

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.
Iron Champions Analysed: 4,685,710
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 15.16 is the strongest counter to middle champions of Kassadin, Azir & Mel. While Senna support is countered most by middle champions of Swain, Viktor & Irelia. Below is a detailed breakdown of Senna support counters against middle champions with a minimum of 100 games.


Swain
Noxijský velegenerál
Senna wins against Swain 34.11% of the time which is 17.55% lower against Swain than the average opponent.
After normalising both champions win rates Senna wins against Swain 7.45% less often than would be expected.
The average opponent winrate against Swain is 51.66%.


Viktor
Zvěstovatel arkany
Senna wins against Viktor 35.47% of the time which is 18.33% lower against Viktor than the average opponent.
After normalising both champions win rates Senna wins against Viktor 8.23% less often than would be expected.
The average opponent winrate against Viktor is 53.80%.


Irelia
Tanečnice s čepelemi
Senna wins against Irelia 36.63% of the time which is 17.75% lower against Irelia than the average opponent.
After normalising both champions win rates Senna wins against Irelia 7.65% less often than would be expected.
The average opponent winrate against Irelia is 54.38%.


Veigar
Maličký pán zla
Senna wins against Veigar 37.27% of the time which is 14.09% lower against Veigar than the average opponent.
After normalising both champions win rates Senna wins against Veigar 3.99% less often than would be expected.
The average opponent winrate against Veigar is 51.36%.


Aurelion Sol
Stvořitel hvězd
Senna wins against Aurelion Sol 37.45% of the time which is 15.45% lower against Aurelion Sol than the average opponent.
After normalising both champions win rates Senna wins against Aurelion Sol 5.35% less often than would be expected.
The average opponent winrate against Aurelion Sol is 52.90%.


Hwei
Vizionář
Senna wins against Hwei 38.37% of the time which is 15.80% lower against Hwei than the average opponent.
After normalising both champions win rates Senna wins against Hwei 5.70% less often than would be expected.
The average opponent winrate against Hwei is 54.17%.


Ryze
Runový mág
Senna wins against Ryze 38.65% of the time which is 16.09% lower against Ryze than the average opponent.
After normalising both champions win rates Senna wins against Ryze 5.99% less often than would be expected.
The average opponent winrate against Ryze is 54.74%.


Morgana
Padlá
Senna wins against Morgana 40.00% of the time which is 11.13% lower against Morgana than the average opponent.
After normalising both champions win rates Senna wins against Morgana 1.04% less often than would be expected.
The average opponent winrate against Morgana is 51.13%.


Diana
Opovržení Měsíce
Senna wins against Diana 40.03% of the time which is 13.00% lower against Diana than the average opponent.
After normalising both champions win rates Senna wins against Diana 2.90% less often than would be expected.
The average opponent winrate against Diana is 53.03%.


Yasuo
Zahanbený
Senna wins against Yasuo 40.79% of the time which is 11.93% lower against Yasuo than the average opponent.
After normalising both champions win rates Senna wins against Yasuo 1.83% less often than would be expected.
The average opponent winrate against Yasuo is 52.72%.


Fizz
Mořský poděs
Senna wins against Fizz 40.90% of the time which is 12.67% lower against Fizz than the average opponent.
After normalising both champions win rates Senna wins against Fizz 2.57% less often than would be expected.
The average opponent winrate against Fizz is 53.57%.


Lux
Paní světla
Senna wins against Lux 41.00% of the time which is 10.66% lower against Lux than the average opponent.
After normalising both champions win rates Senna wins against Lux 0.56% less often than would be expected.
The average opponent winrate against Lux is 51.66%.


Akshan
Zběhlý strážce
Senna wins against Akshan 41.49% of the time which is 13.90% lower against Akshan than the average opponent.
After normalising both champions win rates Senna wins against Akshan 3.81% less often than would be expected.
The average opponent winrate against Akshan is 55.39%.


Talon
Stín čepele
Senna wins against Talon 41.79% of the time which is 13.03% lower against Talon than the average opponent.
After normalising both champions win rates Senna wins against Talon 2.93% less often than would be expected.
The average opponent winrate against Talon is 54.82%.


Katarina
Zlověstná čepel
Senna wins against Katarina 41.83% of the time which is 14.07% lower against Katarina than the average opponent.
After normalising both champions win rates Senna wins against Katarina 3.99% less often than would be expected.
The average opponent winrate against Katarina is 55.90%.


Brand
Ohnivá pomsta
Senna wins against Brand 41.89% of the time which is 10.51% lower against Brand than the average opponent.
After normalising both champions win rates Senna wins against Brand 0.41% less often than would be expected.
The average opponent winrate against Brand is 52.40%.


Xerath
Vyšší mág
Senna wins against Xerath 42.06% of the time which is 10.20% lower against Xerath than the average opponent.
After normalising both champions win rates Senna wins against Xerath 0.10% less often than would be expected.
The average opponent winrate against Xerath is 52.26%.


Malzahar
Prorok z Prázdnoty
Senna wins against Malzahar 42.40% of the time which is 8.44% lower against Malzahar than the average opponent.
After normalising both champions win rates Senna wins against Malzahar 1.65% more often than would be expected.
The average opponent winrate against Malzahar is 50.84%.


Malphite
Úlomek monolitu
Senna wins against Malphite 42.74% of the time which is 9.11% lower against Malphite than the average opponent.
After normalising both champions win rates Senna wins against Malphite 0.99% more often than would be expected.
The average opponent winrate against Malphite is 51.85%.


Galio
Kolos
Senna wins against Galio 43.60% of the time which is 8.28% lower against Galio than the average opponent.
After normalising both champions win rates Senna wins against Galio 1.82% more often than would be expected.
The average opponent winrate against Galio is 51.88%.


Neeko
Zvědavá chameleonka
Senna wins against Neeko 43.80% of the time which is 9.86% lower against Neeko than the average opponent.
After normalising both champions win rates Senna wins against Neeko 0.24% more often than would be expected.
The average opponent winrate against Neeko is 53.66%.


Naafiri
Pes, který kouše stokrát
Senna wins against Naafiri 43.83% of the time which is 7.76% lower against Naafiri than the average opponent.
After normalising both champions win rates Senna wins against Naafiri 2.34% more often than would be expected.
The average opponent winrate against Naafiri is 51.59%.


Ekko
Mladičký pán střípků času
Senna wins against Ekko 43.94% of the time which is 8.50% lower against Ekko than the average opponent.
After normalising both champions win rates Senna wins against Ekko 1.60% more often than would be expected.
The average opponent winrate against Ekko is 52.44%.


Pantheon
Nezlomné kopí
Senna wins against Pantheon 44.00% of the time which is 8.61% lower against Pantheon than the average opponent.
After normalising both champions win rates Senna wins against Pantheon 1.49% more often than would be expected.
The average opponent winrate against Pantheon is 52.61%.


Zoe
Aspekt soumraku
Senna wins against Zoe 44.34% of the time which is 11.55% lower against Zoe than the average opponent.
After normalising both champions win rates Senna wins against Zoe 1.47% less often than would be expected.
The average opponent winrate against Zoe is 55.89%.


Annie
Temné dítě
Senna wins against Annie 44.50% of the time which is 9.94% lower against Annie than the average opponent.
After normalising both champions win rates Senna wins against Annie 0.16% more often than would be expected.
The average opponent winrate against Annie is 54.44%.


Akali
Odpadlá vražedkyně
Senna wins against Akali 44.91% of the time which is 8.78% lower against Akali than the average opponent.
After normalising both champions win rates Senna wins against Akali 1.32% more often than would be expected.
The average opponent winrate against Akali is 53.69%.


Orianna
Mechanická dáma
Senna wins against Orianna 45.39% of the time which is 8.96% lower against Orianna than the average opponent.
After normalising both champions win rates Senna wins against Orianna 1.14% more often than would be expected.
The average opponent winrate against Orianna is 54.35%.


Vex
Vládkyně splínů
Senna wins against Vex 45.42% of the time which is 8.25% lower against Vex than the average opponent.
After normalising both champions win rates Senna wins against Vex 1.85% more often than would be expected.
The average opponent winrate against Vex is 53.67%.


Twisted Fate
Karetní mistr
Senna wins against Twisted Fate 45.45% of the time which is 10.67% lower against Twisted Fate than the average opponent.
After normalising both champions win rates Senna wins against Twisted Fate 0.59% less often than would be expected.
The average opponent winrate against Twisted Fate is 56.12%.


Ahri
Devítiocasá liška
Senna wins against Ahri 45.54% of the time which is 8.88% lower against Ahri than the average opponent.
After normalising both champions win rates Senna wins against Ahri 1.22% more often than would be expected.
The average opponent winrate against Ahri is 54.42%.


Heimerdinger
Vznešený vynálezce
Senna wins against Heimerdinger 46.28% of the time which is 3.71% lower against Heimerdinger than the average opponent.
After normalising both champions win rates Senna wins against Heimerdinger 6.37% more often than would be expected.
The average opponent winrate against Heimerdinger is 49.99%.


Aurora
Čarodějka mezi světy
Senna wins against Aurora 46.34% of the time which is 9.12% lower against Aurora than the average opponent.
After normalising both champions win rates Senna wins against Aurora 0.97% more often than would be expected.
The average opponent winrate against Aurora is 55.46%.


Yone
Nezapomenutý
Senna wins against Yone 46.50% of the time which is 7.92% lower against Yone than the average opponent.
After normalising both champions win rates Senna wins against Yone 2.18% more often than would be expected.
The average opponent winrate against Yone is 54.42%.


Sylas
Nespoutaný
Senna wins against Sylas 46.61% of the time which is 9.22% lower against Sylas than the average opponent.
After normalising both champions win rates Senna wins against Sylas 0.87% more often than would be expected.
The average opponent winrate against Sylas is 55.83%.


Cassiopeia
Hadí objetí
Senna wins against Cassiopeia 46.90% of the time which is 7.45% lower against Cassiopeia than the average opponent.
After normalising both champions win rates Senna wins against Cassiopeia 2.65% more often than would be expected.
The average opponent winrate against Cassiopeia is 54.35%.


Lissandra
Ledová čarodějka
Senna wins against Lissandra 47.06% of the time which is 6.19% lower against Lissandra than the average opponent.
After normalising both champions win rates Senna wins against Lissandra 3.91% more often than would be expected.
The average opponent winrate against Lissandra is 53.25%.


LeBlanc
Mistryně klamu
Senna wins against LeBlanc 47.15% of the time which is 8.01% lower against LeBlanc than the average opponent.
After normalising both champions win rates Senna wins against LeBlanc 2.08% more often than would be expected.
The average opponent winrate against LeBlanc is 55.16%.


Vladimir
Šarlatový děs
Senna wins against Vladimir 48.57% of the time which is 5.56% lower against Vladimir than the average opponent.
After normalising both champions win rates Senna wins against Vladimir 4.54% more often than would be expected.
The average opponent winrate against Vladimir is 54.13%.


Ziggs
Odborník na exploze
Senna wins against Ziggs 49.08% of the time which is 3.55% lower against Ziggs than the average opponent.
After normalising both champions win rates Senna wins against Ziggs 6.55% more often than would be expected.
The average opponent winrate against Ziggs is 52.63%.


Qiyana
Císařovna živlů
Senna wins against Qiyana 49.12% of the time which is 9.32% lower against Qiyana than the average opponent.
After normalising both champions win rates Senna wins against Qiyana 0.71% more often than would be expected.
The average opponent winrate against Qiyana is 58.44%.


Zed
Mistr stínů
Senna wins against Zed 50.16% of the time which is 5.71% lower against Zed than the average opponent.
After normalising both champions win rates Senna wins against Zed 4.38% more often than would be expected.
The average opponent winrate against Zed is 55.87%.


Syndra
Temná vládkyně
Senna wins against Syndra 50.95% of the time which is 4.01% lower against Syndra than the average opponent.
After normalising both champions win rates Senna wins against Syndra 6.09% more often than would be expected.
The average opponent winrate against Syndra is 54.96%.


Mel
Odraz duše
Senna wins against Mel 51.94% of the time which is 2.74% lower against Mel than the average opponent.
After normalising both champions win rates Senna wins against Mel 7.36% more often than would be expected.
The average opponent winrate against Mel is 54.68%.


Kassadin
Poutník z Prázdnoty
Senna wins against Kassadin 52.80% of the time which is 1.89% lower against Kassadin than the average opponent.
After normalising both champions win rates Senna wins against Kassadin 8.21% more often than would be expected.
The average opponent winrate against Kassadin is 54.69%.


Azir
Písečný císař
Senna wins against Azir 52.80% of the time which is 4.10% lower against Azir than the average opponent.
After normalising both champions win rates Senna wins against Azir 5.97% more often than would be expected.
The average opponent winrate against Azir is 56.90%.