

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: 1,871,553
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 15.17 is the strongest counter to support champions of Yuumi, Pyke & Soraka. While Senna support is countered most by support champions of Vel'Koz, Nami & Lux. 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 41.79% of the time which is 7.81% lower against Vel'Koz than the average opponent.
After normalising both champions win rates Senna wins against Vel'Koz 2.17% less often than would be expected.
The average opponent winrate against Vel'Koz is 49.60%.


Nami
the Tidecaller
Senna wins against Nami 41.92% of the time which is 7.84% lower against Nami than the average opponent.
After normalising both champions win rates Senna wins against Nami 2.20% less often than would be expected.
The average opponent winrate against Nami is 49.76%.


Lux
the Lady of Luminosity
Senna wins against Lux 42.27% of the time which is 8.83% lower against Lux than the average opponent.
After normalising both champions win rates Senna wins against Lux 3.19% less often than would be expected.
The average opponent winrate against Lux is 51.10%.


Morgana
the Fallen
Senna wins against Morgana 43.52% of the time which is 6.19% lower against Morgana than the average opponent.
After normalising both champions win rates Senna wins against Morgana 0.55% less often than would be expected.
The average opponent winrate against Morgana is 49.71%.


Leona
the Radiant Dawn
Senna wins against Leona 43.61% of the time which is 6.85% lower against Leona than the average opponent.
After normalising both champions win rates Senna wins against Leona 1.21% less often than would be expected.
The average opponent winrate against Leona is 50.46%.


Milio
The Gentle Flame
Senna wins against Milio 44.19% of the time which is 4.77% lower against Milio than the average opponent.
After normalising both champions win rates Senna wins against Milio 0.86% more often than would be expected.
The average opponent winrate against Milio is 48.96%.


Blitzcrank
the Great Steam Golem
Senna wins against Blitzcrank 44.26% of the time which is 7.87% lower against Blitzcrank than the average opponent.
After normalising both champions win rates Senna wins against Blitzcrank 2.23% less often than would be expected.
The average opponent winrate against Blitzcrank is 52.13%.


Lulu
the Fae Sorceress
Senna wins against Lulu 44.62% of the time which is 9.28% lower against Lulu than the average opponent.
After normalising both champions win rates Senna wins against Lulu 3.64% less often than would be expected.
The average opponent winrate against Lulu is 53.90%.


Rell
the Iron Maiden
Senna wins against Rell 45.30% of the time which is 5.26% lower against Rell than the average opponent.
After normalising both champions win rates Senna wins against Rell 0.38% more often than would be expected.
The average opponent winrate against Rell is 50.56%.


Zyra
Rise of the Thorns
Senna wins against Zyra 45.45% of the time which is 3.15% lower against Zyra than the average opponent.
After normalising both champions win rates Senna wins against Zyra 2.48% more often than would be expected.
The average opponent winrate against Zyra is 48.60%.


Karma
the Enlightened One
Senna wins against Karma 45.53% of the time which is 6.83% lower against Karma than the average opponent.
After normalising both champions win rates Senna wins against Karma 1.19% less often than would be expected.
The average opponent winrate against Karma is 52.36%.


Swain
the Noxian Grand General
Senna wins against Swain 45.65% of the time which is 5.62% lower against Swain than the average opponent.
After normalising both champions win rates Senna wins against Swain 0.02% more often than would be expected.
The average opponent winrate against Swain is 51.27%.


Braum
the Heart of the Freljord
Senna wins against Braum 45.71% of the time which is 4.67% lower against Braum than the average opponent.
After normalising both champions win rates Senna wins against Braum 0.97% more often than would be expected.
The average opponent winrate against Braum is 50.38%.


Neeko
the Curious Chameleon
Senna wins against Neeko 45.90% of the time which is 7.25% lower against Neeko than the average opponent.
After normalising both champions win rates Senna wins against Neeko 1.61% less often than would be expected.
The average opponent winrate against Neeko is 53.15%.


Tahm Kench
The River King
Senna wins against Tahm Kench 45.96% of the time which is 7.29% lower against Tahm Kench than the average opponent.
After normalising both champions win rates Senna wins against Tahm Kench 1.65% less often than would be expected.
The average opponent winrate against Tahm Kench is 53.25%.


Xerath
the Magus Ascendant
Senna wins against Xerath 46.15% of the time which is 4.48% lower against Xerath than the average opponent.
After normalising both champions win rates Senna wins against Xerath 1.16% more often than would be expected.
The average opponent winrate against Xerath is 50.63%.


Sona
Maven of the Strings
Senna wins against Sona 47.41% of the time which is 2.75% lower against Sona than the average opponent.
After normalising both champions win rates Senna wins against Sona 2.89% more often than would be expected.
The average opponent winrate against Sona is 50.16%.


Maokai
the Twisted Treant
Senna wins against Maokai 47.52% of the time which is 2.66% lower against Maokai than the average opponent.
After normalising both champions win rates Senna wins against Maokai 2.98% more often than would be expected.
The average opponent winrate against Maokai is 50.18%.


Nautilus
the Titan of the Depths
Senna wins against Nautilus 47.54% of the time which is 4.64% lower against Nautilus than the average opponent.
After normalising both champions win rates Senna wins against Nautilus 1.00% more often than would be expected.
The average opponent winrate against Nautilus is 52.18%.


Pantheon
the Unbreakable Spear
Senna wins against Pantheon 47.73% of the time which is 4.16% lower against Pantheon than the average opponent.
After normalising both champions win rates Senna wins against Pantheon 1.48% more often than would be expected.
The average opponent winrate against Pantheon is 51.89%.


Mel
the Soul's Reflection
Senna wins against Mel 48.25% of the time which is 5.61% lower against Mel than the average opponent.
After normalising both champions win rates Senna wins against Mel 0.03% more often than would be expected.
The average opponent winrate against Mel is 53.86%.


Brand
the Burning Vengeance
Senna wins against Brand 48.62% of the time which is 0.85% lower against Brand than the average opponent.
After normalising both champions win rates Senna wins against Brand 4.79% more often than would be expected.
The average opponent winrate against Brand is 49.47%.


Thresh
the Chain Warden
Senna wins against Thresh 48.69% of the time which is 3.79% lower against Thresh than the average opponent.
After normalising both champions win rates Senna wins against Thresh 1.85% more often than would be expected.
The average opponent winrate against Thresh is 52.48%.


Seraphine
the Starry-Eyed Songstress
Senna wins against Seraphine 48.90% of the time which is 3.72% lower against Seraphine than the average opponent.
After normalising both champions win rates Senna wins against Seraphine 1.92% more often than would be expected.
The average opponent winrate against Seraphine is 52.62%.


Rakan
The Charmer
Senna wins against Rakan 49.52% of the time which is 2.49% lower against Rakan than the average opponent.
After normalising both champions win rates Senna wins against Rakan 3.15% more often than would be expected.
The average opponent winrate against Rakan is 52.01%.


Malphite
Shard of the Monolith
Senna wins against Malphite 51.09% of the time which is 1.51% lower against Malphite than the average opponent.
After normalising both champions win rates Senna wins against Malphite 4.13% more often than would be expected.
The average opponent winrate against Malphite is 52.60%.


Soraka
the Starchild
Senna wins against Soraka 52.71% of the time which is 1.59% higher against Soraka than the average opponent.
After normalising both champions win rates Senna wins against Soraka 7.23% more often than would be expected.
The average opponent winrate against Soraka is 51.12%.


Pyke
the Bloodharbor Ripper
Senna wins against Pyke 53.90% of the time which is 0.44% higher against Pyke than the average opponent.
After normalising both champions win rates Senna wins against Pyke 6.08% more often than would be expected.
The average opponent winrate against Pyke is 53.46%.


Yuumi
the Magical Cat
Senna wins against Yuumi 59.52% of the time which is 3.08% higher against Yuumi than the average opponent.
After normalising both champions win rates Senna wins against Yuumi 8.69% more often than would be expected.
The average opponent winrate against Yuumi is 56.44%.