

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: 12,762,541
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 15.4 is the strongest counter to support champions of Miss Fortune, Ashe & Bard. While Senna support is countered most by support champions of Heimerdinger, Amumu & Sylas. Below is a detailed breakdown of Senna support counters against support champions with a minimum of 100 games.


Heimerdinger
the Revered Inventor
Senna wins against Heimerdinger 36.02% of the time which is 15.01% lower against Heimerdinger than the average opponent.
After normalising both champions win rates Senna wins against Heimerdinger 7.13% less often than would be expected.
The average opponent winrate against Heimerdinger is 51.03%.


Amumu
the Sad Mummy
Senna wins against Amumu 38.50% of the time which is 14.50% lower against Amumu than the average opponent.
After normalising both champions win rates Senna wins against Amumu 6.62% less often than would be expected.
The average opponent winrate against Amumu is 53.00%.


Sylas
the Unshackled
Senna wins against Sylas 39.33% of the time which is 15.16% lower against Sylas than the average opponent.
After normalising both champions win rates Senna wins against Sylas 7.29% less often than would be expected.
The average opponent winrate against Sylas is 54.49%.


LeBlanc
the Deceiver
Senna wins against LeBlanc 40.00% of the time which is 11.68% lower against LeBlanc than the average opponent.
After normalising both champions win rates Senna wins against LeBlanc 3.80% less often than would be expected.
The average opponent winrate against LeBlanc is 51.68%.


Shaco
the Demon Jester
Senna wins against Shaco 41.59% of the time which is 8.79% lower against Shaco than the average opponent.
After normalising both champions win rates Senna wins against Shaco 0.92% less often than would be expected.
The average opponent winrate against Shaco is 50.38%.


Braum
the Heart of the Freljord
Senna wins against Braum 41.90% of the time which is 10.67% lower against Braum than the average opponent.
After normalising both champions win rates Senna wins against Braum 2.79% less often than would be expected.
The average opponent winrate against Braum is 52.57%.


Brand
the Burning Vengeance
Senna wins against Brand 42.16% of the time which is 9.12% lower against Brand than the average opponent.
After normalising both champions win rates Senna wins against Brand 1.24% less often than would be expected.
The average opponent winrate against Brand is 51.28%.


Zyra
Rise of the Thorns
Senna wins against Zyra 42.27% of the time which is 8.52% lower against Zyra than the average opponent.
After normalising both champions win rates Senna wins against Zyra 0.64% less often than would be expected.
The average opponent winrate against Zyra is 50.79%.


Janna
the Storm's Fury
Senna wins against Janna 42.57% of the time which is 11.77% lower against Janna than the average opponent.
After normalising both champions win rates Senna wins against Janna 3.90% less often than would be expected.
The average opponent winrate against Janna is 54.34%.


Lux
the Lady of Luminosity
Senna wins against Lux 42.58% of the time which is 9.71% lower against Lux than the average opponent.
After normalising both champions win rates Senna wins against Lux 1.83% less often than would be expected.
The average opponent winrate against Lux is 52.29%.


Nami
the Tidecaller
Senna wins against Nami 42.84% of the time which is 9.06% lower against Nami than the average opponent.
After normalising both champions win rates Senna wins against Nami 1.18% less often than would be expected.
The average opponent winrate against Nami is 51.90%.


Xerath
the Magus Ascendant
Senna wins against Xerath 43.06% of the time which is 8.75% lower against Xerath than the average opponent.
After normalising both champions win rates Senna wins against Xerath 0.87% less often than would be expected.
The average opponent winrate against Xerath is 51.81%.


Swain
the Noxian Grand General
Senna wins against Swain 43.22% of the time which is 7.73% lower against Swain than the average opponent.
After normalising both champions win rates Senna wins against Swain 0.15% more often than would be expected.
The average opponent winrate against Swain is 50.95%.


Cho'Gath
the Terror of the Void
Senna wins against Cho'Gath 43.28% of the time which is 8.95% lower against Cho'Gath than the average opponent.
After normalising both champions win rates Senna wins against Cho'Gath 1.07% less often than would be expected.
The average opponent winrate against Cho'Gath is 52.23%.


Milio
The Gentle Flame
Senna wins against Milio 43.39% of the time which is 7.68% lower against Milio than the average opponent.
After normalising both champions win rates Senna wins against Milio 0.20% more often than would be expected.
The average opponent winrate against Milio is 51.07%.


Poppy
Keeper of the Hammer
Senna wins against Poppy 43.40% of the time which is 9.02% lower against Poppy than the average opponent.
After normalising both champions win rates Senna wins against Poppy 1.14% less often than would be expected.
The average opponent winrate against Poppy is 52.42%.


Sona
Maven of the Strings
Senna wins against Sona 43.53% of the time which is 8.22% lower against Sona than the average opponent.
After normalising both champions win rates Senna wins against Sona 0.34% less often than would be expected.
The average opponent winrate against Sona is 51.75%.


Hwei
the Visionary
Senna wins against Hwei 43.56% of the time which is 9.55% lower against Hwei than the average opponent.
After normalising both champions win rates Senna wins against Hwei 1.67% less often than would be expected.
The average opponent winrate against Hwei is 53.11%.


Taric
the Shield of Valoran
Senna wins against Taric 43.58% of the time which is 7.20% lower against Taric than the average opponent.
After normalising both champions win rates Senna wins against Taric 0.68% more often than would be expected.
The average opponent winrate against Taric is 50.78%.


Leona
the Radiant Dawn
Senna wins against Leona 44.18% of the time which is 8.32% lower against Leona than the average opponent.
After normalising both champions win rates Senna wins against Leona 0.44% less often than would be expected.
The average opponent winrate against Leona is 52.50%.


Veigar
the Tiny Master of Evil
Senna wins against Veigar 44.74% of the time which is 8.23% lower against Veigar than the average opponent.
After normalising both champions win rates Senna wins against Veigar 0.35% less often than would be expected.
The average opponent winrate against Veigar is 52.97%.


Morgana
the Fallen
Senna wins against Morgana 44.75% of the time which is 6.54% lower against Morgana than the average opponent.
After normalising both champions win rates Senna wins against Morgana 1.34% more often than would be expected.
The average opponent winrate against Morgana is 51.29%.


Teemo
the Swift Scout
Senna wins against Teemo 44.80% of the time which is 4.39% lower against Teemo than the average opponent.
After normalising both champions win rates Senna wins against Teemo 3.47% more often than would be expected.
The average opponent winrate against Teemo is 49.19%.


Nautilus
the Titan of the Depths
Senna wins against Nautilus 44.99% of the time which is 8.51% lower against Nautilus than the average opponent.
After normalising both champions win rates Senna wins against Nautilus 0.63% less often than would be expected.
The average opponent winrate against Nautilus is 53.50%.


Blitzcrank
the Great Steam Golem
Senna wins against Blitzcrank 45.12% of the time which is 8.87% lower against Blitzcrank than the average opponent.
After normalising both champions win rates Senna wins against Blitzcrank 1.00% less often than would be expected.
The average opponent winrate against Blitzcrank is 53.99%.


Neeko
the Curious Chameleon
Senna wins against Neeko 45.30% of the time which is 8.46% lower against Neeko than the average opponent.
After normalising both champions win rates Senna wins against Neeko 0.59% less often than would be expected.
The average opponent winrate against Neeko is 53.76%.


Anivia
the Cryophoenix
Senna wins against Anivia 45.31% of the time which is 12.01% lower against Anivia than the average opponent.
After normalising both champions win rates Senna wins against Anivia 4.18% less often than would be expected.
The average opponent winrate against Anivia is 57.32%.


Thresh
the Chain Warden
Senna wins against Thresh 45.37% of the time which is 8.39% lower against Thresh than the average opponent.
After normalising both champions win rates Senna wins against Thresh 0.52% less often than would be expected.
The average opponent winrate against Thresh is 53.76%.


Vel'Koz
the Eye of the Void
Senna wins against Vel'Koz 45.60% of the time which is 6.35% lower against Vel'Koz than the average opponent.
After normalising both champions win rates Senna wins against Vel'Koz 1.53% more often than would be expected.
The average opponent winrate against Vel'Koz is 51.95%.


Zilean
the Chronokeeper
Senna wins against Zilean 45.73% of the time which is 8.10% lower against Zilean than the average opponent.
After normalising both champions win rates Senna wins against Zilean 0.23% less often than would be expected.
The average opponent winrate against Zilean is 53.83%.


Tahm Kench
The River King
Senna wins against Tahm Kench 45.81% of the time which is 7.59% lower against Tahm Kench than the average opponent.
After normalising both champions win rates Senna wins against Tahm Kench 0.29% more often than would be expected.
The average opponent winrate against Tahm Kench is 53.40%.


Pantheon
the Unbreakable Spear
Senna wins against Pantheon 45.88% of the time which is 7.34% lower against Pantheon than the average opponent.
After normalising both champions win rates Senna wins against Pantheon 0.54% more often than would be expected.
The average opponent winrate against Pantheon is 53.22%.


Shen
the Eye of Twilight
Senna wins against Shen 46.11% of the time which is 5.74% lower against Shen than the average opponent.
After normalising both champions win rates Senna wins against Shen 2.14% more often than would be expected.
The average opponent winrate against Shen is 51.85%.


Fiddlesticks
the Ancient Fear
Senna wins against Fiddlesticks 46.46% of the time which is 5.93% lower against Fiddlesticks than the average opponent.
After normalising both champions win rates Senna wins against Fiddlesticks 1.95% more often than would be expected.
The average opponent winrate against Fiddlesticks is 52.39%.


Seraphine
the Starry-Eyed Songstress
Senna wins against Seraphine 46.61% of the time which is 6.56% lower against Seraphine than the average opponent.
After normalising both champions win rates Senna wins against Seraphine 1.32% more often than would be expected.
The average opponent winrate against Seraphine is 53.17%.


Pyke
the Bloodharbor Ripper
Senna wins against Pyke 46.70% of the time which is 8.30% lower against Pyke than the average opponent.
After normalising both champions win rates Senna wins against Pyke 0.44% less often than would be expected.
The average opponent winrate against Pyke is 55.00%.


Malphite
Shard of the Monolith
Senna wins against Malphite 46.92% of the time which is 5.64% lower against Malphite than the average opponent.
After normalising both champions win rates Senna wins against Malphite 2.24% more often than would be expected.
The average opponent winrate against Malphite is 52.56%.


Maokai
the Twisted Treant
Senna wins against Maokai 47.17% of the time which is 4.65% lower against Maokai than the average opponent.
After normalising both champions win rates Senna wins against Maokai 3.23% more often than would be expected.
The average opponent winrate against Maokai is 51.82%.


Elise
the Spider Queen
Senna wins against Elise 47.47% of the time which is 9.04% lower against Elise than the average opponent.
After normalising both champions win rates Senna wins against Elise 1.19% less often than would be expected.
The average opponent winrate against Elise is 56.51%.


Lulu
the Fae Sorceress
Senna wins against Lulu 47.63% of the time which is 6.94% lower against Lulu than the average opponent.
After normalising both champions win rates Senna wins against Lulu 0.93% more often than would be expected.
The average opponent winrate against Lulu is 54.57%.


Rell
the Iron Maiden
Senna wins against Rell 47.68% of the time which is 3.96% lower against Rell than the average opponent.
After normalising both champions win rates Senna wins against Rell 3.92% more often than would be expected.
The average opponent winrate against Rell is 51.64%.


Sion
The Undead Juggernaut
Senna wins against Sion 47.76% of the time which is 1.67% lower against Sion than the average opponent.
After normalising both champions win rates Senna wins against Sion 6.19% more often than would be expected.
The average opponent winrate against Sion is 49.43%.


Soraka
the Starchild
Senna wins against Soraka 47.86% of the time which is 5.86% lower against Soraka than the average opponent.
After normalising both champions win rates Senna wins against Soraka 2.01% more often than would be expected.
The average opponent winrate against Soraka is 53.72%.


Karma
the Enlightened One
Senna wins against Karma 47.88% of the time which is 5.54% lower against Karma than the average opponent.
After normalising both champions win rates Senna wins against Karma 2.34% more often than would be expected.
The average opponent winrate against Karma is 53.42%.


Alistar
the Minotaur
Senna wins against Alistar 48.50% of the time which is 5.20% lower against Alistar than the average opponent.
After normalising both champions win rates Senna wins against Alistar 2.67% more often than would be expected.
The average opponent winrate against Alistar is 53.70%.


Renata Glasc
the Chem-Baroness
Senna wins against Renata Glasc 48.89% of the time which is 5.52% lower against Renata Glasc than the average opponent.
After normalising both champions win rates Senna wins against Renata Glasc 2.35% more often than would be expected.
The average opponent winrate against Renata Glasc is 54.41%.


Sett
the Boss
Senna wins against Sett 48.91% of the time which is 3.46% lower against Sett than the average opponent.
After normalising both champions win rates Senna wins against Sett 4.42% more often than would be expected.
The average opponent winrate against Sett is 52.37%.


Ziggs
the Hexplosives Expert
Senna wins against Ziggs 49.03% of the time which is 4.51% lower against Ziggs than the average opponent.
After normalising both champions win rates Senna wins against Ziggs 3.37% more often than would be expected.
The average opponent winrate against Ziggs is 53.54%.


Mel
the Soul's Reflection
Senna wins against Mel 50.14% of the time which is 5.32% lower against Mel than the average opponent.
After normalising both champions win rates Senna wins against Mel 2.54% more often than would be expected.
The average opponent winrate against Mel is 55.46%.


Yuumi
the Magical Cat
Senna wins against Yuumi 50.27% of the time which is 5.34% lower against Yuumi than the average opponent.
After normalising both champions win rates Senna wins against Yuumi 2.52% more often than would be expected.
The average opponent winrate against Yuumi is 55.61%.


Rakan
The Charmer
Senna wins against Rakan 50.29% of the time which is 2.96% lower against Rakan than the average opponent.
After normalising both champions win rates Senna wins against Rakan 4.92% more often than would be expected.
The average opponent winrate against Rakan is 53.25%.


Galio
the Colossus
Senna wins against Galio 50.57% of the time which is 1.47% lower against Galio than the average opponent.
After normalising both champions win rates Senna wins against Galio 6.41% more often than would be expected.
The average opponent winrate against Galio is 52.04%.


Zoe
the Aspect of Twilight
Senna wins against Zoe 50.72% of the time which is 4.54% lower against Zoe than the average opponent.
After normalising both champions win rates Senna wins against Zoe 3.32% more often than would be expected.
The average opponent winrate against Zoe is 55.26%.


Bard
the Wandering Caretaker
Senna wins against Bard 51.54% of the time which is 3.92% lower against Bard than the average opponent.
After normalising both champions win rates Senna wins against Bard 3.94% more often than would be expected.
The average opponent winrate against Bard is 55.46%.


Ashe
the Frost Archer
Senna wins against Ashe 52.61% of the time which is 3.91% lower against Ashe than the average opponent.
After normalising both champions win rates Senna wins against Ashe 3.94% more often than would be expected.
The average opponent winrate against Ashe is 56.52%.


Miss Fortune
the Bounty Hunter
Senna wins against Miss Fortune 55.16% of the time which is 2.62% lower against Miss Fortune than the average opponent.
After normalising both champions win rates Senna wins against Miss Fortune 5.20% more often than would be expected.
The average opponent winrate against Miss Fortune is 57.78%.