

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.
Master Champions Analysed: 1,556,544
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 bottom vs top Counters
Senna bottom on Patch 15.12 is the strongest counter to top champions of Garen, Mordekaiser & Dr. Mundo. While Senna bottom is countered most by top champions of Urgot, Jax & Olaf. Below is a detailed breakdown of Senna bottom counters against top champions with a minimum of 100 games.


Urgot
the Dreadnought
Senna wins against Urgot 45.14% of the time which is 1.33% lower against Urgot than the average opponent.
After normalising both champions win rates Senna wins against Urgot 6.62% less often than would be expected.
The average opponent winrate against Urgot is 46.47%.


Jax
Grandmaster at Arms
Senna wins against Jax 47.83% of the time which is 1.63% higher against Jax than the average opponent.
After normalising both champions win rates Senna wins against Jax 3.66% less often than would be expected.
The average opponent winrate against Jax is 46.20%.


Olaf
the Berserker
Senna wins against Olaf 48.08% of the time which is 2.34% higher against Olaf than the average opponent.
After normalising both champions win rates Senna wins against Olaf 2.94% less often than would be expected.
The average opponent winrate against Olaf is 45.74%.


Shen
the Eye of Twilight
Senna wins against Shen 48.99% of the time which is 2.30% higher against Shen than the average opponent.
After normalising both champions win rates Senna wins against Shen 2.99% less often than would be expected.
The average opponent winrate against Shen is 46.69%.


Fiora
the Grand Duelist
Senna wins against Fiora 49.01% of the time which is 1.68% higher against Fiora than the average opponent.
After normalising both champions win rates Senna wins against Fiora 3.61% less often than would be expected.
The average opponent winrate against Fiora is 47.33%.


Sett
the Boss
Senna wins against Sett 50.37% of the time which is 3.96% higher against Sett than the average opponent.
After normalising both champions win rates Senna wins against Sett 1.33% less often than would be expected.
The average opponent winrate against Sett is 46.41%.


Kayle
the Righteous
Senna wins against Kayle 50.65% of the time which is 6.47% higher against Kayle than the average opponent.
After normalising both champions win rates Senna wins against Kayle 1.20% more often than would be expected.
The average opponent winrate against Kayle is 44.18%.


Gragas
the Rabble Rouser
Senna wins against Gragas 50.78% of the time which is 3.34% higher against Gragas than the average opponent.
After normalising both champions win rates Senna wins against Gragas 1.95% less often than would be expected.
The average opponent winrate against Gragas is 47.44%.


Ambessa
Matriarch of War
Senna wins against Ambessa 50.85% of the time which is 1.89% higher against Ambessa than the average opponent.
After normalising both champions win rates Senna wins against Ambessa 3.40% less often than would be expected.
The average opponent winrate against Ambessa is 48.96%.


Ryze
the Rune Mage
Senna wins against Ryze 50.89% of the time which is 1.30% higher against Ryze than the average opponent.
After normalising both champions win rates Senna wins against Ryze 3.99% less often than would be expected.
The average opponent winrate against Ryze is 49.59%.


Akali
the Rogue Assassin
Senna wins against Akali 51.22% of the time which is 2.06% higher against Akali than the average opponent.
After normalising both champions win rates Senna wins against Akali 3.23% less often than would be expected.
The average opponent winrate against Akali is 49.16%.


Renekton
the Butcher of the Sands
Senna wins against Renekton 51.48% of the time which is 3.93% higher against Renekton than the average opponent.
After normalising both champions win rates Senna wins against Renekton 1.36% less often than would be expected.
The average opponent winrate against Renekton is 47.55%.


Yorick
Shepherd of Souls
Senna wins against Yorick 51.76% of the time which is 4.82% higher against Yorick than the average opponent.
After normalising both champions win rates Senna wins against Yorick 0.47% less often than would be expected.
The average opponent winrate against Yorick is 46.94%.


Volibear
the Relentless Storm
Senna wins against Volibear 51.80% of the time which is 1.03% higher against Volibear than the average opponent.
After normalising both champions win rates Senna wins against Volibear 4.26% less often than would be expected.
The average opponent winrate against Volibear is 50.77%.


Gangplank
the Saltwater Scourge
Senna wins against Gangplank 51.82% of the time which is 3.91% higher against Gangplank than the average opponent.
After normalising both champions win rates Senna wins against Gangplank 1.38% less often than would be expected.
The average opponent winrate against Gangplank is 47.91%.


Gwen
The Hallowed Seamstress
Senna wins against Gwen 51.85% of the time which is 4.43% higher against Gwen than the average opponent.
After normalising both champions win rates Senna wins against Gwen 0.86% less often than would be expected.
The average opponent winrate against Gwen is 47.42%.


Malphite
Shard of the Monolith
Senna wins against Malphite 51.92% of the time which is 5.51% higher against Malphite than the average opponent.
After normalising both champions win rates Senna wins against Malphite 0.22% more often than would be expected.
The average opponent winrate against Malphite is 46.41%.


Singed
the Mad Chemist
Senna wins against Singed 51.97% of the time which is 5.42% higher against Singed than the average opponent.
After normalising both champions win rates Senna wins against Singed 0.13% more often than would be expected.
The average opponent winrate against Singed is 46.55%.


Warwick
the Uncaged Wrath of Zaun
Senna wins against Warwick 52.05% of the time which is 6.27% higher against Warwick than the average opponent.
After normalising both champions win rates Senna wins against Warwick 0.99% more often than would be expected.
The average opponent winrate against Warwick is 45.78%.


Vladimir
the Crimson Reaper
Senna wins against Vladimir 52.06% of the time which is 5.12% higher against Vladimir than the average opponent.
After normalising both champions win rates Senna wins against Vladimir 0.17% less often than would be expected.
The average opponent winrate against Vladimir is 46.94%.


K'Sante
the Pride of Nazumah
Senna wins against K'Sante 52.41% of the time which is 2.83% higher against K'Sante than the average opponent.
After normalising both champions win rates Senna wins against K'Sante 2.46% less often than would be expected.
The average opponent winrate against K'Sante is 49.58%.


Rumble
the Mechanized Menace
Senna wins against Rumble 52.45% of the time which is 2.23% higher against Rumble than the average opponent.
After normalising both champions win rates Senna wins against Rumble 3.06% less often than would be expected.
The average opponent winrate against Rumble is 50.22%.


Kennen
the Heart of the Tempest
Senna wins against Kennen 52.63% of the time which is 6.46% higher against Kennen than the average opponent.
After normalising both champions win rates Senna wins against Kennen 1.17% more often than would be expected.
The average opponent winrate against Kennen is 46.17%.


Teemo
the Swift Scout
Senna wins against Teemo 52.63% of the time which is 5.41% higher against Teemo than the average opponent.
After normalising both champions win rates Senna wins against Teemo 0.12% more often than would be expected.
The average opponent winrate against Teemo is 47.22%.


Tryndamere
the Barbarian King
Senna wins against Tryndamere 52.87% of the time which is 7.15% higher against Tryndamere than the average opponent.
After normalising both champions win rates Senna wins against Tryndamere 1.87% more often than would be expected.
The average opponent winrate against Tryndamere is 45.72%.


Yasuo
the Unforgiven
Senna wins against Yasuo 52.98% of the time which is 3.64% higher against Yasuo than the average opponent.
After normalising both champions win rates Senna wins against Yasuo 1.65% less often than would be expected.
The average opponent winrate against Yasuo is 49.34%.


Cho'Gath
the Terror of the Void
Senna wins against Cho'Gath 53.28% of the time which is 5.97% higher against Cho'Gath than the average opponent.
After normalising both champions win rates Senna wins against Cho'Gath 0.68% more often than would be expected.
The average opponent winrate against Cho'Gath is 47.31%.


Darius
the Hand of Noxus
Senna wins against Darius 53.68% of the time which is 6.15% higher against Darius than the average opponent.
After normalising both champions win rates Senna wins against Darius 0.86% more often than would be expected.
The average opponent winrate against Darius is 47.53%.


Irelia
the Blade Dancer
Senna wins against Irelia 53.85% of the time which is 6.74% higher against Irelia than the average opponent.
After normalising both champions win rates Senna wins against Irelia 1.45% more often than would be expected.
The average opponent winrate against Irelia is 47.11%.


Sion
The Undead Juggernaut
Senna wins against Sion 53.89% of the time which is 4.83% higher against Sion than the average opponent.
After normalising both champions win rates Senna wins against Sion 0.46% less often than would be expected.
The average opponent winrate against Sion is 49.06%.


Riven
the Exile
Senna wins against Riven 54.61% of the time which is 9.51% higher against Riven than the average opponent.
After normalising both champions win rates Senna wins against Riven 4.23% more often than would be expected.
The average opponent winrate against Riven is 45.10%.


Pantheon
the Unbreakable Spear
Senna wins against Pantheon 54.62% of the time which is 6.85% higher against Pantheon than the average opponent.
After normalising both champions win rates Senna wins against Pantheon 1.56% more often than would be expected.
The average opponent winrate against Pantheon is 47.77%.


Ornn
The Fire below the Mountain
Senna wins against Ornn 54.63% of the time which is 6.22% higher against Ornn than the average opponent.
After normalising both champions win rates Senna wins against Ornn 0.93% more often than would be expected.
The average opponent winrate against Ornn is 48.41%.


Camille
the Steel Shadow
Senna wins against Camille 54.96% of the time which is 8.31% higher against Camille than the average opponent.
After normalising both champions win rates Senna wins against Camille 3.02% more often than would be expected.
The average opponent winrate against Camille is 46.65%.


Yone
the Unforgotten
Senna wins against Yone 55.71% of the time which is 5.40% higher against Yone than the average opponent.
After normalising both champions win rates Senna wins against Yone 0.11% more often than would be expected.
The average opponent winrate against Yone is 50.31%.


Jayce
the Defender of Tomorrow
Senna wins against Jayce 55.98% of the time which is 6.70% higher against Jayce than the average opponent.
After normalising both champions win rates Senna wins against Jayce 1.41% more often than would be expected.
The average opponent winrate against Jayce is 49.28%.


Nasus
the Curator of the Sands
Senna wins against Nasus 56.36% of the time which is 8.26% higher against Nasus than the average opponent.
After normalising both champions win rates Senna wins against Nasus 2.97% more often than would be expected.
The average opponent winrate against Nasus is 48.10%.


Gnar
the Missing Link
Senna wins against Gnar 56.95% of the time which is 8.29% higher against Gnar than the average opponent.
After normalising both champions win rates Senna wins against Gnar 3.00% more often than would be expected.
The average opponent winrate against Gnar is 48.66%.


Aatrox
the Darkin Blade
Senna wins against Aatrox 57.35% of the time which is 8.73% higher against Aatrox than the average opponent.
After normalising both champions win rates Senna wins against Aatrox 3.44% more often than would be expected.
The average opponent winrate against Aatrox is 48.62%.


Dr. Mundo
the Madman of Zaun
Senna wins against Dr. Mundo 58.57% of the time which is 10.54% higher against Dr. Mundo than the average opponent.
After normalising both champions win rates Senna wins against Dr. Mundo 5.25% more often than would be expected.
The average opponent winrate against Dr. Mundo is 48.03%.


Mordekaiser
the Iron Revenant
Senna wins against Mordekaiser 58.62% of the time which is 10.64% higher against Mordekaiser than the average opponent.
After normalising both champions win rates Senna wins against Mordekaiser 5.35% more often than would be expected.
The average opponent winrate against Mordekaiser is 47.98%.


Garen
The Might of Demacia
Senna wins against Garen 61.38% of the time which is 12.10% higher against Garen than the average opponent.
After normalising both champions win rates Senna wins against Garen 6.81% more often than would be expected.
The average opponent winrate against Garen is 49.28%.