

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: 37,036,746
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 bottom Counters
Senna support on Patch 15.1 is the strongest counter to bottom champions of Malzahar, Cho'Gath & Karthus. While Senna support is countered most by bottom champions of Heimerdinger, Twitch & Cassiopeia. Below is a detailed breakdown of Senna support counters against bottom champions with a minimum of 100 games.


Heimerdinger
o Inventor Idolatrado
Senna wins against Heimerdinger 41.36% of the time which is 4.31% lower against Heimerdinger than the average opponent.
After normalising both champions win rates Senna wins against Heimerdinger 6.40% less often than would be expected.
The average opponent winrate against Heimerdinger is 45.67%.


Twitch
o Semeador da Peste
Senna wins against Twitch 48.03% of the time which is 0.37% lower against Twitch than the average opponent.
After normalising both champions win rates Senna wins against Twitch 2.47% less often than would be expected.
The average opponent winrate against Twitch is 48.40%.


Cassiopeia
o Abraço da Serpente
Senna wins against Cassiopeia 48.64% of the time which is 1.38% higher against Cassiopeia than the average opponent.
After normalising both champions win rates Senna wins against Cassiopeia 0.72% less often than would be expected.
The average opponent winrate against Cassiopeia is 47.26%.


Seraphine
a Cantora Sonhadora
Senna wins against Seraphine 49.16% of the time which is 1.52% higher against Seraphine than the average opponent.
After normalising both champions win rates Senna wins against Seraphine 0.58% less often than would be expected.
The average opponent winrate against Seraphine is 47.64%.


Veigar
o Pequeno Mestre do Mal
Senna wins against Veigar 49.44% of the time which is 1.99% higher against Veigar than the average opponent.
After normalising both champions win rates Senna wins against Veigar 0.11% less often than would be expected.
The average opponent winrate against Veigar is 47.45%.


Kog'Maw
a Boca do Abismo
Senna wins against Kog'Maw 49.48% of the time which is 2.87% higher against Kog'Maw than the average opponent.
After normalising both champions win rates Senna wins against Kog'Maw 0.77% more often than would be expected.
The average opponent winrate against Kog'Maw is 46.61%.


Miss Fortune
a Caçadora de Recompensas
Senna wins against Miss Fortune 49.61% of the time which is 3.26% higher against Miss Fortune than the average opponent.
After normalising both champions win rates Senna wins against Miss Fortune 1.16% more often than would be expected.
The average opponent winrate against Miss Fortune is 46.35%.


Xerath
o Mago Ascendente
Senna wins against Xerath 49.77% of the time which is 2.45% higher against Xerath than the average opponent.
After normalising both champions win rates Senna wins against Xerath 0.35% more often than would be expected.
The average opponent winrate against Xerath is 47.32%.


Nilah
a Alegria Irrestrita
Senna wins against Nilah 49.89% of the time which is 2.78% higher against Nilah than the average opponent.
After normalising both champions win rates Senna wins against Nilah 0.68% more often than would be expected.
The average opponent winrate against Nilah is 47.11%.


Zyra
a Ascensão dos Espinhos
Senna wins against Zyra 50.30% of the time which is 3.32% higher against Zyra than the average opponent.
After normalising both champions win rates Senna wins against Zyra 1.22% more often than would be expected.
The average opponent winrate against Zyra is 46.98%.


Lux
a Dama da Luz
Senna wins against Lux 50.37% of the time which is 2.80% higher against Lux than the average opponent.
After normalising both champions win rates Senna wins against Lux 0.70% more often than would be expected.
The average opponent winrate against Lux is 47.57%.


Tristana
a Artilheira Yordle
Senna wins against Tristana 50.45% of the time which is 0.20% lower against Tristana than the average opponent.
After normalising both champions win rates Senna wins against Tristana 2.30% less often than would be expected.
The average opponent winrate against Tristana is 50.65%.


Ziggs
o Especialista em Hexplosivos
Senna wins against Ziggs 50.56% of the time which is 1.67% higher against Ziggs than the average opponent.
After normalising both champions win rates Senna wins against Ziggs 0.43% less often than would be expected.
The average opponent winrate against Ziggs is 48.89%.


Brand
a Vingança Flamejante
Senna wins against Brand 50.66% of the time which is 3.71% higher against Brand than the average opponent.
After normalising both champions win rates Senna wins against Brand 1.61% more often than would be expected.
The average opponent winrate against Brand is 46.95%.


Aphelios
a Arma dos Devotos
Senna wins against Aphelios 50.75% of the time which is 0.30% lower against Aphelios than the average opponent.
After normalising both champions win rates Senna wins against Aphelios 2.40% less often than would be expected.
The average opponent winrate against Aphelios is 51.05%.


Jinx
o Gatilho Desenfreado
Senna wins against Jinx 50.84% of the time which is 1.99% higher against Jinx than the average opponent.
After normalising both champions win rates Senna wins against Jinx 0.11% less often than would be expected.
The average opponent winrate against Jinx is 48.85%.


Yasuo
o Imperdoável
Senna wins against Yasuo 50.88% of the time which is 2.35% higher against Yasuo than the average opponent.
After normalising both champions win rates Senna wins against Yasuo 0.25% more often than would be expected.
The average opponent winrate against Yasuo is 48.53%.


Viktor
o Arauto do Arcano
Senna wins against Viktor 50.90% of the time which is 3.33% higher against Viktor than the average opponent.
After normalising both champions win rates Senna wins against Viktor 1.23% more often than would be expected.
The average opponent winrate against Viktor is 47.57%.


Aurelion Sol
o Forjador de Estrelas
Senna wins against Aurelion Sol 51.25% of the time which is 4.20% higher against Aurelion Sol than the average opponent.
After normalising both champions win rates Senna wins against Aurelion Sol 2.10% more often than would be expected.
The average opponent winrate against Aurelion Sol is 47.05%.


Caitlyn
a Xerife de Piltover
Senna wins against Caitlyn 51.31% of the time which is 1.51% higher against Caitlyn than the average opponent.
After normalising both champions win rates Senna wins against Caitlyn 0.59% less often than would be expected.
The average opponent winrate against Caitlyn is 49.80%.


Hwei
o Visionário
Senna wins against Hwei 51.35% of the time which is 3.66% higher against Hwei than the average opponent.
After normalising both champions win rates Senna wins against Hwei 1.56% more often than would be expected.
The average opponent winrate against Hwei is 47.69%.


Vayne
a Caçadora Noturna
Senna wins against Vayne 51.55% of the time which is 4.13% higher against Vayne than the average opponent.
After normalising both champions win rates Senna wins against Vayne 2.03% more often than would be expected.
The average opponent winrate against Vayne is 47.42%.


Jhin
o Virtuoso
Senna wins against Jhin 51.60% of the time which is 1.22% higher against Jhin than the average opponent.
After normalising both champions win rates Senna wins against Jhin 0.88% less often than would be expected.
The average opponent winrate against Jhin is 50.38%.


Varus
a Flecha da Vingança
Senna wins against Varus 51.83% of the time which is 1.58% higher against Varus than the average opponent.
After normalising both champions win rates Senna wins against Varus 0.52% less often than would be expected.
The average opponent winrate against Varus is 50.25%.


Draven
o Carrasco de Noxus
Senna wins against Draven 51.86% of the time which is 0.84% higher against Draven than the average opponent.
After normalising both champions win rates Senna wins against Draven 1.26% less often than would be expected.
The average opponent winrate against Draven is 51.02%.


Swain
o Grande General Noxiano
Senna wins against Swain 51.90% of the time which is 2.81% higher against Swain than the average opponent.
After normalising both champions win rates Senna wins against Swain 0.71% more often than would be expected.
The average opponent winrate against Swain is 49.09%.


Ezreal
o Explorador Pródigo
Senna wins against Ezreal 52.06% of the time which is 1.76% higher against Ezreal than the average opponent.
After normalising both champions win rates Senna wins against Ezreal 0.34% less often than would be expected.
The average opponent winrate against Ezreal is 50.30%.


Corki
o Bombardeiro Ousado
Senna wins against Corki 52.09% of the time which is 2.64% higher against Corki than the average opponent.
After normalising both champions win rates Senna wins against Corki 0.54% more often than would be expected.
The average opponent winrate against Corki is 49.45%.


Vel'Koz
o Olho do Vazio
Senna wins against Vel'Koz 52.41% of the time which is 6.73% higher against Vel'Koz than the average opponent.
After normalising both champions win rates Senna wins against Vel'Koz 4.64% more often than would be expected.
The average opponent winrate against Vel'Koz is 45.68%.


Kalista
a Lança da Vingança
Senna wins against Kalista 52.52% of the time which is 1.47% higher against Kalista than the average opponent.
After normalising both champions win rates Senna wins against Kalista 0.63% less often than would be expected.
The average opponent winrate against Kalista is 51.05%.


Samira
a Rosa do Deserto
Senna wins against Samira 52.54% of the time which is 1.72% higher against Samira than the average opponent.
After normalising both champions win rates Senna wins against Samira 0.38% less often than would be expected.
The average opponent winrate against Samira is 50.82%.


Sivir
a Mestra da Batalha
Senna wins against Sivir 52.55% of the time which is 3.80% higher against Sivir than the average opponent.
After normalising both champions win rates Senna wins against Sivir 1.70% more often than would be expected.
The average opponent winrate against Sivir is 48.75%.


Syndra
a Soberana Sombria
Senna wins against Syndra 52.65% of the time which is 1.56% higher against Syndra than the average opponent.
After normalising both champions win rates Senna wins against Syndra 0.54% less often than would be expected.
The average opponent winrate against Syndra is 51.09%.


Lucian
o Purificador
Senna wins against Lucian 52.87% of the time which is 2.89% higher against Lucian than the average opponent.
After normalising both champions win rates Senna wins against Lucian 0.79% more often than would be expected.
The average opponent winrate against Lucian is 49.98%.


Zeri
A Faísca de Zaun
Senna wins against Zeri 53.25% of the time which is 3.07% higher against Zeri than the average opponent.
After normalising both champions win rates Senna wins against Zeri 0.97% more often than would be expected.
The average opponent winrate against Zeri is 50.18%.


Kai'Sa
a Filha do Vazio
Senna wins against Kai'Sa 53.27% of the time which is 2.25% higher against Kai'Sa than the average opponent.
After normalising both champions win rates Senna wins against Kai'Sa 0.15% more often than would be expected.
The average opponent winrate against Kai'Sa is 51.02%.


Aurora
a Bruxa Entre Mundos
Senna wins against Aurora 53.28% of the time which is 1.16% higher against Aurora than the average opponent.
After normalising both champions win rates Senna wins against Aurora 0.93% less often than would be expected.
The average opponent winrate against Aurora is 52.12%.


Ashe
a Arqueira do Gelo
Senna wins against Ashe 53.80% of the time which is 2.27% higher against Ashe than the average opponent.
After normalising both champions win rates Senna wins against Ashe 0.17% more often than would be expected.
The average opponent winrate against Ashe is 51.53%.


Tahm Kench
o Rei do Rio
Senna wins against Tahm Kench 54.37% of the time which is 8.24% higher against Tahm Kench than the average opponent.
After normalising both champions win rates Senna wins against Tahm Kench 6.15% more often than would be expected.
The average opponent winrate against Tahm Kench is 46.13%.


Xayah
a Rebelde
Senna wins against Xayah 54.37% of the time which is 4.92% higher against Xayah than the average opponent.
After normalising both champions win rates Senna wins against Xayah 2.82% more often than would be expected.
The average opponent winrate against Xayah is 49.45%.


Smolder
o Filhote Flamejante
Senna wins against Smolder 55.19% of the time which is 4.06% higher against Smolder than the average opponent.
After normalising both champions win rates Senna wins against Smolder 1.96% more often than would be expected.
The average opponent winrate against Smolder is 51.13%.


Karthus
a Voz Mortal
Senna wins against Karthus 56.63% of the time which is 7.18% higher against Karthus than the average opponent.
After normalising both champions win rates Senna wins against Karthus 5.08% more often than would be expected.
The average opponent winrate against Karthus is 49.45%.


Cho'Gath
o Terror do Vazio
Senna wins against Cho'Gath 57.69% of the time which is 5.50% higher against Cho'Gath than the average opponent.
After normalising both champions win rates Senna wins against Cho'Gath 3.41% more often than would be expected.
The average opponent winrate against Cho'Gath is 52.19%.


Malzahar
o Profeta do Vazio
Senna wins against Malzahar 64.60% of the time which is 15.09% higher against Malzahar than the average opponent.
After normalising both champions win rates Senna wins against Malzahar 12.99% more often than would be expected.
The average opponent winrate against Malzahar is 49.51%.