

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.
Emerald Champions Analysed: 3,683,537
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 bottom vs support Counters
Senna bottom on Patch 15.17 is the strongest counter to support champions of Morgana, Vel'Koz & Nautilus. While Senna bottom is countered most by support champions of Karma, Pyke & Zyra. Below is a detailed breakdown of Senna bottom counters against support champions with a minimum of 100 games.


Karma
Sagesse incarnée
Senna wins against Karma 46.96% of the time which is 1.77% lower against Karma than the average opponent.
After normalising both champions win rates Senna wins against Karma 5.00% less often than would be expected.
The average opponent winrate against Karma is 48.73%.


Pyke
Éventreur des abysses
Senna wins against Pyke 47.28% of the time which is 2.24% lower against Pyke than the average opponent.
After normalising both champions win rates Senna wins against Pyke 5.47% less often than would be expected.
The average opponent winrate against Pyke is 49.52%.


Zyra
Dame aux ronces
Senna wins against Zyra 47.44% of the time which is 0.53% lower against Zyra than the average opponent.
After normalising both champions win rates Senna wins against Zyra 3.76% less often than would be expected.
The average opponent winrate against Zyra is 47.97%.


Janna
Avatar de l'air
Senna wins against Janna 48.85% of the time which is 1.08% higher against Janna than the average opponent.
After normalising both champions win rates Senna wins against Janna 2.15% less often than would be expected.
The average opponent winrate against Janna is 47.77%.


Rell
Vierge de fer
Senna wins against Rell 48.95% of the time which is 1.25% lower against Rell than the average opponent.
After normalising both champions win rates Senna wins against Rell 4.48% less often than would be expected.
The average opponent winrate against Rell is 50.20%.


Sona
Virtuose de la harpe
Senna wins against Sona 48.97% of the time which is 1.87% higher against Sona than the average opponent.
After normalising both champions win rates Senna wins against Sona 1.36% less often than would be expected.
The average opponent winrate against Sona is 47.10%.


Bard
Gardien errant
Senna wins against Bard 49.51% of the time which is 0.41% lower against Bard than the average opponent.
After normalising both champions win rates Senna wins against Bard 3.64% less often than would be expected.
The average opponent winrate against Bard is 49.92%.


Poppy
Gardienne du marteau
Senna wins against Poppy 50.40% of the time which is 2.23% higher against Poppy than the average opponent.
After normalising both champions win rates Senna wins against Poppy 1.00% less often than would be expected.
The average opponent winrate against Poppy is 48.17%.


Nami
Aquamancienne
Senna wins against Nami 50.82% of the time which is 3.51% higher against Nami than the average opponent.
After normalising both champions win rates Senna wins against Nami 0.28% more often than would be expected.
The average opponent winrate against Nami is 47.31%.


Shaco
Bouffon des ténèbres
Senna wins against Shaco 50.85% of the time which is 0.84% higher against Shaco than the average opponent.
After normalising both champions win rates Senna wins against Shaco 2.39% less often than would be expected.
The average opponent winrate against Shaco is 50.01%.


Séraphine
Chanteuse rêveuse
Senna wins against Séraphine 51.01% of the time which is 0.34% higher against Séraphine than the average opponent.
After normalising both champions win rates Senna wins against Séraphine 2.89% less often than would be expected.
The average opponent winrate against Séraphine is 50.67%.


Xerath
Mage suprême
Senna wins against Xerath 51.40% of the time which is 1.17% higher against Xerath than the average opponent.
After normalising both champions win rates Senna wins against Xerath 2.06% less often than would be expected.
The average opponent winrate against Xerath is 50.23%.


Milio
Douce flamme
Senna wins against Milio 51.60% of the time which is 4.90% higher against Milio than the average opponent.
After normalising both champions win rates Senna wins against Milio 1.67% more often than would be expected.
The average opponent winrate against Milio is 46.70%.


Tahm Kench
Roi des rivières
Senna wins against Tahm Kench 51.77% of the time which is 1.63% higher against Tahm Kench than the average opponent.
After normalising both champions win rates Senna wins against Tahm Kench 1.60% less often than would be expected.
The average opponent winrate against Tahm Kench is 50.14%.


Thresh
Garde aux chaînes
Senna wins against Thresh 51.89% of the time which is 3.32% higher against Thresh than the average opponent.
After normalising both champions win rates Senna wins against Thresh 0.09% more often than would be expected.
The average opponent winrate against Thresh is 48.57%.


Zilean
Gardien du Temps
Senna wins against Zilean 51.92% of the time which is 4.46% higher against Zilean than the average opponent.
After normalising both champions win rates Senna wins against Zilean 1.23% more often than would be expected.
The average opponent winrate against Zilean is 47.46%.


Alistar
Minotaure
Senna wins against Alistar 52.03% of the time which is 2.13% higher against Alistar than the average opponent.
After normalising both champions win rates Senna wins against Alistar 1.10% less often than would be expected.
The average opponent winrate against Alistar is 49.90%.


Blitzcrank
Golem de vapeur
Senna wins against Blitzcrank 52.46% of the time which is 2.71% higher against Blitzcrank than the average opponent.
After normalising both champions win rates Senna wins against Blitzcrank 0.52% less often than would be expected.
The average opponent winrate against Blitzcrank is 49.75%.


Soraka
Enfant des étoiles
Senna wins against Soraka 52.65% of the time which is 5.31% higher against Soraka than the average opponent.
After normalising both champions win rates Senna wins against Soraka 2.08% more often than would be expected.
The average opponent winrate against Soraka is 47.34%.


Pantheon
Lance éternelle
Senna wins against Pantheon 53.01% of the time which is 2.94% higher against Pantheon than the average opponent.
After normalising both champions win rates Senna wins against Pantheon 0.29% less often than would be expected.
The average opponent winrate against Pantheon is 50.07%.


Lulu
Sorcière féérique
Senna wins against Lulu 53.35% of the time which is 4.35% higher against Lulu than the average opponent.
After normalising both champions win rates Senna wins against Lulu 1.12% more often than would be expected.
The average opponent winrate against Lulu is 49.00%.


Rakan
Charmeur
Senna wins against Rakan 53.39% of the time which is 3.50% higher against Rakan than the average opponent.
After normalising both champions win rates Senna wins against Rakan 0.27% more often than would be expected.
The average opponent winrate against Rakan is 49.89%.


Swain
Grand général noxien
Senna wins against Swain 53.51% of the time which is 2.37% higher against Swain than the average opponent.
After normalising both champions win rates Senna wins against Swain 0.86% less often than would be expected.
The average opponent winrate against Swain is 51.14%.


Lux
Dame de lumière
Senna wins against Lux 54.46% of the time which is 3.59% higher against Lux than the average opponent.
After normalising both champions win rates Senna wins against Lux 0.36% more often than would be expected.
The average opponent winrate against Lux is 50.87%.


Yuumi
Gardienne du Grimoire
Senna wins against Yuumi 54.80% of the time which is 3.69% higher against Yuumi than the average opponent.
After normalising both champions win rates Senna wins against Yuumi 0.46% more often than would be expected.
The average opponent winrate against Yuumi is 51.11%.


Mel
Reflet de l'âme
Senna wins against Mel 55.56% of the time which is 2.26% higher against Mel than the average opponent.
After normalising both champions win rates Senna wins against Mel 0.95% less often than would be expected.
The average opponent winrate against Mel is 53.30%.


Neeko
Caméléon curieux
Senna wins against Neeko 56.05% of the time which is 5.57% higher against Neeko than the average opponent.
After normalising both champions win rates Senna wins against Neeko 2.34% more often than would be expected.
The average opponent winrate against Neeko is 50.48%.


Leona
Aube radieuse
Senna wins against Leona 56.13% of the time which is 8.05% higher against Leona than the average opponent.
After normalising both champions win rates Senna wins against Leona 4.82% more often than would be expected.
The average opponent winrate against Leona is 48.08%.


Brand
Vengeur flamboyant
Senna wins against Brand 56.35% of the time which is 7.95% higher against Brand than the average opponent.
After normalising both champions win rates Senna wins against Brand 4.72% more often than would be expected.
The average opponent winrate against Brand is 48.40%.


Braum
Cœur de Freljord
Senna wins against Braum 56.47% of the time which is 8.25% higher against Braum than the average opponent.
After normalising both champions win rates Senna wins against Braum 5.02% more often than would be expected.
The average opponent winrate against Braum is 48.22%.


Nautilus
Titan des profondeurs
Senna wins against Nautilus 56.61% of the time which is 6.36% higher against Nautilus than the average opponent.
After normalising both champions win rates Senna wins against Nautilus 3.13% more often than would be expected.
The average opponent winrate against Nautilus is 50.25%.


Vel'Koz
Œil du Néant
Senna wins against Vel'Koz 56.88% of the time which is 8.78% higher against Vel'Koz than the average opponent.
After normalising both champions win rates Senna wins against Vel'Koz 5.55% more often than would be expected.
The average opponent winrate against Vel'Koz is 48.10%.


Morgana
Déchue
Senna wins against Morgana 60.29% of the time which is 12.24% higher against Morgana than the average opponent.
After normalising both champions win rates Senna wins against Morgana 9.01% more often than would be expected.
The average opponent winrate against Morgana is 48.05%.