

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.
Emerald+ Champions Analysed: 33,290,224
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 30 is the strongest counter to bottom champions of Brand, Kalista & Xayah. While Senna support is countered most by bottom champions of Heimerdinger, Zyra & Syndra. Below is a detailed breakdown of Senna support counters against bottom champions with a minimum of 100 games.


Heimerdinger
the Revered Inventor
Senna wins against Heimerdinger 40.16% of the time which is 4.33% lower against Heimerdinger than the average opponent.
After normalising both champions win rates Senna wins against Heimerdinger 5.14% less often than would be expected.
The average opponent winrate against Heimerdinger is 44.49%.


Zyra
Rise of the Thorns
Senna wins against Zyra 40.80% of the time which is 5.82% lower against Zyra than the average opponent.
After normalising both champions win rates Senna wins against Zyra 6.63% less often than would be expected.
The average opponent winrate against Zyra is 46.62%.


Syndra
the Dark Sovereign
Senna wins against Syndra 42.64% of the time which is 5.52% lower against Syndra than the average opponent.
After normalising both champions win rates Senna wins against Syndra 6.33% less often than would be expected.
The average opponent winrate against Syndra is 48.16%.


Karthus
the Deathsinger
Senna wins against Karthus 45.48% of the time which is 0.32% lower against Karthus than the average opponent.
After normalising both champions win rates Senna wins against Karthus 1.13% less often than would be expected.
The average opponent winrate against Karthus is 45.80%.


Tristana
the Yordle Gunner
Senna wins against Tristana 45.99% of the time which is 1.71% lower against Tristana than the average opponent.
After normalising both champions win rates Senna wins against Tristana 2.52% less often than would be expected.
The average opponent winrate against Tristana is 47.70%.


Twitch
the Plague Rat
Senna wins against Twitch 46.43% of the time which is 1.14% lower against Twitch than the average opponent.
After normalising both champions win rates Senna wins against Twitch 1.95% less often than would be expected.
The average opponent winrate against Twitch is 47.57%.


Kog'Maw
the Mouth of the Abyss
Senna wins against Kog'Maw 46.44% of the time which is 0.17% higher against Kog'Maw than the average opponent.
After normalising both champions win rates Senna wins against Kog'Maw 0.64% less often than would be expected.
The average opponent winrate against Kog'Maw is 46.27%.


Aurelion Sol
The Star Forger
Senna wins against Aurelion Sol 46.91% of the time which is 0.26% higher against Aurelion Sol than the average opponent.
After normalising both champions win rates Senna wins against Aurelion Sol 0.55% less often than would be expected.
The average opponent winrate against Aurelion Sol is 46.65%.


Vel'Koz
the Eye of the Void
Senna wins against Vel'Koz 47.18% of the time which is 0.60% lower against Vel'Koz than the average opponent.
After normalising both champions win rates Senna wins against Vel'Koz 1.41% less often than would be expected.
The average opponent winrate against Vel'Koz is 47.78%.


Viktor
the Herald of the Arcane
Senna wins against Viktor 47.53% of the time which is 0.32% lower against Viktor than the average opponent.
After normalising both champions win rates Senna wins against Viktor 1.13% less often than would be expected.
The average opponent winrate against Viktor is 47.85%.


Ziggs
the Hexplosives Expert
Senna wins against Ziggs 47.57% of the time which is 1.53% lower against Ziggs than the average opponent.
After normalising both champions win rates Senna wins against Ziggs 2.34% less often than would be expected.
The average opponent winrate against Ziggs is 49.10%.


Hwei
the Visionary
Senna wins against Hwei 48.04% of the time which is 0.96% higher against Hwei than the average opponent.
After normalising both champions win rates Senna wins against Hwei 0.15% more often than would be expected.
The average opponent winrate against Hwei is 47.08%.


Lucian
the Purifier
Senna wins against Lucian 48.18% of the time which is 0.32% higher against Lucian than the average opponent.
After normalising both champions win rates Senna wins against Lucian 0.49% less often than would be expected.
The average opponent winrate against Lucian is 47.86%.


Jinx
the Loose Cannon
Senna wins against Jinx 48.53% of the time which is 1.38% higher against Jinx than the average opponent.
After normalising both champions win rates Senna wins against Jinx 0.57% more often than would be expected.
The average opponent winrate against Jinx is 47.15%.


Nilah
the Joy Unbound
Senna wins against Nilah 48.69% of the time which is 2.75% higher against Nilah than the average opponent.
After normalising both champions win rates Senna wins against Nilah 1.94% more often than would be expected.
The average opponent winrate against Nilah is 45.94%.


Xerath
the Magus Ascendant
Senna wins against Xerath 48.72% of the time which is 0.54% higher against Xerath than the average opponent.
After normalising both champions win rates Senna wins against Xerath 0.27% less often than would be expected.
The average opponent winrate against Xerath is 48.18%.


Ashe
the Frost Archer
Senna wins against Ashe 48.97% of the time which is 0.19% higher against Ashe than the average opponent.
After normalising both champions win rates Senna wins against Ashe 0.62% less often than would be expected.
The average opponent winrate against Ashe is 48.78%.


Varus
the Arrow of Retribution
Senna wins against Varus 49.07% of the time which is 1.50% lower against Varus than the average opponent.
After normalising both champions win rates Senna wins against Varus 2.31% less often than would be expected.
The average opponent winrate against Varus is 50.57%.


Jhin
the Virtuoso
Senna wins against Jhin 49.07% of the time which is 0.18% lower against Jhin than the average opponent.
After normalising both champions win rates Senna wins against Jhin 0.99% less often than would be expected.
The average opponent winrate against Jhin is 49.25%.


Samira
the Desert Rose
Senna wins against Samira 49.10% of the time which is 0.09% higher against Samira than the average opponent.
After normalising both champions win rates Senna wins against Samira 0.72% less often than would be expected.
The average opponent winrate against Samira is 49.01%.


Lux
the Lady of Luminosity
Senna wins against Lux 49.24% of the time which is 1.76% higher against Lux than the average opponent.
After normalising both champions win rates Senna wins against Lux 0.95% more often than would be expected.
The average opponent winrate against Lux is 47.48%.


Caitlyn
the Sheriff of Piltover
Senna wins against Caitlyn 49.35% of the time which is 0.20% lower against Caitlyn than the average opponent.
After normalising both champions win rates Senna wins against Caitlyn 1.01% less often than would be expected.
The average opponent winrate against Caitlyn is 49.55%.


Aphelios
the Weapon of the Faithful
Senna wins against Aphelios 49.69% of the time which is 0.12% lower against Aphelios than the average opponent.
After normalising both champions win rates Senna wins against Aphelios 0.93% less often than would be expected.
The average opponent winrate against Aphelios is 49.81%.


Corki
the Daring Bombardier
Senna wins against Corki 49.90% of the time which is 0.10% higher against Corki than the average opponent.
After normalising both champions win rates Senna wins against Corki 0.71% less often than would be expected.
The average opponent winrate against Corki is 49.80%.


Miss Fortune
the Bounty Hunter
Senna wins against Miss Fortune 49.91% of the time which is 1.99% higher against Miss Fortune than the average opponent.
After normalising both champions win rates Senna wins against Miss Fortune 1.18% more often than would be expected.
The average opponent winrate against Miss Fortune is 47.92%.


Seraphine
the Starry-Eyed Songstress
Senna wins against Seraphine 50.00% of the time which is 1.76% higher against Seraphine than the average opponent.
After normalising both champions win rates Senna wins against Seraphine 0.95% more often than would be expected.
The average opponent winrate against Seraphine is 48.24%.


Vayne
the Night Hunter
Senna wins against Vayne 50.04% of the time which is 2.73% higher against Vayne than the average opponent.
After normalising both champions win rates Senna wins against Vayne 1.92% more often than would be expected.
The average opponent winrate against Vayne is 47.31%.


Zeri
The Spark of Zaun
Senna wins against Zeri 50.07% of the time which is 0.67% higher against Zeri than the average opponent.
After normalising both champions win rates Senna wins against Zeri 0.14% less often than would be expected.
The average opponent winrate against Zeri is 49.40%.


Yasuo
the Unforgiven
Senna wins against Yasuo 50.21% of the time which is 3.55% higher against Yasuo than the average opponent.
After normalising both champions win rates Senna wins against Yasuo 2.74% more often than would be expected.
The average opponent winrate against Yasuo is 46.66%.


Sivir
the Battle Mistress
Senna wins against Sivir 50.25% of the time which is 2.29% higher against Sivir than the average opponent.
After normalising both champions win rates Senna wins against Sivir 1.48% more often than would be expected.
The average opponent winrate against Sivir is 47.96%.


Swain
the Noxian Grand General
Senna wins against Swain 50.36% of the time which is 3.30% higher against Swain than the average opponent.
After normalising both champions win rates Senna wins against Swain 2.49% more often than would be expected.
The average opponent winrate against Swain is 47.06%.


Veigar
the Tiny Master of Evil
Senna wins against Veigar 50.62% of the time which is 3.64% higher against Veigar than the average opponent.
After normalising both champions win rates Senna wins against Veigar 2.83% more often than would be expected.
The average opponent winrate against Veigar is 46.98%.


Smolder
the Fiery Fledgling
Senna wins against Smolder 50.95% of the time which is 2.29% higher against Smolder than the average opponent.
After normalising both champions win rates Senna wins against Smolder 1.48% more often than would be expected.
The average opponent winrate against Smolder is 48.66%.


Mel
the Soul's Reflection
Senna wins against Mel 51.08% of the time which is 1.38% higher against Mel than the average opponent.
After normalising both champions win rates Senna wins against Mel 0.57% more often than would be expected.
The average opponent winrate against Mel is 49.70%.


Kai'Sa
Daughter of the Void
Senna wins against Kai'Sa 51.23% of the time which is 1.34% higher against Kai'Sa than the average opponent.
After normalising both champions win rates Senna wins against Kai'Sa 0.53% more often than would be expected.
The average opponent winrate against Kai'Sa is 49.89%.


Cassiopeia
the Serpent's Embrace
Senna wins against Cassiopeia 51.30% of the time which is 3.33% higher against Cassiopeia than the average opponent.
After normalising both champions win rates Senna wins against Cassiopeia 2.52% more often than would be expected.
The average opponent winrate against Cassiopeia is 47.97%.


Draven
the Glorious Executioner
Senna wins against Draven 52.06% of the time which is 2.06% higher against Draven than the average opponent.
After normalising both champions win rates Senna wins against Draven 1.25% more often than would be expected.
The average opponent winrate against Draven is 50.00%.


Ezreal
the Prodigal Explorer
Senna wins against Ezreal 52.54% of the time which is 1.11% higher against Ezreal than the average opponent.
After normalising both champions win rates Senna wins against Ezreal 0.30% more often than would be expected.
The average opponent winrate against Ezreal is 51.43%.


Xayah
the Rebel
Senna wins against Xayah 52.96% of the time which is 4.26% higher against Xayah than the average opponent.
After normalising both champions win rates Senna wins against Xayah 3.45% more often than would be expected.
The average opponent winrate against Xayah is 48.70%.


Kalista
the Spear of Vengeance
Senna wins against Kalista 53.01% of the time which is 0.76% higher against Kalista than the average opponent.
After normalising both champions win rates Senna wins against Kalista 0.05% less often than would be expected.
The average opponent winrate against Kalista is 52.25%.


Brand
the Burning Vengeance
Senna wins against Brand 57.05% of the time which is 8.87% higher against Brand than the average opponent.
After normalising both champions win rates Senna wins against Brand 8.06% more often than would be expected.
The average opponent winrate against Brand is 48.18%.