

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.
Platinum Champions Analysed: 13,800,067
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 15.9 is the strongest counter to support champions of Veigar, Miss Fortune & Shen. While Senna support is countered most by support champions of Hwei, Twisted Fate & Leona. Below is a detailed breakdown of Senna support counters against support champions with a minimum of 100 games.


Hwei
Wizjoner
Senna wins against Hwei 40.89% of the time which is 9.47% lower against Hwei than the average opponent.
After normalising both champions win rates Senna wins against Hwei 9.05% less often than would be expected.
The average opponent winrate against Hwei is 50.36%.


Twisted Fate
Mistrz Kart
Senna wins against Twisted Fate 44.23% of the time which is 8.75% lower against Twisted Fate than the average opponent.
After normalising both champions win rates Senna wins against Twisted Fate 8.33% less often than would be expected.
The average opponent winrate against Twisted Fate is 52.98%.


Leona
Promyk Jutrzenki
Senna wins against Leona 46.04% of the time which is 2.57% lower against Leona than the average opponent.
After normalising both champions win rates Senna wins against Leona 2.15% less often than would be expected.
The average opponent winrate against Leona is 48.61%.


Elise
Królowa Pająków
Senna wins against Elise 46.06% of the time which is 3.09% lower against Elise than the average opponent.
After normalising both champions win rates Senna wins against Elise 2.67% less often than would be expected.
The average opponent winrate against Elise is 49.15%.


Nami
Władczyni Przypływów
Senna wins against Nami 46.12% of the time which is 1.41% lower against Nami than the average opponent.
After normalising both champions win rates Senna wins against Nami 0.99% less often than would be expected.
The average opponent winrate against Nami is 47.53%.


Soraka
Gwiezdne Dziecko
Senna wins against Soraka 46.26% of the time which is 1.53% lower against Soraka than the average opponent.
After normalising both champions win rates Senna wins against Soraka 1.11% less often than would be expected.
The average opponent winrate against Soraka is 47.79%.


Sona
Wirtuozka Strun
Senna wins against Sona 46.66% of the time which is 0.84% lower against Sona than the average opponent.
After normalising both champions win rates Senna wins against Sona 0.42% less often than would be expected.
The average opponent winrate against Sona is 47.50%.


Zyra
Wiedźma Cierni
Senna wins against Zyra 46.85% of the time which is 1.83% lower against Zyra than the average opponent.
After normalising both champions win rates Senna wins against Zyra 1.41% less often than would be expected.
The average opponent winrate against Zyra is 48.68%.


Xerath
Wyniesiony Mag
Senna wins against Xerath 46.99% of the time which is 1.84% lower against Xerath than the average opponent.
After normalising both champions win rates Senna wins against Xerath 1.42% less often than would be expected.
The average opponent winrate against Xerath is 48.83%.


Lulu
Wróżkowa Czarodziejka
Senna wins against Lulu 47.44% of the time which is 0.83% lower against Lulu than the average opponent.
After normalising both champions win rates Senna wins against Lulu 0.41% less often than would be expected.
The average opponent winrate against Lulu is 48.27%.


Teemo
Chyży Zwiadowca
Senna wins against Teemo 47.67% of the time which is 0.41% higher against Teemo than the average opponent.
After normalising both champions win rates Senna wins against Teemo 0.83% more often than would be expected.
The average opponent winrate against Teemo is 47.26%.


Rell
Żelazna Mścicielka
Senna wins against Rell 47.72% of the time which is 1.70% lower against Rell than the average opponent.
After normalising both champions win rates Senna wins against Rell 1.28% less often than would be expected.
The average opponent winrate against Rell is 49.42%.


Nidalee
Zwierzęca Łowczyni
Senna wins against Nidalee 47.73% of the time which is 4.83% lower against Nidalee than the average opponent.
After normalising both champions win rates Senna wins against Nidalee 4.41% less often than would be expected.
The average opponent winrate against Nidalee is 52.56%.


Blitzcrank
Wielki Golem Parowy
Senna wins against Blitzcrank 47.82% of the time which is 2.21% lower against Blitzcrank than the average opponent.
After normalising both champions win rates Senna wins against Blitzcrank 1.79% less often than would be expected.
The average opponent winrate against Blitzcrank is 50.03%.


Zoe
Aspekt Zmierzchu
Senna wins against Zoe 47.87% of the time which is 3.15% lower against Zoe than the average opponent.
After normalising both champions win rates Senna wins against Zoe 2.73% less often than would be expected.
The average opponent winrate against Zoe is 51.02%.


Karma
Oświecona
Senna wins against Karma 47.96% of the time which is 2.83% lower against Karma than the average opponent.
After normalising both champions win rates Senna wins against Karma 2.41% less often than would be expected.
The average opponent winrate against Karma is 50.79%.


Fiddlesticks
Prastary Strach
Senna wins against Fiddlesticks 48.00% of the time which is 0.95% higher against Fiddlesticks than the average opponent.
After normalising both champions win rates Senna wins against Fiddlesticks 1.37% more often than would be expected.
The average opponent winrate against Fiddlesticks is 47.05%.


Milio
Łagodny Płomień
Senna wins against Milio 48.07% of the time which is 1.03% higher against Milio than the average opponent.
After normalising both champions win rates Senna wins against Milio 1.45% more often than would be expected.
The average opponent winrate against Milio is 47.04%.


Pyke
Rozpruwacz z Krwawego Portu
Senna wins against Pyke 48.21% of the time which is 2.84% lower against Pyke than the average opponent.
After normalising both champions win rates Senna wins against Pyke 2.42% less often than would be expected.
The average opponent winrate against Pyke is 51.05%.


Zac
Tajna Broń
Senna wins against Zac 48.57% of the time which is 1.72% lower against Zac than the average opponent.
After normalising both champions win rates Senna wins against Zac 1.30% less often than would be expected.
The average opponent winrate against Zac is 50.29%.


Yuumi
Magiczna Kotka
Senna wins against Yuumi 48.61% of the time which is 1.29% lower against Yuumi than the average opponent.
After normalising both champions win rates Senna wins against Yuumi 0.87% less often than would be expected.
The average opponent winrate against Yuumi is 49.90%.


Thresh
Strażnik Łańcuchów
Senna wins against Thresh 48.62% of the time which is 0.70% lower against Thresh than the average opponent.
After normalising both champions win rates Senna wins against Thresh 0.28% less often than would be expected.
The average opponent winrate against Thresh is 49.32%.


Nautilus
Tytan Głębin
Senna wins against Nautilus 48.68% of the time which is 1.90% lower against Nautilus than the average opponent.
After normalising both champions win rates Senna wins against Nautilus 1.48% less often than would be expected.
The average opponent winrate against Nautilus is 50.58%.


Vel'Koz
Oko Pustki
Senna wins against Vel'Koz 49.61% of the time which is 0.73% higher against Vel'Koz than the average opponent.
After normalising both champions win rates Senna wins against Vel'Koz 1.15% more often than would be expected.
The average opponent winrate against Vel'Koz is 48.88%.


Lux
Pani Jasności
Senna wins against Lux 49.62% of the time which is 1.16% lower against Lux than the average opponent.
After normalising both champions win rates Senna wins against Lux 0.74% less often than would be expected.
The average opponent winrate against Lux is 50.78%.


Taric
Tarcza Valoranu
Senna wins against Taric 49.63% of the time which is 2.83% higher against Taric than the average opponent.
After normalising both champions win rates Senna wins against Taric 3.25% more often than would be expected.
The average opponent winrate against Taric is 46.80%.


Pantheon
Niezniszczalna Włócznia
Senna wins against Pantheon 49.76% of the time which is 0.01% lower against Pantheon than the average opponent.
After normalising both champions win rates Senna wins against Pantheon 0.41% more often than would be expected.
The average opponent winrate against Pantheon is 49.77%.


Zilean
Strażnik Czasu
Senna wins against Zilean 49.80% of the time which is 1.72% higher against Zilean than the average opponent.
After normalising both champions win rates Senna wins against Zilean 2.14% more often than would be expected.
The average opponent winrate against Zilean is 48.08%.


Maokai
Spaczony Drzewiec
Senna wins against Maokai 50.00% of the time which is 1.37% higher against Maokai than the average opponent.
After normalising both champions win rates Senna wins against Maokai 1.79% more often than would be expected.
The average opponent winrate against Maokai is 48.63%.


Janna
Szał Burzy
Senna wins against Janna 50.10% of the time which is 1.33% higher against Janna than the average opponent.
After normalising both champions win rates Senna wins against Janna 1.75% more often than would be expected.
The average opponent winrate against Janna is 48.77%.


Morgana
Upadła
Senna wins against Morgana 50.21% of the time which is 1.79% higher against Morgana than the average opponent.
After normalising both champions win rates Senna wins against Morgana 2.21% more often than would be expected.
The average opponent winrate against Morgana is 48.42%.


Malphite
Okruch Monolitu
Senna wins against Malphite 50.24% of the time which is 2.46% lower against Malphite than the average opponent.
After normalising both champions win rates Senna wins against Malphite 2.04% less often than would be expected.
The average opponent winrate against Malphite is 52.70%.


Poppy
Strażniczka Młota
Senna wins against Poppy 50.25% of the time which is 0.75% higher against Poppy than the average opponent.
After normalising both champions win rates Senna wins against Poppy 1.17% more often than would be expected.
The average opponent winrate against Poppy is 49.50%.


Ashe
Lodowa Łuczniczka
Senna wins against Ashe 50.61% of the time which is 3.24% lower against Ashe than the average opponent.
After normalising both champions win rates Senna wins against Ashe 2.82% less often than would be expected.
The average opponent winrate against Ashe is 53.85%.


LeBlanc
Oszustka
Senna wins against LeBlanc 50.79% of the time which is 0.41% higher against LeBlanc than the average opponent.
After normalising both champions win rates Senna wins against LeBlanc 0.83% more often than would be expected.
The average opponent winrate against LeBlanc is 50.38%.


Braum
Serce Freljordu
Senna wins against Braum 50.82% of the time which is 3.19% higher against Braum than the average opponent.
After normalising both champions win rates Senna wins against Braum 3.61% more often than would be expected.
The average opponent winrate against Braum is 47.63%.


Seraphine
Rozmarzona Piosenkarka
Senna wins against Seraphine 50.90% of the time which is 0.97% higher against Seraphine than the average opponent.
After normalising both champions win rates Senna wins against Seraphine 1.39% more often than would be expected.
The average opponent winrate against Seraphine is 49.93%.


Bard
Wędrujący Opiekun
Senna wins against Bard 50.99% of the time which is 1.15% higher against Bard than the average opponent.
After normalising both champions win rates Senna wins against Bard 1.57% more often than would be expected.
The average opponent winrate against Bard is 49.84%.


Alistar
Minotaur
Senna wins against Alistar 51.03% of the time which is 0.89% higher against Alistar than the average opponent.
After normalising both champions win rates Senna wins against Alistar 1.31% more often than would be expected.
The average opponent winrate against Alistar is 50.14%.


Renata Glasc
Chembaronessa
Senna wins against Renata Glasc 51.13% of the time which is 0.94% higher against Renata Glasc than the average opponent.
After normalising both champions win rates Senna wins against Renata Glasc 1.36% more often than would be expected.
The average opponent winrate against Renata Glasc is 50.19%.


Swain
Wielki Generał Noxusu
Senna wins against Swain 51.46% of the time which is 1.03% higher against Swain than the average opponent.
After normalising both champions win rates Senna wins against Swain 1.45% more often than would be expected.
The average opponent winrate against Swain is 50.43%.


Tahm Kench
Rzeczny Król
Senna wins against Tahm Kench 51.75% of the time which is 1.59% higher against Tahm Kench than the average opponent.
After normalising both champions win rates Senna wins against Tahm Kench 2.01% more often than would be expected.
The average opponent winrate against Tahm Kench is 50.16%.


Sylas
Wyzwolony z Kajdan
Senna wins against Sylas 51.93% of the time which is 0.13% higher against Sylas than the average opponent.
After normalising both champions win rates Senna wins against Sylas 0.55% more often than would be expected.
The average opponent winrate against Sylas is 51.80%.


Mel
Odbicie Duszy
Senna wins against Mel 52.77% of the time which is 0.40% lower against Mel than the average opponent.
After normalising both champions win rates Senna wins against Mel 0.02% more often than would be expected.
The average opponent winrate against Mel is 53.17%.


Rakan
Uwodziciel
Senna wins against Rakan 53.10% of the time which is 2.78% higher against Rakan than the average opponent.
After normalising both champions win rates Senna wins against Rakan 3.20% more often than would be expected.
The average opponent winrate against Rakan is 50.32%.


Neeko
Ciekawski Kameleon
Senna wins against Neeko 53.22% of the time which is 2.23% higher against Neeko than the average opponent.
After normalising both champions win rates Senna wins against Neeko 2.65% more often than would be expected.
The average opponent winrate against Neeko is 50.99%.


Brand
Płomień Zemsty
Senna wins against Brand 53.29% of the time which is 3.55% higher against Brand than the average opponent.
After normalising both champions win rates Senna wins against Brand 3.97% more often than would be expected.
The average opponent winrate against Brand is 49.74%.


Annie
Dziecko Ciemności
Senna wins against Annie 53.33% of the time which is 2.69% higher against Annie than the average opponent.
After normalising both champions win rates Senna wins against Annie 3.11% more often than would be expected.
The average opponent winrate against Annie is 50.64%.


Shaco
Demoniczny Błazen
Senna wins against Shaco 53.59% of the time which is 4.64% higher against Shaco than the average opponent.
After normalising both champions win rates Senna wins against Shaco 5.06% more often than would be expected.
The average opponent winrate against Shaco is 48.95%.


Galio
Kolos
Senna wins against Galio 55.32% of the time which is 5.05% higher against Galio than the average opponent.
After normalising both champions win rates Senna wins against Galio 5.47% more often than would be expected.
The average opponent winrate against Galio is 50.27%.


Gragas
Karczemny Zabijaka
Senna wins against Gragas 55.48% of the time which is 1.52% higher against Gragas than the average opponent.
After normalising both champions win rates Senna wins against Gragas 1.94% more often than would be expected.
The average opponent winrate against Gragas is 53.96%.


Shen
Oko Zmierzchu
Senna wins against Shen 56.34% of the time which is 6.60% higher against Shen than the average opponent.
After normalising both champions win rates Senna wins against Shen 7.02% more often than would be expected.
The average opponent winrate against Shen is 49.74%.


Miss Fortune
Łowczyni Nagród
Senna wins against Miss Fortune 57.26% of the time which is 1.25% lower against Miss Fortune than the average opponent.
After normalising both champions win rates Senna wins against Miss Fortune 0.85% less often than would be expected.
The average opponent winrate against Miss Fortune is 58.51%.


Veigar
Panicz Zła
Senna wins against Veigar 60.74% of the time which is 8.23% higher against Veigar than the average opponent.
After normalising both champions win rates Senna wins against Veigar 8.65% more often than would be expected.
The average opponent winrate against Veigar is 52.51%.