

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: 4,127,444
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 15.17 is the strongest counter to bottom champions of Lucian, Kalista & Mel. While Senna support is countered most by bottom champions of Jhin, Yunara & Nilah. Below is a detailed breakdown of Senna support counters against bottom champions with a minimum of 100 games.


Jhin
Wirtuoz
Senna wins against Jhin 42.35% of the time which is 9.85% lower against Jhin than the average opponent.
After normalising both champions win rates Senna wins against Jhin 4.28% less often than would be expected.
The average opponent winrate against Jhin is 52.20%.


Yunara
Niezłomna Wiara
Senna wins against Yunara 43.13% of the time which is 9.02% lower against Yunara than the average opponent.
After normalising both champions win rates Senna wins against Yunara 3.45% less often than would be expected.
The average opponent winrate against Yunara is 52.15%.


Nilah
Nieokiełznana radość
Senna wins against Nilah 44.67% of the time which is 6.40% lower against Nilah than the average opponent.
After normalising both champions win rates Senna wins against Nilah 0.83% less often than would be expected.
The average opponent winrate against Nilah is 51.07%.


Caitlyn
Szeryf Piltover
Senna wins against Caitlyn 44.88% of the time which is 8.07% lower against Caitlyn than the average opponent.
After normalising both champions win rates Senna wins against Caitlyn 2.50% less often than would be expected.
The average opponent winrate against Caitlyn is 52.95%.


Smolder
Ognisty Podlotek
Senna wins against Smolder 45.14% of the time which is 5.94% lower against Smolder than the average opponent.
After normalising both champions win rates Senna wins against Smolder 0.37% less often than would be expected.
The average opponent winrate against Smolder is 51.08%.


Miss Fortune
Łowczyni Nagród
Senna wins against Miss Fortune 45.25% of the time which is 5.18% lower against Miss Fortune than the average opponent.
After normalising both champions win rates Senna wins against Miss Fortune 0.39% more often than would be expected.
The average opponent winrate against Miss Fortune is 50.43%.


Twitch
Szczur Zarazy
Senna wins against Twitch 45.32% of the time which is 7.78% lower against Twitch than the average opponent.
After normalising both champions win rates Senna wins against Twitch 2.21% less often than would be expected.
The average opponent winrate against Twitch is 53.10%.


Ashe
Lodowa Łuczniczka
Senna wins against Ashe 46.35% of the time which is 6.04% lower against Ashe than the average opponent.
After normalising both champions win rates Senna wins against Ashe 0.47% less often than would be expected.
The average opponent winrate against Ashe is 52.39%.


Tristana
Dumna Kanonierka
Senna wins against Tristana 46.43% of the time which is 7.42% lower against Tristana than the average opponent.
After normalising both champions win rates Senna wins against Tristana 1.85% less often than would be expected.
The average opponent winrate against Tristana is 53.85%.


Zeri
Iskierka Zaun
Senna wins against Zeri 47.02% of the time which is 7.48% lower against Zeri than the average opponent.
After normalising both champions win rates Senna wins against Zeri 1.92% less often than would be expected.
The average opponent winrate against Zeri is 54.50%.


Samira
Róża Pustyni
Senna wins against Samira 47.19% of the time which is 5.00% lower against Samira than the average opponent.
After normalising both champions win rates Senna wins against Samira 0.57% more often than would be expected.
The average opponent winrate against Samira is 52.19%.


Sivir
Pani Wojny
Senna wins against Sivir 47.39% of the time which is 3.51% lower against Sivir than the average opponent.
After normalising both champions win rates Senna wins against Sivir 2.06% more often than would be expected.
The average opponent winrate against Sivir is 50.90%.


Ziggs
Hextechowy Saper
Senna wins against Ziggs 47.90% of the time which is 2.60% lower against Ziggs than the average opponent.
After normalising both champions win rates Senna wins against Ziggs 2.97% more often than would be expected.
The average opponent winrate against Ziggs is 50.50%.


Aphelios
Broń Wiernych
Senna wins against Aphelios 47.92% of the time which is 3.75% lower against Aphelios than the average opponent.
After normalising both champions win rates Senna wins against Aphelios 1.82% more often than would be expected.
The average opponent winrate against Aphelios is 51.67%.


Jinx
Wystrzałowa Wariatka
Senna wins against Jinx 48.27% of the time which is 3.89% lower against Jinx than the average opponent.
After normalising both champions win rates Senna wins against Jinx 1.68% more often than would be expected.
The average opponent winrate against Jinx is 52.16%.


Ezreal
Odkrywca z Powołania
Senna wins against Ezreal 48.52% of the time which is 6.31% lower against Ezreal than the average opponent.
After normalising both champions win rates Senna wins against Ezreal 0.75% less often than would be expected.
The average opponent winrate against Ezreal is 54.83%.


Vayne
Nocna Łowczyni
Senna wins against Vayne 48.64% of the time which is 3.64% lower against Vayne than the average opponent.
After normalising both champions win rates Senna wins against Vayne 1.93% more often than would be expected.
The average opponent winrate against Vayne is 52.28%.


Xayah
Buntowniczka
Senna wins against Xayah 48.90% of the time which is 4.53% lower against Xayah than the average opponent.
After normalising both champions win rates Senna wins against Xayah 1.04% more often than would be expected.
The average opponent winrate against Xayah is 53.43%.


Kai'Sa
Córa Pustki
Senna wins against Kai'Sa 49.20% of the time which is 3.04% lower against Kai'Sa than the average opponent.
After normalising both champions win rates Senna wins against Kai'Sa 2.53% more often than would be expected.
The average opponent winrate against Kai'Sa is 52.24%.


Kog'Maw
Paszcza Otchłani
Senna wins against Kog'Maw 49.46% of the time which is 2.19% lower against Kog'Maw than the average opponent.
After normalising both champions win rates Senna wins against Kog'Maw 3.38% more often than would be expected.
The average opponent winrate against Kog'Maw is 51.65%.


Varus
Strzała Odkupienia
Senna wins against Varus 50.31% of the time which is 4.89% lower against Varus than the average opponent.
After normalising both champions win rates Senna wins against Varus 0.67% more often than would be expected.
The average opponent winrate against Varus is 55.20%.


Draven
Wielki Oprawca
Senna wins against Draven 50.86% of the time which is 2.88% lower against Draven than the average opponent.
After normalising both champions win rates Senna wins against Draven 2.69% more often than would be expected.
The average opponent winrate against Draven is 53.74%.


Mel
Odbicie Duszy
Senna wins against Mel 51.67% of the time which is 2.58% lower against Mel than the average opponent.
After normalising both champions win rates Senna wins against Mel 2.98% more often than would be expected.
The average opponent winrate against Mel is 54.25%.


Kalista
Włócznia Zemsty
Senna wins against Kalista 52.83% of the time which is 2.75% lower against Kalista than the average opponent.
After normalising both champions win rates Senna wins against Kalista 2.80% more often than would be expected.
The average opponent winrate against Kalista is 55.58%.


Lucian
Kleryk Broni
Senna wins against Lucian 53.59% of the time which is 0.69% lower against Lucian than the average opponent.
After normalising both champions win rates Senna wins against Lucian 4.87% more often than would be expected.
The average opponent winrate against Lucian is 54.28%.