

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: 4,741,147
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 15.8 is the strongest counter to support champions of Miss Fortune, Alistar & Karma. While Senna support is countered most by support champions of Galio, Vel'Koz & Taric. Below is a detailed breakdown of Senna support counters against support champions with a minimum of 100 games.


Galio
the Colossus
Senna wins against Galio 36.59% of the time which is 14.68% lower against Galio than the average opponent.
After normalising both champions win rates Senna wins against Galio 8.04% less often than would be expected.
The average opponent winrate against Galio is 51.27%.


Vel'Koz
the Eye of the Void
Senna wins against Vel'Koz 39.45% of the time which is 11.61% lower against Vel'Koz than the average opponent.
After normalising both champions win rates Senna wins against Vel'Koz 4.97% less often than would be expected.
The average opponent winrate against Vel'Koz is 51.06%.


Taric
the Shield of Valoran
Senna wins against Taric 39.82% of the time which is 11.38% lower against Taric than the average opponent.
After normalising both champions win rates Senna wins against Taric 4.74% less often than would be expected.
The average opponent winrate against Taric is 51.20%.


Soraka
the Starchild
Senna wins against Soraka 41.56% of the time which is 10.27% lower against Soraka than the average opponent.
After normalising both champions win rates Senna wins against Soraka 3.62% less often than would be expected.
The average opponent winrate against Soraka is 51.83%.


Sona
Maven of the Strings
Senna wins against Sona 41.75% of the time which is 9.87% lower against Sona than the average opponent.
After normalising both champions win rates Senna wins against Sona 3.23% less often than would be expected.
The average opponent winrate against Sona is 51.62%.


Janna
the Storm's Fury
Senna wins against Janna 41.91% of the time which is 11.53% lower against Janna than the average opponent.
After normalising both champions win rates Senna wins against Janna 4.89% less often than would be expected.
The average opponent winrate against Janna is 53.44%.


Shen
the Eye of Twilight
Senna wins against Shen 41.96% of the time which is 8.90% lower against Shen than the average opponent.
After normalising both champions win rates Senna wins against Shen 2.26% less often than would be expected.
The average opponent winrate against Shen is 50.86%.


Morgana
the Fallen
Senna wins against Morgana 42.21% of the time which is 8.53% lower against Morgana than the average opponent.
After normalising both champions win rates Senna wins against Morgana 1.89% less often than would be expected.
The average opponent winrate against Morgana is 50.74%.


Veigar
the Tiny Master of Evil
Senna wins against Veigar 42.54% of the time which is 11.49% lower against Veigar than the average opponent.
After normalising both champions win rates Senna wins against Veigar 4.85% less often than would be expected.
The average opponent winrate against Veigar is 54.03%.


Bard
the Wandering Caretaker
Senna wins against Bard 42.75% of the time which is 11.31% lower against Bard than the average opponent.
After normalising both champions win rates Senna wins against Bard 4.67% less often than would be expected.
The average opponent winrate against Bard is 54.06%.


Nami
the Tidecaller
Senna wins against Nami 43.31% of the time which is 8.08% lower against Nami than the average opponent.
After normalising both champions win rates Senna wins against Nami 1.44% less often than would be expected.
The average opponent winrate against Nami is 51.39%.


Swain
the Noxian Grand General
Senna wins against Swain 43.52% of the time which is 7.25% lower against Swain than the average opponent.
After normalising both champions win rates Senna wins against Swain 0.61% less often than would be expected.
The average opponent winrate against Swain is 50.77%.


Zyra
Rise of the Thorns
Senna wins against Zyra 43.58% of the time which is 6.36% lower against Zyra than the average opponent.
After normalising both champions win rates Senna wins against Zyra 0.28% more often than would be expected.
The average opponent winrate against Zyra is 49.94%.


Nautilus
the Titan of the Depths
Senna wins against Nautilus 43.63% of the time which is 9.64% lower against Nautilus than the average opponent.
After normalising both champions win rates Senna wins against Nautilus 3.00% less often than would be expected.
The average opponent winrate against Nautilus is 53.27%.


Lux
the Lady of Luminosity
Senna wins against Lux 43.70% of the time which is 7.70% lower against Lux than the average opponent.
After normalising both champions win rates Senna wins against Lux 1.06% less often than would be expected.
The average opponent winrate against Lux is 51.40%.


Brand
the Burning Vengeance
Senna wins against Brand 43.75% of the time which is 7.45% lower against Brand than the average opponent.
After normalising both champions win rates Senna wins against Brand 0.81% less often than would be expected.
The average opponent winrate against Brand is 51.20%.


Teemo
the Swift Scout
Senna wins against Teemo 43.81% of the time which is 5.17% lower against Teemo than the average opponent.
After normalising both champions win rates Senna wins against Teemo 1.46% more often than would be expected.
The average opponent winrate against Teemo is 48.98%.


Shaco
the Demon Jester
Senna wins against Shaco 44.70% of the time which is 6.69% lower against Shaco than the average opponent.
After normalising both champions win rates Senna wins against Shaco 0.05% less often than would be expected.
The average opponent winrate against Shaco is 51.39%.


Thresh
the Chain Warden
Senna wins against Thresh 45.36% of the time which is 7.68% lower against Thresh than the average opponent.
After normalising both champions win rates Senna wins against Thresh 1.04% less often than would be expected.
The average opponent winrate against Thresh is 53.04%.


Poppy
Keeper of the Hammer
Senna wins against Poppy 45.49% of the time which is 6.70% lower against Poppy than the average opponent.
After normalising both champions win rates Senna wins against Poppy 0.06% less often than would be expected.
The average opponent winrate against Poppy is 52.19%.


Rell
the Iron Maiden
Senna wins against Rell 45.66% of the time which is 5.72% lower against Rell than the average opponent.
After normalising both champions win rates Senna wins against Rell 0.92% more often than would be expected.
The average opponent winrate against Rell is 51.38%.


Mel
the Soul's Reflection
Senna wins against Mel 45.72% of the time which is 8.12% lower against Mel than the average opponent.
After normalising both champions win rates Senna wins against Mel 1.48% less often than would be expected.
The average opponent winrate against Mel is 53.84%.


Braum
the Heart of the Freljord
Senna wins against Braum 46.12% of the time which is 5.28% lower against Braum than the average opponent.
After normalising both champions win rates Senna wins against Braum 1.36% more often than would be expected.
The average opponent winrate against Braum is 51.40%.


Xerath
the Magus Ascendant
Senna wins against Xerath 46.51% of the time which is 5.48% lower against Xerath than the average opponent.
After normalising both champions win rates Senna wins against Xerath 1.17% more often than would be expected.
The average opponent winrate against Xerath is 51.99%.


Milio
The Gentle Flame
Senna wins against Milio 46.85% of the time which is 4.03% lower against Milio than the average opponent.
After normalising both champions win rates Senna wins against Milio 2.61% more often than would be expected.
The average opponent winrate against Milio is 50.88%.


Seraphine
the Starry-Eyed Songstress
Senna wins against Seraphine 46.97% of the time which is 6.08% lower against Seraphine than the average opponent.
After normalising both champions win rates Senna wins against Seraphine 0.56% more often than would be expected.
The average opponent winrate against Seraphine is 53.05%.


Tahm Kench
The River King
Senna wins against Tahm Kench 47.23% of the time which is 6.02% lower against Tahm Kench than the average opponent.
After normalising both champions win rates Senna wins against Tahm Kench 0.62% more often than would be expected.
The average opponent winrate against Tahm Kench is 53.25%.


Pantheon
the Unbreakable Spear
Senna wins against Pantheon 47.57% of the time which is 4.47% lower against Pantheon than the average opponent.
After normalising both champions win rates Senna wins against Pantheon 2.18% more often than would be expected.
The average opponent winrate against Pantheon is 52.04%.


Lulu
the Fae Sorceress
Senna wins against Lulu 47.99% of the time which is 6.01% lower against Lulu than the average opponent.
After normalising both champions win rates Senna wins against Lulu 0.63% more often than would be expected.
The average opponent winrate against Lulu is 54.00%.


Blitzcrank
the Great Steam Golem
Senna wins against Blitzcrank 48.53% of the time which is 4.74% lower against Blitzcrank than the average opponent.
After normalising both champions win rates Senna wins against Blitzcrank 1.90% more often than would be expected.
The average opponent winrate against Blitzcrank is 53.27%.


Malphite
Shard of the Monolith
Senna wins against Malphite 48.90% of the time which is 3.78% lower against Malphite than the average opponent.
After normalising both champions win rates Senna wins against Malphite 2.86% more often than would be expected.
The average opponent winrate against Malphite is 52.68%.


Leona
the Radiant Dawn
Senna wins against Leona 49.00% of the time which is 3.14% lower against Leona than the average opponent.
After normalising both champions win rates Senna wins against Leona 3.50% more often than would be expected.
The average opponent winrate against Leona is 52.14%.


Maokai
the Twisted Treant
Senna wins against Maokai 49.12% of the time which is 1.83% lower against Maokai than the average opponent.
After normalising both champions win rates Senna wins against Maokai 4.81% more often than would be expected.
The average opponent winrate against Maokai is 50.95%.


Pyke
the Bloodharbor Ripper
Senna wins against Pyke 49.28% of the time which is 4.80% lower against Pyke than the average opponent.
After normalising both champions win rates Senna wins against Pyke 1.84% more often than would be expected.
The average opponent winrate against Pyke is 54.08%.


Yuumi
the Magical Cat
Senna wins against Yuumi 49.74% of the time which is 6.06% lower against Yuumi than the average opponent.
After normalising both champions win rates Senna wins against Yuumi 0.56% more often than would be expected.
The average opponent winrate against Yuumi is 55.80%.


Sylas
the Unshackled
Senna wins against Sylas 50.48% of the time which is 1.89% lower against Sylas than the average opponent.
After normalising both champions win rates Senna wins against Sylas 4.75% more often than would be expected.
The average opponent winrate against Sylas is 52.37%.


Zilean
the Chronokeeper
Senna wins against Zilean 51.41% of the time which is 2.00% lower against Zilean than the average opponent.
After normalising both champions win rates Senna wins against Zilean 4.64% more often than would be expected.
The average opponent winrate against Zilean is 53.41%.


Neeko
the Curious Chameleon
Senna wins against Neeko 51.82% of the time which is 1.31% lower against Neeko than the average opponent.
After normalising both champions win rates Senna wins against Neeko 5.33% more often than would be expected.
The average opponent winrate against Neeko is 53.13%.


Rakan
The Charmer
Senna wins against Rakan 52.25% of the time which is 1.71% lower against Rakan than the average opponent.
After normalising both champions win rates Senna wins against Rakan 4.93% more often than would be expected.
The average opponent winrate against Rakan is 53.96%.


Ashe
the Frost Archer
Senna wins against Ashe 52.41% of the time which is 3.98% lower against Ashe than the average opponent.
After normalising both champions win rates Senna wins against Ashe 2.63% more often than would be expected.
The average opponent winrate against Ashe is 56.39%.


Renata Glasc
the Chem-Baroness
Senna wins against Renata Glasc 52.78% of the time which is 2.28% lower against Renata Glasc than the average opponent.
After normalising both champions win rates Senna wins against Renata Glasc 4.35% more often than would be expected.
The average opponent winrate against Renata Glasc is 55.06%.


Karma
the Enlightened One
Senna wins against Karma 53.66% of the time which is 0.38% lower against Karma than the average opponent.
After normalising both champions win rates Senna wins against Karma 6.26% more often than would be expected.
The average opponent winrate against Karma is 54.04%.


Alistar
the Minotaur
Senna wins against Alistar 53.68% of the time which is 0.20% lower against Alistar than the average opponent.
After normalising both champions win rates Senna wins against Alistar 6.44% more often than would be expected.
The average opponent winrate against Alistar is 53.88%.


Miss Fortune
the Bounty Hunter
Senna wins against Miss Fortune 59.03% of the time which is 1.06% higher against Miss Fortune than the average opponent.
After normalising both champions win rates Senna wins against Miss Fortune 7.65% more often than would be expected.
The average opponent winrate against Miss Fortune is 57.97%.