

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.
Master+ Champions Analysed: 935,845
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 7 is the strongest counter to support champions of Thresh, Nami & Karma. While Senna support is countered most by support champions of Milio, Bard & Sona. Below is a detailed breakdown of Senna support counters against support champions with a minimum of 100 games.


Milio
The Gentle Flame
Senna wins against Milio 40.50% of the time which is 5.66% lower against Milio than the average opponent.
After normalising both champions win rates Senna wins against Milio 7.05% less often than would be expected.
The average opponent winrate against Milio is 46.16%.


Bard
the Wandering Caretaker
Senna wins against Bard 42.76% of the time which is 4.41% lower against Bard than the average opponent.
After normalising both champions win rates Senna wins against Bard 5.80% less often than would be expected.
The average opponent winrate against Bard is 47.17%.


Sona
Maven of the Strings
Senna wins against Sona 45.31% of the time which is 0.85% lower against Sona than the average opponent.
After normalising both champions win rates Senna wins against Sona 2.24% less often than would be expected.
The average opponent winrate against Sona is 46.16%.


Lulu
the Fae Sorceress
Senna wins against Lulu 45.45% of the time which is 2.78% lower against Lulu than the average opponent.
After normalising both champions win rates Senna wins against Lulu 4.17% less often than would be expected.
The average opponent winrate against Lulu is 48.23%.


Nautilus
the Titan of the Depths
Senna wins against Nautilus 51.91% of the time which is 3.14% higher against Nautilus than the average opponent.
After normalising both champions win rates Senna wins against Nautilus 1.75% more often than would be expected.
The average opponent winrate against Nautilus is 48.77%.


Karma
the Enlightened One
Senna wins against Karma 57.89% of the time which is 9.05% higher against Karma than the average opponent.
After normalising both champions win rates Senna wins against Karma 7.66% more often than would be expected.
The average opponent winrate against Karma is 48.84%.


Nami
the Tidecaller
Senna wins against Nami 60.53% of the time which is 13.36% higher against Nami than the average opponent.
After normalising both champions win rates Senna wins against Nami 11.97% more often than would be expected.
The average opponent winrate against Nami is 47.17%.


Thresh
the Chain Warden
Senna wins against Thresh 60.66% of the time which is 13.25% higher against Thresh than the average opponent.
After normalising both champions win rates Senna wins against Thresh 11.86% more often than would be expected.
The average opponent winrate against Thresh is 47.41%.