
the Starry-Eyed Songstress
Senna wins against Seraphine 44.51% of the time which is 6.45% lower against Seraphine than the average opponent.
After normalising both champions win rates Senna wins against Seraphine 2.38% less often than would be expected.
The average opponent winrate against Seraphine is 50.96%.


Poppy
Keeper of the Hammer
Senna wins against Poppy 44.63% of the time which is 4.43% lower against Poppy than the average opponent.
After normalising both champions win rates Senna wins against Poppy 0.37% less often than would be expected.
The average opponent winrate against Poppy is 49.06%.


Zilean
the Chronokeeper
Senna wins against Zilean 44.64% of the time which is 4.22% lower against Zilean than the average opponent.
After normalising both champions win rates Senna wins against Zilean 0.16% less often than would be expected.
The average opponent winrate against Zilean is 48.86%.


Morgana
the Fallen
Senna wins against Morgana 44.73% of the time which is 4.08% lower against Morgana than the average opponent.
After normalising both champions win rates Senna wins against Morgana 0.02% less often than would be expected.
The average opponent winrate against Morgana is 48.81%.


Zyra
Rise of the Thorns
Senna wins against Zyra 44.75% of the time which is 3.91% lower against Zyra than the average opponent.
After normalising both champions win rates Senna wins against Zyra 0.15% more often than would be expected.
The average opponent winrate against Zyra is 48.66%.


Lux
the Lady of Luminosity
Senna wins against Lux 44.86% of the time which is 4.95% lower against Lux than the average opponent.
After normalising both champions win rates Senna wins against Lux 0.88% less often than would be expected.
The average opponent winrate against Lux is 49.81%.


Brand
the Burning Vengeance
Senna wins against Brand 45.24% of the time which is 4.50% lower against Brand than the average opponent.
After normalising both champions win rates Senna wins against Brand 0.43% less often than would be expected.
The average opponent winrate against Brand is 49.74%.


Nami
the Tidecaller
Senna wins against Nami 45.32% of the time which is 2.69% lower against Nami than the average opponent.
After normalising both champions win rates Senna wins against Nami 1.36% more often than would be expected.
The average opponent winrate against Nami is 48.01%.


Lulu
the Fae Sorceress
Senna wins against Lulu 45.77% of the time which is 3.74% lower against Lulu than the average opponent.
After normalising both champions win rates Senna wins against Lulu 0.33% more often than would be expected.
The average opponent winrate against Lulu is 49.51%.


Karma
the Enlightened One
Senna wins against Karma 45.99% of the time which is 4.49% lower against Karma than the average opponent.
After normalising both champions win rates Senna wins against Karma 0.42% less often than would be expected.
The average opponent winrate against Karma is 50.48%.


Thresh
the Chain Warden
Senna wins against Thresh 46.05% of the time which is 3.57% 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 49.62%.


Neeko
the Curious Chameleon
Senna wins against Neeko 46.20% of the time which is 5.08% lower against Neeko than the average opponent.
After normalising both champions win rates Senna wins against Neeko 1.00% less often than would be expected.
The average opponent winrate against Neeko is 51.28%.


Braum
the Heart of the Freljord
Senna wins against Braum 46.31% of the time which is 1.89% lower against Braum than the average opponent.
After normalising both champions win rates Senna wins against Braum 2.16% more often than would be expected.
The average opponent winrate against Braum is 48.20%.


Nautilus
the Titan of the Depths
Senna wins against Nautilus 46.40% of the time which is 4.18% lower against Nautilus than the average opponent.
After normalising both champions win rates Senna wins against Nautilus 0.11% less often than would be expected.
The average opponent winrate against Nautilus is 50.58%.


Vel'Koz
the Eye of the Void
Senna wins against Vel'Koz 46.52% of the time which is 2.36% lower against Vel'Koz than the average opponent.
After normalising both champions win rates Senna wins against Vel'Koz 1.70% more often than would be expected.
The average opponent winrate against Vel'Koz is 48.88%.


Shaco
the Demon Jester
Senna wins against Shaco 46.63% of the time which is 2.30% lower against Shaco than the average opponent.
After normalising both champions win rates Senna wins against Shaco 1.76% more often than would be expected.
The average opponent winrate against Shaco is 48.93%.


Rakan
The Charmer
Senna wins against Rakan 46.92% of the time which is 3.30% lower against Rakan than the average opponent.
After normalising both champions win rates Senna wins against Rakan 0.77% more often than would be expected.
The average opponent winrate against Rakan is 50.22%.


Xerath
the Magus Ascendant
Senna wins against Xerath 47.35% of the time which is 2.05% lower against Xerath than the average opponent.
After normalising both champions win rates Senna wins against Xerath 2.02% more often than would be expected.
The average opponent winrate against Xerath is 49.40%.


Alistar
the Minotaur
Senna wins against Alistar 48.15% of the time which is 1.87% lower against Alistar than the average opponent.
After normalising both champions win rates Senna wins against Alistar 2.20% more often than would be expected.
The average opponent winrate against Alistar is 50.02%.


Yuumi
the Magical Cat
Senna wins against Yuumi 48.47% of the time which is 2.94% lower against Yuumi than the average opponent.
After normalising both champions win rates Senna wins against Yuumi 1.14% more often than would be expected.
The average opponent winrate against Yuumi is 51.41%.


Tahm Kench
The River King
Senna wins against Tahm Kench 48.56% of the time which is 1.47% lower against Tahm Kench than the average opponent.
After normalising both champions win rates Senna wins against Tahm Kench 2.60% more often than would be expected.
The average opponent winrate against Tahm Kench is 50.03%.


Malphite
Shard of the Monolith
Senna wins against Malphite 48.61% of the time which is 2.99% lower against Malphite than the average opponent.
After normalising both champions win rates Senna wins against Malphite 1.09% more often than would be expected.
The average opponent winrate against Malphite is 51.60%.


Fiddlesticks
the Ancient Fear
Senna wins against Fiddlesticks 48.65% of the time which is 1.04% lower against Fiddlesticks than the average opponent.
After normalising both champions win rates Senna wins against Fiddlesticks 3.03% more often than would be expected.
The average opponent winrate against Fiddlesticks is 49.69%.


Mel
the Soul's Reflection
Senna wins against Mel 49.81% of the time which is 3.18% lower against Mel than the average opponent.
After normalising both champions win rates Senna wins against Mel 0.90% more often than would be expected.
The average opponent winrate against Mel is 52.99%.


Pyke
the Bloodharbor Ripper
Senna wins against Pyke 50.32% of the time which is 1.09% lower against Pyke than the average opponent.
After normalising both champions win rates Senna wins against Pyke 2.99% more often than would be expected.
The average opponent winrate against Pyke is 51.41%.


Rell
the Iron Maiden
Senna wins against Rell 51.16% of the time which is 2.30% higher against Rell than the average opponent.
After normalising both champions win rates Senna wins against Rell 6.36% more often than would be expected.
The average opponent winrate against Rell is 48.86%.