

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.
Diamond Champions Analysed: 890,535
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 middle Counters
Senna support on Patch 15.17 is the strongest counter to middle champions of Twisted Fate, Zed & Syndra. While Senna support is countered most by middle champions of Kassadin, Galio & Sylas. Below is a detailed breakdown of Senna support counters against middle champions with a minimum of 100 games.


Kassadin
Chasseur du Néant
Senna wins against Kassadin 43.27% of the time which is 4.05% lower against Kassadin than the average opponent.
After normalising both champions win rates Senna wins against Kassadin 4.07% less often than would be expected.
The average opponent winrate against Kassadin is 47.32%.


Galio
Colosse
Senna wins against Galio 46.00% of the time which is 1.96% lower against Galio than the average opponent.
After normalising both champions win rates Senna wins against Galio 1.98% less often than would be expected.
The average opponent winrate against Galio is 47.96%.


Sylas
Révolutionnaire déchaîné
Senna wins against Sylas 46.02% of the time which is 3.71% lower against Sylas than the average opponent.
After normalising both champions win rates Senna wins against Sylas 3.73% less often than would be expected.
The average opponent winrate against Sylas is 49.73%.


Katarina
Lame sinistre
Senna wins against Katarina 46.15% of the time which is 2.78% lower against Katarina than the average opponent.
After normalising both champions win rates Senna wins against Katarina 2.80% less often than would be expected.
The average opponent winrate against Katarina is 48.93%.


Ahri
Renard à neuf queues
Senna wins against Ahri 46.72% of the time which is 4.10% lower against Ahri than the average opponent.
After normalising both champions win rates Senna wins against Ahri 4.12% less often than would be expected.
The average opponent winrate against Ahri is 50.82%.


LeBlanc
Manipulatrice
Senna wins against LeBlanc 47.57% of the time which is 0.65% lower against LeBlanc than the average opponent.
After normalising both champions win rates Senna wins against LeBlanc 0.67% less often than would be expected.
The average opponent winrate against LeBlanc is 48.22%.


Viktor
Héraut de l'arcane
Senna wins against Viktor 50.42% of the time which is 0.13% lower against Viktor than the average opponent.
After normalising both champions win rates Senna wins against Viktor 0.15% less often than would be expected.
The average opponent winrate against Viktor is 50.55%.


Akali
Assassin rebelle
Senna wins against Akali 51.47% of the time which is 2.20% higher against Akali than the average opponent.
After normalising both champions win rates Senna wins against Akali 2.18% more often than would be expected.
The average opponent winrate against Akali is 49.27%.


Yasuo
Disgracié
Senna wins against Yasuo 51.82% of the time which is 1.36% higher against Yasuo than the average opponent.
After normalising both champions win rates Senna wins against Yasuo 1.34% more often than would be expected.
The average opponent winrate against Yasuo is 50.46%.


Orianna
Demoiselle mécanique
Senna wins against Orianna 51.85% of the time which is 1.99% higher against Orianna than the average opponent.
After normalising both champions win rates Senna wins against Orianna 1.97% more often than would be expected.
The average opponent winrate against Orianna is 49.86%.


Syndra
Souveraine obscure
Senna wins against Syndra 54.24% of the time which is 5.03% higher against Syndra than the average opponent.
After normalising both champions win rates Senna wins against Syndra 5.01% more often than would be expected.
The average opponent winrate against Syndra is 49.21%.


Zed
Maître des ombres
Senna wins against Zed 56.82% of the time which is 7.40% higher against Zed than the average opponent.
After normalising both champions win rates Senna wins against Zed 7.38% more often than would be expected.
The average opponent winrate against Zed is 49.42%.


Twisted Fate
Maître des cartes
Senna wins against Twisted Fate 57.43% of the time which is 9.04% higher against Twisted Fate than the average opponent.
After normalising both champions win rates Senna wins against Twisted Fate 9.02% more often than would be expected.
The average opponent winrate against Twisted Fate is 48.39%.