

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: 2,704,457
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 bottom Counters
Senna bottom on Patch 15.17 is the strongest counter to bottom champions of Varus, Aphelios & Vayne. While Senna bottom is countered most by bottom champions of Smolder, Sivir & Ashe. Below is a detailed breakdown of Senna bottom counters against bottom champions with a minimum of 100 games.


Smolder
Tiểu Hỏa Long
Senna wins against Smolder 40.16% of the time which is 10.81% lower against Smolder than the average opponent.
After normalising both champions win rates Senna wins against Smolder 7.43% less often than would be expected.
The average opponent winrate against Smolder is 50.97%.


Sivir
Nữ Chúa Chiến Trường
Senna wins against Sivir 44.44% of the time which is 6.70% lower against Sivir than the average opponent.
After normalising both champions win rates Senna wins against Sivir 3.32% less often than would be expected.
The average opponent winrate against Sivir is 51.14%.


Ashe
Cung Băng
Senna wins against Ashe 45.61% of the time which is 6.65% lower against Ashe than the average opponent.
After normalising both champions win rates Senna wins against Ashe 3.27% less often than would be expected.
The average opponent winrate against Ashe is 52.26%.


Yunara
Bất Phá Tín Niệm
Senna wins against Yunara 46.26% of the time which is 6.19% lower against Yunara than the average opponent.
After normalising both champions win rates Senna wins against Yunara 2.81% less often than would be expected.
The average opponent winrate against Yunara is 52.45%.


Miss Fortune
Thợ Săn Tiền Thưởng
Senna wins against Miss Fortune 46.99% of the time which is 3.55% lower against Miss Fortune than the average opponent.
After normalising both champions win rates Senna wins against Miss Fortune 0.17% less often than would be expected.
The average opponent winrate against Miss Fortune is 50.54%.


Jinx
Khẩu Pháo Nổi Loạn
Senna wins against Jinx 47.52% of the time which is 4.75% lower against Jinx than the average opponent.
After normalising both champions win rates Senna wins against Jinx 1.37% less often than would be expected.
The average opponent winrate against Jinx is 52.27%.


Tristana
Tay Súng Yordle
Senna wins against Tristana 48.28% of the time which is 5.50% lower against Tristana than the average opponent.
After normalising both champions win rates Senna wins against Tristana 2.12% less often than would be expected.
The average opponent winrate against Tristana is 53.78%.


Kai'Sa
Ái Nữ Hư Không
Senna wins against Kai'Sa 48.56% of the time which is 3.48% lower against Kai'Sa than the average opponent.
After normalising both champions win rates Senna wins against Kai'Sa 0.10% less often than would be expected.
The average opponent winrate against Kai'Sa is 52.04%.


Caitlyn
Cảnh Sát Trưởng Piltover
Senna wins against Caitlyn 50.65% of the time which is 2.33% lower against Caitlyn than the average opponent.
After normalising both champions win rates Senna wins against Caitlyn 1.05% more often than would be expected.
The average opponent winrate against Caitlyn is 52.98%.


Jhin
Nghệ Sĩ Tử Thần
Senna wins against Jhin 50.69% of the time which is 1.59% lower against Jhin than the average opponent.
After normalising both champions win rates Senna wins against Jhin 1.79% more often than would be expected.
The average opponent winrate against Jhin is 52.28%.


Samira
Hoa Hồng Sa Mạc
Senna wins against Samira 51.02% of the time which is 1.16% lower against Samira than the average opponent.
After normalising both champions win rates Senna wins against Samira 2.22% more often than would be expected.
The average opponent winrate against Samira is 52.18%.


Lucian
Kẻ Thanh Trừng
Senna wins against Lucian 51.15% of the time which is 3.71% lower against Lucian than the average opponent.
After normalising both champions win rates Senna wins against Lucian 0.34% less often than would be expected.
The average opponent winrate against Lucian is 54.86%.


Ezreal
Nhà Thám Hiểm
Senna wins against Ezreal 51.43% of the time which is 3.79% lower against Ezreal than the average opponent.
After normalising both champions win rates Senna wins against Ezreal 0.42% less often than would be expected.
The average opponent winrate against Ezreal is 55.22%.


Vayne
Thợ Săn Bóng Đêm
Senna wins against Vayne 53.29% of the time which is 0.97% higher against Vayne than the average opponent.
After normalising both champions win rates Senna wins against Vayne 4.35% more often than would be expected.
The average opponent winrate against Vayne is 52.32%.


Aphelios
Song Nguyệt Chiến Binh
Senna wins against Aphelios 54.00% of the time which is 2.99% higher against Aphelios than the average opponent.
After normalising both champions win rates Senna wins against Aphelios 6.37% more often than would be expected.
The average opponent winrate against Aphelios is 51.01%.


Varus
Mũi Tên Báo Thù
Senna wins against Varus 54.61% of the time which is 0.80% lower against Varus than the average opponent.
After normalising both champions win rates Senna wins against Varus 2.57% more often than would be expected.
The average opponent winrate against Varus is 55.41%.