

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: 6,441,357
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 15.16 is the strongest counter to support champions of Bard, Yuumi & Rell. While Senna support is countered most by support champions of Teemo, Veigar & Poppy. Below is a detailed breakdown of Senna support counters against support champions with a minimum of 100 games.


Teemo
Rychlý zvěd
Senna wins against Teemo 36.01% of the time which is 13.10% lower against Teemo than the average opponent.
After normalising both champions win rates Senna wins against Teemo 2.59% less often than would be expected.
The average opponent winrate against Teemo is 49.11%.


Veigar
Maličký pán zla
Senna wins against Veigar 39.15% of the time which is 14.91% lower against Veigar than the average opponent.
After normalising both champions win rates Senna wins against Veigar 4.36% less often than would be expected.
The average opponent winrate against Veigar is 54.06%.


Poppy
Strážkyně kladiva
Senna wins against Poppy 39.71% of the time which is 13.06% lower against Poppy than the average opponent.
After normalising both champions win rates Senna wins against Poppy 2.51% less often than would be expected.
The average opponent winrate against Poppy is 52.77%.


Swain
Noxijský velegenerál
Senna wins against Swain 40.09% of the time which is 12.90% lower against Swain than the average opponent.
After normalising both champions win rates Senna wins against Swain 2.35% less often than would be expected.
The average opponent winrate against Swain is 52.99%.


Galio
Kolos
Senna wins against Galio 40.14% of the time which is 12.64% lower against Galio than the average opponent.
After normalising both champions win rates Senna wins against Galio 2.09% less often than would be expected.
The average opponent winrate against Galio is 52.78%.


Milio
Něžný plamen
Senna wins against Milio 40.15% of the time which is 10.19% lower against Milio than the average opponent.
After normalising both champions win rates Senna wins against Milio 0.35% more often than would be expected.
The average opponent winrate against Milio is 50.34%.


Vel'Koz
Oko z Prázdnoty
Senna wins against Vel'Koz 40.19% of the time which is 13.11% lower against Vel'Koz than the average opponent.
After normalising both champions win rates Senna wins against Vel'Koz 2.56% less often than would be expected.
The average opponent winrate against Vel'Koz is 53.30%.


Brand
Ohnivá pomsta
Senna wins against Brand 40.43% of the time which is 12.01% lower against Brand than the average opponent.
After normalising both champions win rates Senna wins against Brand 1.46% less often than would be expected.
The average opponent winrate against Brand is 52.44%.


Nami
Vládkyně přílivu
Senna wins against Nami 40.53% of the time which is 11.79% lower against Nami than the average opponent.
After normalising both champions win rates Senna wins against Nami 1.24% less often than would be expected.
The average opponent winrate against Nami is 52.32%.


Zyra
Probuzení trnů
Senna wins against Zyra 40.79% of the time which is 9.94% lower against Zyra than the average opponent.
After normalising both champions win rates Senna wins against Zyra 0.60% more often than would be expected.
The average opponent winrate against Zyra is 50.73%.


Lux
Paní světla
Senna wins against Lux 40.85% of the time which is 11.80% lower against Lux than the average opponent.
After normalising both champions win rates Senna wins against Lux 1.25% less often than would be expected.
The average opponent winrate against Lux is 52.65%.


Sona
Mistryně strun
Senna wins against Sona 41.36% of the time which is 10.45% lower against Sona than the average opponent.
After normalising both champions win rates Senna wins against Sona 0.10% more often than would be expected.
The average opponent winrate against Sona is 51.81%.


Shen
Oko soumraku
Senna wins against Shen 41.67% of the time which is 9.64% lower against Shen than the average opponent.
After normalising both champions win rates Senna wins against Shen 0.91% more often than would be expected.
The average opponent winrate against Shen is 51.31%.


Janna
Hněv bouře
Senna wins against Janna 41.72% of the time which is 12.66% lower against Janna than the average opponent.
After normalising both champions win rates Senna wins against Janna 2.11% less often than would be expected.
The average opponent winrate against Janna is 54.38%.


Leona
Zářivý úsvit
Senna wins against Leona 41.94% of the time which is 9.84% lower against Leona than the average opponent.
After normalising both champions win rates Senna wins against Leona 0.71% more often than would be expected.
The average opponent winrate against Leona is 51.78%.


Morgana
Padlá
Senna wins against Morgana 42.29% of the time which is 10.07% lower against Morgana than the average opponent.
After normalising both champions win rates Senna wins against Morgana 0.48% more often than would be expected.
The average opponent winrate against Morgana is 52.36%.


Neeko
Zvědavá chameleonka
Senna wins against Neeko 42.42% of the time which is 12.02% lower against Neeko than the average opponent.
After normalising both champions win rates Senna wins against Neeko 1.47% less often than would be expected.
The average opponent winrate against Neeko is 54.44%.


Nautilus
Titán z hlubin
Senna wins against Nautilus 42.44% of the time which is 11.41% lower against Nautilus than the average opponent.
After normalising both champions win rates Senna wins against Nautilus 0.86% less often than would be expected.
The average opponent winrate against Nautilus is 53.85%.


Blitzcrank
Velký parní golem
Senna wins against Blitzcrank 43.08% of the time which is 10.45% lower against Blitzcrank than the average opponent.
After normalising both champions win rates Senna wins against Blitzcrank 0.10% more often than would be expected.
The average opponent winrate against Blitzcrank is 53.53%.


Pyke
Rozparovač z Krvavého přístavu
Senna wins against Pyke 43.38% of the time which is 12.17% lower against Pyke than the average opponent.
After normalising both champions win rates Senna wins against Pyke 1.63% less often than would be expected.
The average opponent winrate against Pyke is 55.55%.


Pantheon
Nezlomné kopí
Senna wins against Pantheon 43.67% of the time which is 10.55% lower against Pantheon than the average opponent.
After normalising both champions win rates Senna wins against Pantheon 0.00% less often than would be expected.
The average opponent winrate against Pantheon is 54.22%.


Thresh
Řetězový strážce
Senna wins against Thresh 43.82% of the time which is 9.98% lower against Thresh than the average opponent.
After normalising both champions win rates Senna wins against Thresh 0.57% more often than would be expected.
The average opponent winrate against Thresh is 53.80%.


Seraphine
Idealistická pěvkyně
Senna wins against Seraphine 43.94% of the time which is 10.80% lower against Seraphine than the average opponent.
After normalising both champions win rates Senna wins against Seraphine 0.25% less often than would be expected.
The average opponent winrate against Seraphine is 54.74%.


Taric
Štít Valoranu
Senna wins against Taric 44.14% of the time which is 5.26% lower against Taric than the average opponent.
After normalising both champions win rates Senna wins against Taric 5.26% more often than would be expected.
The average opponent winrate against Taric is 49.40%.


Xerath
Vyšší mág
Senna wins against Xerath 44.44% of the time which is 8.42% lower against Xerath than the average opponent.
After normalising both champions win rates Senna wins against Xerath 2.13% more often than would be expected.
The average opponent winrate against Xerath is 52.86%.


Renata Glasc
Chemobaronka
Senna wins against Renata Glasc 44.53% of the time which is 9.55% lower against Renata Glasc than the average opponent.
After normalising both champions win rates Senna wins against Renata Glasc 1.00% more often than would be expected.
The average opponent winrate against Renata Glasc is 54.08%.


Zilean
Strážce času
Senna wins against Zilean 44.68% of the time which is 9.66% lower against Zilean than the average opponent.
After normalising both champions win rates Senna wins against Zilean 0.89% more often than would be expected.
The average opponent winrate against Zilean is 54.34%.


Lulu
Vílí čarodějka
Senna wins against Lulu 45.13% of the time which is 10.08% lower against Lulu than the average opponent.
After normalising both champions win rates Senna wins against Lulu 0.46% more often than would be expected.
The average opponent winrate against Lulu is 55.21%.


Maokai
Pokroucený ent
Senna wins against Maokai 45.32% of the time which is 6.60% lower against Maokai than the average opponent.
After normalising both champions win rates Senna wins against Maokai 3.95% more often than would be expected.
The average opponent winrate against Maokai is 51.92%.


Braum
Srdce Freljordu
Senna wins against Braum 45.34% of the time which is 8.31% lower against Braum than the average opponent.
After normalising both champions win rates Senna wins against Braum 2.24% more often than would be expected.
The average opponent winrate against Braum is 53.65%.


Ashe
Mrazivá lučištnice
Senna wins against Ashe 45.83% of the time which is 11.98% lower against Ashe than the average opponent.
After normalising both champions win rates Senna wins against Ashe 1.48% less often than would be expected.
The average opponent winrate against Ashe is 57.81%.


Mel
Odraz duše
Senna wins against Mel 46.10% of the time which is 9.37% lower against Mel than the average opponent.
After normalising both champions win rates Senna wins against Mel 1.17% more often than would be expected.
The average opponent winrate against Mel is 55.47%.


Tahm Kench
Král řeky
Senna wins against Tahm Kench 46.49% of the time which is 7.73% lower against Tahm Kench than the average opponent.
After normalising both champions win rates Senna wins against Tahm Kench 2.82% more often than would be expected.
The average opponent winrate against Tahm Kench is 54.22%.


Shaco
Ďábelský šašek
Senna wins against Shaco 46.55% of the time which is 6.87% lower against Shaco than the average opponent.
After normalising both champions win rates Senna wins against Shaco 3.68% more often than would be expected.
The average opponent winrate against Shaco is 53.42%.


Soraka
Dítě hvězd
Senna wins against Soraka 47.20% of the time which is 5.82% lower against Soraka than the average opponent.
After normalising both champions win rates Senna wins against Soraka 4.73% more often than would be expected.
The average opponent winrate against Soraka is 53.02%.


Miss Fortune
Lovkyně odměn
Senna wins against Miss Fortune 47.62% of the time which is 10.96% lower against Miss Fortune than the average opponent.
After normalising both champions win rates Senna wins against Miss Fortune 0.48% less often than would be expected.
The average opponent winrate against Miss Fortune is 58.58%.


Karma
Osvícená
Senna wins against Karma 47.78% of the time which is 6.89% lower against Karma than the average opponent.
After normalising both champions win rates Senna wins against Karma 3.66% more often than would be expected.
The average opponent winrate against Karma is 54.67%.


Alistar
Minotaurus
Senna wins against Alistar 47.79% of the time which is 7.06% lower against Alistar than the average opponent.
After normalising both champions win rates Senna wins against Alistar 3.49% more often than would be expected.
The average opponent winrate against Alistar is 54.85%.


Rakan
Miláček publika
Senna wins against Rakan 48.24% of the time which is 6.30% lower against Rakan than the average opponent.
After normalising both champions win rates Senna wins against Rakan 4.25% more often than would be expected.
The average opponent winrate against Rakan is 54.54%.


Malphite
Úlomek monolitu
Senna wins against Malphite 48.41% of the time which is 5.06% lower against Malphite than the average opponent.
After normalising both champions win rates Senna wins against Malphite 5.49% more often than would be expected.
The average opponent winrate against Malphite is 53.47%.


Rell
Železná panna
Senna wins against Rell 48.66% of the time which is 4.76% lower against Rell than the average opponent.
After normalising both champions win rates Senna wins against Rell 5.79% more often than would be expected.
The average opponent winrate against Rell is 53.42%.


Yuumi
Kouzelná kočka
Senna wins against Yuumi 53.07% of the time which is 5.56% lower against Yuumi than the average opponent.
After normalising both champions win rates Senna wins against Yuumi 4.92% more often than would be expected.
The average opponent winrate against Yuumi is 58.63%.


Bard
Potulný opatrovník
Senna wins against Bard 55.13% of the time which is 0.77% lower against Bard than the average opponent.
After normalising both champions win rates Senna wins against Bard 9.77% more often than would be expected.
The average opponent winrate against Bard is 55.90%.