

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.
Diamond Champions Analysed: 4,107,012
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 top Counters
Senna support on Patch 15.9 is the strongest counter to top champions of Volibear, Akali & Heimerdinger. While Senna support is countered most by top champions of Quinn, Olaf & Singed. Below is a detailed breakdown of Senna support counters against top champions with a minimum of 100 games.


Quinn
Demacia's Wings
Senna wins against Quinn 37.36% of the time which is 7.65% lower against Quinn than the average opponent.
After normalising both champions win rates Senna wins against Quinn 8.65% less often than would be expected.
The average opponent winrate against Quinn is 45.01%.


Olaf
the Berserker
Senna wins against Olaf 44.77% of the time which is 2.22% lower against Olaf than the average opponent.
After normalising both champions win rates Senna wins against Olaf 3.22% less often than would be expected.
The average opponent winrate against Olaf is 46.99%.


Singed
the Mad Chemist
Senna wins against Singed 45.24% of the time which is 1.95% lower against Singed than the average opponent.
After normalising both champions win rates Senna wins against Singed 2.95% less often than would be expected.
The average opponent winrate against Singed is 47.19%.


Gragas
the Rabble Rouser
Senna wins against Gragas 45.28% of the time which is 4.21% lower against Gragas than the average opponent.
After normalising both champions win rates Senna wins against Gragas 5.21% less often than would be expected.
The average opponent winrate against Gragas is 49.49%.


Urgot
the Dreadnought
Senna wins against Urgot 45.39% of the time which is 2.50% lower against Urgot than the average opponent.
After normalising both champions win rates Senna wins against Urgot 3.50% less often than would be expected.
The average opponent winrate against Urgot is 47.89%.


Warwick
the Uncaged Wrath of Zaun
Senna wins against Warwick 45.89% of the time which is 0.17% lower against Warwick than the average opponent.
After normalising both champions win rates Senna wins against Warwick 1.17% less often than would be expected.
The average opponent winrate against Warwick is 46.06%.


Riven
the Exile
Senna wins against Riven 46.43% of the time which is 1.08% lower against Riven than the average opponent.
After normalising both champions win rates Senna wins against Riven 2.08% less often than would be expected.
The average opponent winrate against Riven is 47.51%.


Nasus
the Curator of the Sands
Senna wins against Nasus 46.52% of the time which is 2.18% lower against Nasus than the average opponent.
After normalising both champions win rates Senna wins against Nasus 3.18% less often than would be expected.
The average opponent winrate against Nasus is 48.70%.


Gwen
The Hallowed Seamstress
Senna wins against Gwen 47.29% of the time which is 2.09% lower against Gwen than the average opponent.
After normalising both champions win rates Senna wins against Gwen 3.09% less often than would be expected.
The average opponent winrate against Gwen is 49.38%.


Shen
the Eye of Twilight
Senna wins against Shen 47.72% of the time which is 1.05% higher against Shen than the average opponent.
After normalising both champions win rates Senna wins against Shen 0.05% more often than would be expected.
The average opponent winrate against Shen is 46.67%.


Garen
The Might of Demacia
Senna wins against Garen 47.76% of the time which is 1.48% lower against Garen than the average opponent.
After normalising both champions win rates Senna wins against Garen 2.48% less often than would be expected.
The average opponent winrate against Garen is 49.24%.


Yone
the Unforgotten
Senna wins against Yone 47.81% of the time which is 3.57% lower against Yone than the average opponent.
After normalising both champions win rates Senna wins against Yone 4.57% less often than would be expected.
The average opponent winrate against Yone is 51.38%.


Gangplank
the Saltwater Scourge
Senna wins against Gangplank 47.97% of the time which is 0.74% lower against Gangplank than the average opponent.
After normalising both champions win rates Senna wins against Gangplank 1.74% less often than would be expected.
The average opponent winrate against Gangplank is 48.71%.


Ornn
The Fire below the Mountain
Senna wins against Ornn 48.31% of the time which is 1.06% lower against Ornn than the average opponent.
After normalising both champions win rates Senna wins against Ornn 2.06% less often than would be expected.
The average opponent winrate against Ornn is 49.37%.


Teemo
the Swift Scout
Senna wins against Teemo 48.58% of the time which is 0.83% higher against Teemo than the average opponent.
After normalising both champions win rates Senna wins against Teemo 0.17% less often than would be expected.
The average opponent winrate against Teemo is 47.75%.


Sett
the Boss
Senna wins against Sett 48.65% of the time which is 1.20% higher against Sett than the average opponent.
After normalising both champions win rates Senna wins against Sett 0.20% more often than would be expected.
The average opponent winrate against Sett is 47.45%.


Jayce
the Defender of Tomorrow
Senna wins against Jayce 49.10% of the time which is 1.82% lower against Jayce than the average opponent.
After normalising both champions win rates Senna wins against Jayce 2.82% less often than would be expected.
The average opponent winrate against Jayce is 50.92%.


Kayle
the Righteous
Senna wins against Kayle 49.12% of the time which is 0.76% higher against Kayle than the average opponent.
After normalising both champions win rates Senna wins against Kayle 0.24% less often than would be expected.
The average opponent winrate against Kayle is 48.36%.


Fiora
the Grand Duelist
Senna wins against Fiora 49.44% of the time which is 1.34% higher against Fiora than the average opponent.
After normalising both champions win rates Senna wins against Fiora 0.34% more often than would be expected.
The average opponent winrate against Fiora is 48.10%.


Aatrox
the Darkin Blade
Senna wins against Aatrox 49.47% of the time which is 0.29% lower against Aatrox than the average opponent.
After normalising both champions win rates Senna wins against Aatrox 1.29% less often than would be expected.
The average opponent winrate against Aatrox is 49.76%.


Irelia
the Blade Dancer
Senna wins against Irelia 49.78% of the time which is 0.35% higher against Irelia than the average opponent.
After normalising both champions win rates Senna wins against Irelia 0.65% less often than would be expected.
The average opponent winrate against Irelia is 49.43%.


Sion
The Undead Juggernaut
Senna wins against Sion 49.89% of the time which is 0.27% lower against Sion than the average opponent.
After normalising both champions win rates Senna wins against Sion 1.27% less often than would be expected.
The average opponent winrate against Sion is 50.16%.


Kennen
the Heart of the Tempest
Senna wins against Kennen 50.20% of the time which is 1.07% higher against Kennen than the average opponent.
After normalising both champions win rates Senna wins against Kennen 0.07% more often than would be expected.
The average opponent winrate against Kennen is 49.13%.


Illaoi
the Kraken Priestess
Senna wins against Illaoi 50.34% of the time which is 1.18% higher against Illaoi than the average opponent.
After normalising both champions win rates Senna wins against Illaoi 0.18% more often than would be expected.
The average opponent winrate against Illaoi is 49.16%.


Jax
Grandmaster at Arms
Senna wins against Jax 50.44% of the time which is 0.20% higher against Jax than the average opponent.
After normalising both champions win rates Senna wins against Jax 0.80% less often than would be expected.
The average opponent winrate against Jax is 50.24%.


Pantheon
the Unbreakable Spear
Senna wins against Pantheon 50.67% of the time which is 2.11% higher against Pantheon than the average opponent.
After normalising both champions win rates Senna wins against Pantheon 1.11% more often than would be expected.
The average opponent winrate against Pantheon is 48.56%.


Malphite
Shard of the Monolith
Senna wins against Malphite 50.74% of the time which is 2.52% higher against Malphite than the average opponent.
After normalising both champions win rates Senna wins against Malphite 1.52% more often than would be expected.
The average opponent winrate against Malphite is 48.22%.


Darius
the Hand of Noxus
Senna wins against Darius 51.01% of the time which is 2.00% higher against Darius than the average opponent.
After normalising both champions win rates Senna wins against Darius 1.00% more often than would be expected.
The average opponent winrate against Darius is 49.01%.


Cho'Gath
the Terror of the Void
Senna wins against Cho'Gath 51.11% of the time which is 2.06% higher against Cho'Gath than the average opponent.
After normalising both champions win rates Senna wins against Cho'Gath 1.06% more often than would be expected.
The average opponent winrate against Cho'Gath is 49.05%.


Ambessa
Matriarch of War
Senna wins against Ambessa 51.57% of the time which is 1.49% higher against Ambessa than the average opponent.
After normalising both champions win rates Senna wins against Ambessa 0.49% more often than would be expected.
The average opponent winrate against Ambessa is 50.08%.


K'Sante
the Pride of Nazumah
Senna wins against K'Sante 51.59% of the time which is 0.71% higher against K'Sante than the average opponent.
After normalising both champions win rates Senna wins against K'Sante 0.29% less often than would be expected.
The average opponent winrate against K'Sante is 50.88%.


Camille
the Steel Shadow
Senna wins against Camille 51.75% of the time which is 3.53% higher against Camille than the average opponent.
After normalising both champions win rates Senna wins against Camille 2.53% more often than would be expected.
The average opponent winrate against Camille is 48.22%.


Renekton
the Butcher of the Sands
Senna wins against Renekton 52.19% of the time which is 2.70% higher against Renekton than the average opponent.
After normalising both champions win rates Senna wins against Renekton 1.70% more often than would be expected.
The average opponent winrate against Renekton is 49.49%.


Yasuo
the Unforgiven
Senna wins against Yasuo 52.46% of the time which is 1.71% higher against Yasuo than the average opponent.
After normalising both champions win rates Senna wins against Yasuo 0.71% more often than would be expected.
The average opponent winrate against Yasuo is 50.75%.


Vladimir
the Crimson Reaper
Senna wins against Vladimir 52.85% of the time which is 3.21% higher against Vladimir than the average opponent.
After normalising both champions win rates Senna wins against Vladimir 2.21% more often than would be expected.
The average opponent winrate against Vladimir is 49.64%.


Yorick
Shepherd of Souls
Senna wins against Yorick 52.96% of the time which is 4.43% higher against Yorick than the average opponent.
After normalising both champions win rates Senna wins against Yorick 3.43% more often than would be expected.
The average opponent winrate against Yorick is 48.53%.


Poppy
Keeper of the Hammer
Senna wins against Poppy 53.33% of the time which is 5.58% higher against Poppy than the average opponent.
After normalising both champions win rates Senna wins against Poppy 4.58% more often than would be expected.
The average opponent winrate against Poppy is 47.75%.


Kled
the Cantankerous Cavalier
Senna wins against Kled 53.54% of the time which is 5.12% higher against Kled than the average opponent.
After normalising both champions win rates Senna wins against Kled 4.12% more often than would be expected.
The average opponent winrate against Kled is 48.42%.


Gnar
the Missing Link
Senna wins against Gnar 53.54% of the time which is 3.17% higher against Gnar than the average opponent.
After normalising both champions win rates Senna wins against Gnar 2.17% more often than would be expected.
The average opponent winrate against Gnar is 50.37%.


Tryndamere
the Barbarian King
Senna wins against Tryndamere 53.78% of the time which is 5.67% higher against Tryndamere than the average opponent.
After normalising both champions win rates Senna wins against Tryndamere 4.67% more often than would be expected.
The average opponent winrate against Tryndamere is 48.11%.


Ryze
the Rune Mage
Senna wins against Ryze 53.85% of the time which is 5.50% higher against Ryze than the average opponent.
After normalising both champions win rates Senna wins against Ryze 4.50% more often than would be expected.
The average opponent winrate against Ryze is 48.35%.


Mordekaiser
the Iron Revenant
Senna wins against Mordekaiser 54.02% of the time which is 4.67% higher against Mordekaiser than the average opponent.
After normalising both champions win rates Senna wins against Mordekaiser 3.67% more often than would be expected.
The average opponent winrate against Mordekaiser is 49.35%.


Rumble
the Mechanized Menace
Senna wins against Rumble 54.76% of the time which is 4.09% higher against Rumble than the average opponent.
After normalising both champions win rates Senna wins against Rumble 3.09% more often than would be expected.
The average opponent winrate against Rumble is 50.67%.


Dr. Mundo
the Madman of Zaun
Senna wins against Dr. Mundo 54.90% of the time which is 5.17% higher against Dr. Mundo than the average opponent.
After normalising both champions win rates Senna wins against Dr. Mundo 4.17% more often than would be expected.
The average opponent winrate against Dr. Mundo is 49.73%.


Trundle
the Troll King
Senna wins against Trundle 55.30% of the time which is 5.72% higher against Trundle than the average opponent.
After normalising both champions win rates Senna wins against Trundle 4.72% more often than would be expected.
The average opponent winrate against Trundle is 49.58%.


Heimerdinger
the Revered Inventor
Senna wins against Heimerdinger 56.00% of the time which is 7.33% higher against Heimerdinger than the average opponent.
After normalising both champions win rates Senna wins against Heimerdinger 6.33% more often than would be expected.
The average opponent winrate against Heimerdinger is 48.67%.


Akali
the Rogue Assassin
Senna wins against Akali 56.17% of the time which is 6.99% higher against Akali than the average opponent.
After normalising both champions win rates Senna wins against Akali 5.99% more often than would be expected.
The average opponent winrate against Akali is 49.18%.


Volibear
the Relentless Storm
Senna wins against Volibear 56.55% of the time which is 6.34% higher against Volibear than the average opponent.
After normalising both champions win rates Senna wins against Volibear 5.34% more often than would be expected.
The average opponent winrate against Volibear is 50.21%.