

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.
Diamond+ Champions Analysed: 6,035,357
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 15.9 is the strongest counter to support champions of Mel, Brand & Shaco. While Senna support is countered most by support champions of Sylas, Vel'Koz & Elise. Below is a detailed breakdown of Senna support counters against support champions with a minimum of 100 games.


Sylas
the Unshackled
Senna wins against Sylas 45.13% of the time which is 5.57% lower against Sylas than the average opponent.
After normalising both champions win rates Senna wins against Sylas 7.35% less often than would be expected.
The average opponent winrate against Sylas is 50.70%.


Vel'Koz
the Eye of the Void
Senna wins against Vel'Koz 46.11% of the time which is 2.51% lower against Vel'Koz than the average opponent.
After normalising both champions win rates Senna wins against Vel'Koz 4.29% less often than would be expected.
The average opponent winrate against Vel'Koz is 48.62%.


Elise
the Spider Queen
Senna wins against Elise 46.27% of the time which is 0.94% lower against Elise than the average opponent.
After normalising both champions win rates Senna wins against Elise 2.72% less often than would be expected.
The average opponent winrate against Elise is 47.21%.


Zilean
the Chronokeeper
Senna wins against Zilean 46.73% of the time which is 1.07% lower against Zilean than the average opponent.
After normalising both champions win rates Senna wins against Zilean 2.85% less often than would be expected.
The average opponent winrate against Zilean is 47.80%.


Shen
the Eye of Twilight
Senna wins against Shen 47.75% of the time which is 1.27% lower against Shen than the average opponent.
After normalising both champions win rates Senna wins against Shen 3.05% less often than would be expected.
The average opponent winrate against Shen is 49.02%.


Neeko
the Curious Chameleon
Senna wins against Neeko 47.89% of the time which is 1.47% lower against Neeko than the average opponent.
After normalising both champions win rates Senna wins against Neeko 3.25% less often than would be expected.
The average opponent winrate against Neeko is 49.36%.


Fiddlesticks
the Ancient Fear
Senna wins against Fiddlesticks 48.24% of the time which is 3.82% higher against Fiddlesticks than the average opponent.
After normalising both champions win rates Senna wins against Fiddlesticks 2.05% more often than would be expected.
The average opponent winrate against Fiddlesticks is 44.42%.


Leona
the Radiant Dawn
Senna wins against Leona 48.27% of the time which is 0.40% higher against Leona than the average opponent.
After normalising both champions win rates Senna wins against Leona 1.38% less often than would be expected.
The average opponent winrate against Leona is 47.87%.


Blitzcrank
the Great Steam Golem
Senna wins against Blitzcrank 48.40% of the time which is 0.33% lower against Blitzcrank than the average opponent.
After normalising both champions win rates Senna wins against Blitzcrank 2.11% less often than would be expected.
The average opponent winrate against Blitzcrank is 48.73%.


Renata Glasc
the Chem-Baroness
Senna wins against Renata Glasc 48.45% of the time which is 0.37% lower against Renata Glasc than the average opponent.
After normalising both champions win rates Senna wins against Renata Glasc 2.15% less often than would be expected.
The average opponent winrate against Renata Glasc is 48.82%.


Lulu
the Fae Sorceress
Senna wins against Lulu 48.70% of the time which is 1.23% higher against Lulu than the average opponent.
After normalising both champions win rates Senna wins against Lulu 0.55% less often than would be expected.
The average opponent winrate against Lulu is 47.47%.


Pyke
the Bloodharbor Ripper
Senna wins against Pyke 48.83% of the time which is 0.13% lower against Pyke than the average opponent.
After normalising both champions win rates Senna wins against Pyke 1.91% less often than would be expected.
The average opponent winrate against Pyke is 48.96%.


Taric
the Shield of Valoran
Senna wins against Taric 49.04% of the time which is 2.18% higher against Taric than the average opponent.
After normalising both champions win rates Senna wins against Taric 0.40% more often than would be expected.
The average opponent winrate against Taric is 46.86%.


Rell
the Iron Maiden
Senna wins against Rell 49.32% of the time which is 1.58% higher against Rell than the average opponent.
After normalising both champions win rates Senna wins against Rell 0.20% less often than would be expected.
The average opponent winrate against Rell is 47.74%.


Karma
the Enlightened One
Senna wins against Karma 49.43% of the time which is 0.29% lower against Karma than the average opponent.
After normalising both champions win rates Senna wins against Karma 2.07% less often than would be expected.
The average opponent winrate against Karma is 49.72%.


Morgana
the Fallen
Senna wins against Morgana 49.82% of the time which is 0.81% higher against Morgana than the average opponent.
After normalising both champions win rates Senna wins against Morgana 0.97% less often than would be expected.
The average opponent winrate against Morgana is 49.01%.


Alistar
the Minotaur
Senna wins against Alistar 50.00% of the time which is 1.52% higher against Alistar than the average opponent.
After normalising both champions win rates Senna wins against Alistar 0.26% less often than would be expected.
The average opponent winrate against Alistar is 48.48%.


Braum
the Heart of the Freljord
Senna wins against Braum 50.05% of the time which is 3.07% higher against Braum than the average opponent.
After normalising both champions win rates Senna wins against Braum 1.29% more often than would be expected.
The average opponent winrate against Braum is 46.98%.


Janna
the Storm's Fury
Senna wins against Janna 50.12% of the time which is 2.60% higher against Janna than the average opponent.
After normalising both champions win rates Senna wins against Janna 0.82% more often than would be expected.
The average opponent winrate against Janna is 47.52%.


Nami
the Tidecaller
Senna wins against Nami 50.33% of the time which is 2.38% higher against Nami than the average opponent.
After normalising both champions win rates Senna wins against Nami 0.60% more often than would be expected.
The average opponent winrate against Nami is 47.95%.


Tahm Kench
The River King
Senna wins against Tahm Kench 50.75% of the time which is 1.35% higher against Tahm Kench than the average opponent.
After normalising both champions win rates Senna wins against Tahm Kench 0.43% less often than would be expected.
The average opponent winrate against Tahm Kench is 49.40%.


Nidalee
the Bestial Huntress
Senna wins against Nidalee 50.86% of the time which is 0.15% higher against Nidalee than the average opponent.
After normalising both champions win rates Senna wins against Nidalee 1.63% less often than would be expected.
The average opponent winrate against Nidalee is 50.71%.


Bard
the Wandering Caretaker
Senna wins against Bard 50.88% of the time which is 2.68% higher against Bard than the average opponent.
After normalising both champions win rates Senna wins against Bard 0.90% more often than would be expected.
The average opponent winrate against Bard is 48.20%.


Nautilus
the Titan of the Depths
Senna wins against Nautilus 51.01% of the time which is 1.12% higher against Nautilus than the average opponent.
After normalising both champions win rates Senna wins against Nautilus 0.66% less often than would be expected.
The average opponent winrate against Nautilus is 49.89%.


Yuumi
the Magical Cat
Senna wins against Yuumi 51.08% of the time which is 0.88% higher against Yuumi than the average opponent.
After normalising both champions win rates Senna wins against Yuumi 0.90% less often than would be expected.
The average opponent winrate against Yuumi is 50.20%.


Lux
the Lady of Luminosity
Senna wins against Lux 51.12% of the time which is 0.40% lower against Lux than the average opponent.
After normalising both champions win rates Senna wins against Lux 2.18% less often than would be expected.
The average opponent winrate against Lux is 51.52%.


Thresh
the Chain Warden
Senna wins against Thresh 51.21% of the time which is 3.09% higher against Thresh than the average opponent.
After normalising both champions win rates Senna wins against Thresh 1.31% more often than would be expected.
The average opponent winrate against Thresh is 48.12%.


Sona
Maven of the Strings
Senna wins against Sona 51.26% of the time which is 4.50% higher against Sona than the average opponent.
After normalising both champions win rates Senna wins against Sona 2.72% more often than would be expected.
The average opponent winrate against Sona is 46.76%.


Maokai
the Twisted Treant
Senna wins against Maokai 51.37% of the time which is 3.97% higher against Maokai than the average opponent.
After normalising both champions win rates Senna wins against Maokai 2.19% more often than would be expected.
The average opponent winrate against Maokai is 47.40%.


Soraka
the Starchild
Senna wins against Soraka 52.14% of the time which is 4.17% higher against Soraka than the average opponent.
After normalising both champions win rates Senna wins against Soraka 2.39% more often than would be expected.
The average opponent winrate against Soraka is 47.97%.


Swain
the Noxian Grand General
Senna wins against Swain 52.46% of the time which is 2.16% higher against Swain than the average opponent.
After normalising both champions win rates Senna wins against Swain 0.38% more often than would be expected.
The average opponent winrate against Swain is 50.30%.


Zyra
Rise of the Thorns
Senna wins against Zyra 52.52% of the time which is 3.27% higher against Zyra than the average opponent.
After normalising both champions win rates Senna wins against Zyra 1.49% more often than would be expected.
The average opponent winrate against Zyra is 49.25%.


Poppy
Keeper of the Hammer
Senna wins against Poppy 52.63% of the time which is 5.47% higher against Poppy than the average opponent.
After normalising both champions win rates Senna wins against Poppy 3.69% more often than would be expected.
The average opponent winrate against Poppy is 47.16%.


Milio
The Gentle Flame
Senna wins against Milio 52.79% of the time which is 4.41% higher against Milio than the average opponent.
After normalising both champions win rates Senna wins against Milio 2.63% more often than would be expected.
The average opponent winrate against Milio is 48.38%.


Rakan
The Charmer
Senna wins against Rakan 52.95% of the time which is 4.18% higher against Rakan than the average opponent.
After normalising both champions win rates Senna wins against Rakan 2.40% more often than would be expected.
The average opponent winrate against Rakan is 48.77%.


Pantheon
the Unbreakable Spear
Senna wins against Pantheon 53.04% of the time which is 3.82% higher against Pantheon than the average opponent.
After normalising both champions win rates Senna wins against Pantheon 2.04% more often than would be expected.
The average opponent winrate against Pantheon is 49.22%.


Seraphine
the Starry-Eyed Songstress
Senna wins against Seraphine 53.10% of the time which is 3.61% higher against Seraphine than the average opponent.
After normalising both champions win rates Senna wins against Seraphine 1.83% more often than would be expected.
The average opponent winrate against Seraphine is 49.49%.


Xerath
the Magus Ascendant
Senna wins against Xerath 54.07% of the time which is 4.20% higher against Xerath than the average opponent.
After normalising both champions win rates Senna wins against Xerath 2.42% more often than would be expected.
The average opponent winrate against Xerath is 49.87%.


Shaco
the Demon Jester
Senna wins against Shaco 55.14% of the time which is 4.42% higher against Shaco than the average opponent.
After normalising both champions win rates Senna wins against Shaco 2.64% more often than would be expected.
The average opponent winrate against Shaco is 50.72%.


Brand
the Burning Vengeance
Senna wins against Brand 55.88% of the time which is 5.09% higher against Brand than the average opponent.
After normalising both champions win rates Senna wins against Brand 3.31% more often than would be expected.
The average opponent winrate against Brand is 50.79%.


Mel
the Soul's Reflection
Senna wins against Mel 58.67% of the time which is 4.43% higher against Mel than the average opponent.
After normalising both champions win rates Senna wins against Mel 2.65% more often than would be expected.
The average opponent winrate against Mel is 54.24%.