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.
Grandmaster Champions Analysed: 527,708
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 support Counters
Senna support on Patch 30 is the strongest counter to support champions of Rakan, Sona & Blitzcrank. While Senna support is countered most by support champions of Thresh, Karma & Lulu. Below is a detailed breakdown of Senna support counters against support champions with a minimum of 100 games.
Thresh
o Guardião das Correntes
Senna wins against Thresh 46.60% of the time which is 1.23% higher against Thresh than the average opponent.
After normalising both champions win rates Senna wins against Thresh 7.41% less often than would be expected.
The average opponent winrate against Threshis 45.37%.
Karma
a Iluminada
Senna wins against Karma 51.85% of the time which is 4.23% higher against Karma than the average opponent.
After normalising both champions win rates Senna wins against Karma 4.42% less often than would be expected.
The average opponent winrate against Karmais 47.62%.
Lulu
a Fada Feiticeira
Senna wins against Lulu 52.16% of the time which is 7.02% higher against Lulu than the average opponent.
After normalising both champions win rates Senna wins against Lulu 1.62% less often than would be expected.
The average opponent winrate against Luluis 45.14%.
Pyke
o Estripador das Águas Sangrentas
Senna wins against Pyke 52.48% of the time which is 6.10% higher against Pyke than the average opponent.
After normalising both champions win rates Senna wins against Pyke 2.55% less often than would be expected.
The average opponent winrate against Pykeis 46.38%.
Janna
a Fúria da Tormenta
Senna wins against Janna 52.56% of the time which is 7.62% higher against Janna than the average opponent.
After normalising both champions win rates Senna wins against Janna 1.02% less often than would be expected.
The average opponent winrate against Jannais 44.94%.
Rell
a Dama de Ferro
Senna wins against Rell 52.66% of the time which is 8.42% higher against Rell than the average opponent.
After normalising both champions win rates Senna wins against Rell 0.21% less often than would be expected.
The average opponent winrate against Rellis 44.24%.
Nautilus
o Titã das Profundezas
Senna wins against Nautilus 54.13% of the time which is 5.75% higher against Nautilus than the average opponent.
After normalising both champions win rates Senna wins against Nautilus 2.90% less often than would be expected.
The average opponent winrate against Nautilusis 48.38%.
Bardo
o Protetor Andarilho
Senna wins against Bardo 54.48% of the time which is 8.44% higher against Bardo than the average opponent.
After normalising both champions win rates Senna wins against Bardo 0.21% less often than would be expected.
The average opponent winrate against Bardois 46.04%.
Nami
a Conjuradora das Marés
Senna wins against Nami 55.19% of the time which is 8.28% higher against Nami than the average opponent.
After normalising both champions win rates Senna wins against Nami 0.37% less often than would be expected.
The average opponent winrate against Namiis 46.91%.
Blitzcrank
o Grande Golem a Vapor
Senna wins against Blitzcrank 55.56% of the time which is 9.43% higher against Blitzcrank than the average opponent.
After normalising both champions win rates Senna wins against Blitzcrank 0.78% more often than would be expected.
The average opponent winrate against Blitzcrankis 46.13%.
Sona
a Mestra das Cordas
Senna wins against Sona 56.19% of the time which is 10.45% higher against Sona than the average opponent.
After normalising both champions win rates Senna wins against Sona 1.80% more often than would be expected.
The average opponent winrate against Sonais 45.74%.
Rakan
O Charmoso
Senna wins against Rakan 66.99% of the time which is 19.46% higher against Rakan than the average opponent.
After normalising both champions win rates Senna wins against Rakan 10.81% more often than would be expected.
The average opponent winrate against Rakanis 47.53%.