

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: 1,927,274
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 15.6 is the strongest counter to middle champions of Xerath, Zed & Syndra. While Senna support is countered most by middle champions of Vex, Ekko & Fizz. Below is a detailed breakdown of Senna support counters against middle champions with a minimum of 100 games.


Vex
the Gloomist
Senna wins against Vex 38.60% of the time which is 14.37% lower against Vex than the average opponent.
After normalising both champions win rates Senna wins against Vex 7.85% less often than would be expected.
The average opponent winrate against Vex is 52.97%.


Ekko
the Boy Who Shattered Time
Senna wins against Ekko 41.36% of the time which is 10.26% lower against Ekko than the average opponent.
After normalising both champions win rates Senna wins against Ekko 3.74% less often than would be expected.
The average opponent winrate against Ekko is 51.62%.


Fizz
the Tidal Trickster
Senna wins against Fizz 41.58% of the time which is 10.21% lower against Fizz than the average opponent.
After normalising both champions win rates Senna wins against Fizz 3.68% less often than would be expected.
The average opponent winrate against Fizz is 51.79%.


Viktor
the Herald of the Arcane
Senna wins against Viktor 42.04% of the time which is 10.79% lower against Viktor than the average opponent.
After normalising both champions win rates Senna wins against Viktor 4.27% less often than would be expected.
The average opponent winrate against Viktor is 52.83%.


Malzahar
the Prophet of the Void
Senna wins against Malzahar 42.06% of the time which is 7.44% lower against Malzahar than the average opponent.
After normalising both champions win rates Senna wins against Malzahar 0.92% less often than would be expected.
The average opponent winrate against Malzahar is 49.50%.


Aurelion Sol
The Star Forger
Senna wins against Aurelion Sol 42.40% of the time which is 8.31% lower against Aurelion Sol than the average opponent.
After normalising both champions win rates Senna wins against Aurelion Sol 1.79% less often than would be expected.
The average opponent winrate against Aurelion Sol is 50.71%.


Orianna
the Lady of Clockwork
Senna wins against Orianna 42.45% of the time which is 10.46% lower against Orianna than the average opponent.
After normalising both champions win rates Senna wins against Orianna 3.94% less often than would be expected.
The average opponent winrate against Orianna is 52.91%.


Irelia
the Blade Dancer
Senna wins against Irelia 43.86% of the time which is 8.00% lower against Irelia than the average opponent.
After normalising both champions win rates Senna wins against Irelia 1.47% less often than would be expected.
The average opponent winrate against Irelia is 51.86%.


Naafiri
the Hound of a Hundred Bites
Senna wins against Naafiri 44.21% of the time which is 6.67% lower against Naafiri than the average opponent.
After normalising both champions win rates Senna wins against Naafiri 0.15% less often than would be expected.
The average opponent winrate against Naafiri is 50.88%.


Veigar
the Tiny Master of Evil
Senna wins against Veigar 44.30% of the time which is 5.36% lower against Veigar than the average opponent.
After normalising both champions win rates Senna wins against Veigar 1.16% more often than would be expected.
The average opponent winrate against Veigar is 49.66%.


Akali
the Rogue Assassin
Senna wins against Akali 44.72% of the time which is 9.32% lower against Akali than the average opponent.
After normalising both champions win rates Senna wins against Akali 2.80% less often than would be expected.
The average opponent winrate against Akali is 54.04%.


Lux
the Lady of Luminosity
Senna wins against Lux 44.85% of the time which is 5.79% lower against Lux than the average opponent.
After normalising both champions win rates Senna wins against Lux 0.73% more often than would be expected.
The average opponent winrate against Lux is 50.64%.


Aurora
the Witch Between Worlds
Senna wins against Aurora 45.00% of the time which is 10.12% lower against Aurora than the average opponent.
After normalising both champions win rates Senna wins against Aurora 3.61% less often than would be expected.
The average opponent winrate against Aurora is 55.12%.


Mel
the Soul's Reflection
Senna wins against Mel 45.82% of the time which is 7.59% lower against Mel than the average opponent.
After normalising both champions win rates Senna wins against Mel 1.07% less often than would be expected.
The average opponent winrate against Mel is 53.41%.


Katarina
the Sinister Blade
Senna wins against Katarina 46.67% of the time which is 8.49% lower against Katarina than the average opponent.
After normalising both champions win rates Senna wins against Katarina 1.98% less often than would be expected.
The average opponent winrate against Katarina is 55.16%.


Sylas
the Unshackled
Senna wins against Sylas 46.83% of the time which is 7.62% lower against Sylas than the average opponent.
After normalising both champions win rates Senna wins against Sylas 1.10% less often than would be expected.
The average opponent winrate against Sylas is 54.45%.


Diana
Scorn of the Moon
Senna wins against Diana 47.00% of the time which is 5.18% lower against Diana than the average opponent.
After normalising both champions win rates Senna wins against Diana 1.34% more often than would be expected.
The average opponent winrate against Diana is 52.18%.


Yasuo
the Unforgiven
Senna wins against Yasuo 47.36% of the time which is 3.99% lower against Yasuo than the average opponent.
After normalising both champions win rates Senna wins against Yasuo 2.53% more often than would be expected.
The average opponent winrate against Yasuo is 51.35%.


Ahri
the Nine-Tailed Fox
Senna wins against Ahri 47.48% of the time which is 5.07% lower against Ahri than the average opponent.
After normalising both champions win rates Senna wins against Ahri 1.45% more often than would be expected.
The average opponent winrate against Ahri is 52.55%.


LeBlanc
the Deceiver
Senna wins against LeBlanc 47.53% of the time which is 7.47% lower against LeBlanc than the average opponent.
After normalising both champions win rates Senna wins against LeBlanc 0.96% less often than would be expected.
The average opponent winrate against LeBlanc is 55.00%.


Galio
the Colossus
Senna wins against Galio 49.75% of the time which is 1.21% lower against Galio than the average opponent.
After normalising both champions win rates Senna wins against Galio 5.31% more often than would be expected.
The average opponent winrate against Galio is 50.96%.


Hwei
the Visionary
Senna wins against Hwei 50.00% of the time which is 5.78% lower against Hwei than the average opponent.
After normalising both champions win rates Senna wins against Hwei 0.72% more often than would be expected.
The average opponent winrate against Hwei is 55.78%.


Yone
the Unforgotten
Senna wins against Yone 50.19% of the time which is 3.52% lower against Yone than the average opponent.
After normalising both champions win rates Senna wins against Yone 3.00% more often than would be expected.
The average opponent winrate against Yone is 53.71%.


Syndra
the Dark Sovereign
Senna wins against Syndra 52.34% of the time which is 1.24% lower against Syndra than the average opponent.
After normalising both champions win rates Senna wins against Syndra 5.28% more often than would be expected.
The average opponent winrate against Syndra is 53.58%.


Zed
the Master of Shadows
Senna wins against Zed 52.82% of the time which is 1.92% lower against Zed than the average opponent.
After normalising both champions win rates Senna wins against Zed 4.59% more often than would be expected.
The average opponent winrate against Zed is 54.74%.


Xerath
the Magus Ascendant
Senna wins against Xerath 54.72% of the time which is 1.74% higher against Xerath than the average opponent.
After normalising both champions win rates Senna wins against Xerath 8.26% more often than would be expected.
The average opponent winrate against Xerath is 52.98%.