

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.
D2+ Champions Analysed: 1,423,576
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 15.18 is the strongest counter to support champions of Blitzcrank, Braum & Rakan. While Senna support is countered most by support champions of Rell, Soraka & Sona. Below is a detailed breakdown of Senna support counters against support champions with a minimum of 100 games.


Rell
the Iron Maiden
Senna wins against Rell 46.72% of the time which is 2.21% lower against Rell than the average opponent.
After normalising both champions win rates Senna wins against Rell 4.39% less often than would be expected.
The average opponent winrate against Rell is 48.93%.


Soraka
the Starchild
Senna wins against Soraka 47.50% of the time which is 0.45% lower against Soraka than the average opponent.
After normalising both champions win rates Senna wins against Soraka 2.63% less often than would be expected.
The average opponent winrate against Soraka is 47.95%.


Sona
Maven of the Strings
Senna wins against Sona 48.30% of the time which is 2.24% higher against Sona than the average opponent.
After normalising both champions win rates Senna wins against Sona 0.07% more often than would be expected.
The average opponent winrate against Sona is 46.06%.


Karma
the Enlightened One
Senna wins against Karma 48.36% of the time which is 0.85% lower against Karma than the average opponent.
After normalising both champions win rates Senna wins against Karma 3.03% less often than would be expected.
The average opponent winrate against Karma is 49.21%.


Pyke
the Bloodharbor Ripper
Senna wins against Pyke 48.89% of the time which is 0.43% higher against Pyke than the average opponent.
After normalising both champions win rates Senna wins against Pyke 1.75% less often than would be expected.
The average opponent winrate against Pyke is 48.46%.


Janna
the Storm's Fury
Senna wins against Janna 49.25% of the time which is 1.86% higher against Janna than the average opponent.
After normalising both champions win rates Senna wins against Janna 0.32% less often than would be expected.
The average opponent winrate against Janna is 47.39%.


Nautilus
the Titan of the Depths
Senna wins against Nautilus 49.35% of the time which is 1.17% lower against Nautilus than the average opponent.
After normalising both champions win rates Senna wins against Nautilus 3.35% less often than would be expected.
The average opponent winrate against Nautilus is 50.52%.


Leona
the Radiant Dawn
Senna wins against Leona 49.69% of the time which is 1.53% higher against Leona than the average opponent.
After normalising both champions win rates Senna wins against Leona 0.65% less often than would be expected.
The average opponent winrate against Leona is 48.16%.


Bard
the Wandering Caretaker
Senna wins against Bard 50.90% of the time which is 2.53% higher against Bard than the average opponent.
After normalising both champions win rates Senna wins against Bard 0.35% more often than would be expected.
The average opponent winrate against Bard is 48.37%.


Thresh
the Chain Warden
Senna wins against Thresh 52.52% of the time which is 4.16% higher against Thresh than the average opponent.
After normalising both champions win rates Senna wins against Thresh 1.98% more often than would be expected.
The average opponent winrate against Thresh is 48.36%.


Milio
The Gentle Flame
Senna wins against Milio 52.59% of the time which is 4.73% higher against Milio than the average opponent.
After normalising both champions win rates Senna wins against Milio 2.55% more often than would be expected.
The average opponent winrate against Milio is 47.86%.


Nami
the Tidecaller
Senna wins against Nami 52.69% of the time which is 3.98% higher against Nami than the average opponent.
After normalising both champions win rates Senna wins against Nami 1.80% more often than would be expected.
The average opponent winrate against Nami is 48.71%.


Yuumi
the Magical Cat
Senna wins against Yuumi 52.87% of the time which is 1.21% lower against Yuumi than the average opponent.
After normalising both champions win rates Senna wins against Yuumi 3.38% less often than would be expected.
The average opponent winrate against Yuumi is 54.08%.


Lulu
the Fae Sorceress
Senna wins against Lulu 53.59% of the time which is 2.92% higher against Lulu than the average opponent.
After normalising both champions win rates Senna wins against Lulu 0.74% more often than would be expected.
The average opponent winrate against Lulu is 50.67%.


Alistar
the Minotaur
Senna wins against Alistar 54.32% of the time which is 4.73% higher against Alistar than the average opponent.
After normalising both champions win rates Senna wins against Alistar 2.55% more often than would be expected.
The average opponent winrate against Alistar is 49.59%.


Rakan
The Charmer
Senna wins against Rakan 54.66% of the time which is 5.95% higher against Rakan than the average opponent.
After normalising both champions win rates Senna wins against Rakan 3.77% more often than would be expected.
The average opponent winrate against Rakan is 48.71%.


Braum
the Heart of the Freljord
Senna wins against Braum 57.89% of the time which is 7.64% higher against Braum than the average opponent.
After normalising both champions win rates Senna wins against Braum 5.46% more often than would be expected.
The average opponent winrate against Braum is 50.25%.


Blitzcrank
the Great Steam Golem
Senna wins against Blitzcrank 58.33% of the time which is 8.32% higher against Blitzcrank than the average opponent.
After normalising both champions win rates Senna wins against Blitzcrank 6.14% more often than would be expected.
The average opponent winrate against Blitzcrank is 50.01%.