

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.
Emerald+ Champions Analysed: 33,039,863
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 bottom Counters
Senna support on Patch 30 is the strongest counter to bottom champions of Brand, Xayah & Ezreal. While Senna support is countered most by bottom champions of Heimerdinger, Zyra & Syndra. Below is a detailed breakdown of Senna support counters against bottom champions with a minimum of 100 games.


Heimerdinger
Nhà Phát Minh Lỗi Lạc
Senna wins against Heimerdinger 39.67% of the time which is 4.59% lower against Heimerdinger than the average opponent.
After normalising both champions win rates Senna wins against Heimerdinger 5.41% less often than would be expected.
The average opponent winrate against Heimerdinger is 44.26%.


Zyra
Gai Nổi Loạn
Senna wins against Zyra 40.16% of the time which is 6.63% lower against Zyra than the average opponent.
After normalising both champions win rates Senna wins against Zyra 7.45% less often than would be expected.
The average opponent winrate against Zyra is 46.79%.


Syndra
Nữ Chúa Bóng Tối
Senna wins against Syndra 43.31% of the time which is 5.03% lower against Syndra than the average opponent.
After normalising both champions win rates Senna wins against Syndra 5.85% less often than would be expected.
The average opponent winrate against Syndra is 48.34%.


Karthus
Tiếng Ru Tử Thần
Senna wins against Karthus 45.40% of the time which is 0.36% lower against Karthus than the average opponent.
After normalising both champions win rates Senna wins against Karthus 1.18% less often than would be expected.
The average opponent winrate against Karthus is 45.76%.


Tristana
Tay Súng Yordle
Senna wins against Tristana 46.32% of the time which is 1.36% lower against Tristana than the average opponent.
After normalising both champions win rates Senna wins against Tristana 2.18% less often than would be expected.
The average opponent winrate against Tristana is 47.68%.


Twitch
Chuột Thành Tinh
Senna wins against Twitch 46.64% of the time which is 0.89% lower against Twitch than the average opponent.
After normalising both champions win rates Senna wins against Twitch 1.71% less often than would be expected.
The average opponent winrate against Twitch is 47.53%.


Kog'Maw
Miệng Của Vực Thẳm
Senna wins against Kog'Maw 46.84% of the time which is 0.60% higher against Kog'Maw than the average opponent.
After normalising both champions win rates Senna wins against Kog'Maw 0.22% less often than would be expected.
The average opponent winrate against Kog'Maw is 46.24%.


Ziggs
Chuyên Gia Chất Nổ
Senna wins against Ziggs 46.86% of the time which is 2.33% lower against Ziggs than the average opponent.
After normalising both champions win rates Senna wins against Ziggs 3.15% less often than would be expected.
The average opponent winrate against Ziggs is 49.19%.


Vel'Koz
Con Mắt Hư Không
Senna wins against Vel'Koz 47.26% of the time which is 0.45% lower against Vel'Koz than the average opponent.
After normalising both champions win rates Senna wins against Vel'Koz 1.27% less often than would be expected.
The average opponent winrate against Vel'Koz is 47.71%.


Viktor
Sứ Giả Của Arcane
Senna wins against Viktor 47.35% of the time which is 0.14% lower against Viktor than the average opponent.
After normalising both champions win rates Senna wins against Viktor 0.96% less often than would be expected.
The average opponent winrate against Viktor is 47.49%.


Xerath
Pháp Sư Thăng Hoa
Senna wins against Xerath 47.40% of the time which is 0.81% lower against Xerath than the average opponent.
After normalising both champions win rates Senna wins against Xerath 1.63% less often than would be expected.
The average opponent winrate against Xerath is 48.21%.


Aurelion Sol
Ác Long Thượng Giới
Senna wins against Aurelion Sol 47.69% of the time which is 1.04% higher against Aurelion Sol than the average opponent.
After normalising both champions win rates Senna wins against Aurelion Sol 0.22% more often than would be expected.
The average opponent winrate against Aurelion Sol is 46.65%.


Hwei
Họa Sĩ Vạn Cảnh
Senna wins against Hwei 47.92% of the time which is 1.09% higher against Hwei than the average opponent.
After normalising both champions win rates Senna wins against Hwei 0.27% more often than would be expected.
The average opponent winrate against Hwei is 46.83%.


Nilah
Hiện Thân của Niềm Vui
Senna wins against Nilah 47.92% of the time which is 2.00% higher against Nilah than the average opponent.
After normalising both champions win rates Senna wins against Nilah 1.18% more often than would be expected.
The average opponent winrate against Nilah is 45.92%.


Lucian
Kẻ Thanh Trừng
Senna wins against Lucian 48.19% of the time which is 0.32% higher against Lucian than the average opponent.
After normalising both champions win rates Senna wins against Lucian 0.50% less often than would be expected.
The average opponent winrate against Lucian is 47.87%.


Jinx
Khẩu Pháo Nổi Loạn
Senna wins against Jinx 48.65% of the time which is 1.54% higher against Jinx than the average opponent.
After normalising both champions win rates Senna wins against Jinx 0.72% more often than would be expected.
The average opponent winrate against Jinx is 47.11%.


Samira
Hoa Hồng Sa Mạc
Senna wins against Samira 48.96% of the time which is 0.03% lower against Samira than the average opponent.
After normalising both champions win rates Senna wins against Samira 0.85% less often than would be expected.
The average opponent winrate against Samira is 48.99%.


Ashe
Cung Băng
Senna wins against Ashe 48.97% of the time which is 0.19% higher against Ashe than the average opponent.
After normalising both champions win rates Senna wins against Ashe 0.63% less often than would be expected.
The average opponent winrate against Ashe is 48.78%.


Varus
Mũi Tên Báo Thù
Senna wins against Varus 49.02% of the time which is 1.54% lower against Varus than the average opponent.
After normalising both champions win rates Senna wins against Varus 2.36% less often than would be expected.
The average opponent winrate against Varus is 50.56%.


Jhin
Nghệ Sĩ Tử Thần
Senna wins against Jhin 49.10% of the time which is 0.15% lower against Jhin than the average opponent.
After normalising both champions win rates Senna wins against Jhin 0.97% less often than would be expected.
The average opponent winrate against Jhin is 49.25%.


Caitlyn
Cảnh Sát Trưởng Piltover
Senna wins against Caitlyn 49.40% of the time which is 0.13% lower against Caitlyn than the average opponent.
After normalising both champions win rates Senna wins against Caitlyn 0.95% less often than would be expected.
The average opponent winrate against Caitlyn is 49.53%.


Lux
Tiểu Thư Ánh Sáng
Senna wins against Lux 49.49% of the time which is 2.10% higher against Lux than the average opponent.
After normalising both champions win rates Senna wins against Lux 1.28% more often than would be expected.
The average opponent winrate against Lux is 47.39%.


Aphelios
Song Nguyệt Chiến Binh
Senna wins against Aphelios 49.55% of the time which is 0.21% lower against Aphelios than the average opponent.
After normalising both champions win rates Senna wins against Aphelios 1.03% less often than would be expected.
The average opponent winrate against Aphelios is 49.76%.


Zeri
Tia Chớp Thành Zaun
Senna wins against Zeri 49.83% of the time which is 0.41% higher against Zeri than the average opponent.
After normalising both champions win rates Senna wins against Zeri 0.41% less often than would be expected.
The average opponent winrate against Zeri is 49.42%.


Miss Fortune
Thợ Săn Tiền Thưởng
Senna wins against Miss Fortune 49.84% of the time which is 1.90% higher against Miss Fortune than the average opponent.
After normalising both champions win rates Senna wins against Miss Fortune 1.08% more often than would be expected.
The average opponent winrate against Miss Fortune is 47.94%.


Vayne
Thợ Săn Bóng Đêm
Senna wins against Vayne 50.00% of the time which is 2.71% higher against Vayne than the average opponent.
After normalising both champions win rates Senna wins against Vayne 1.89% more often than would be expected.
The average opponent winrate against Vayne is 47.29%.


Corki
Phi Công Quả Cảm
Senna wins against Corki 50.05% of the time which is 0.28% higher against Corki than the average opponent.
After normalising both champions win rates Senna wins against Corki 0.54% less often than would be expected.
The average opponent winrate against Corki is 49.77%.


Sivir
Nữ Chúa Chiến Trường
Senna wins against Sivir 50.10% of the time which is 2.21% higher against Sivir than the average opponent.
After normalising both champions win rates Senna wins against Sivir 1.39% more often than would be expected.
The average opponent winrate against Sivir is 47.89%.


Yasuo
Kẻ Bất Dung Thứ
Senna wins against Yasuo 50.42% of the time which is 3.72% higher against Yasuo than the average opponent.
After normalising both champions win rates Senna wins against Yasuo 2.90% more often than would be expected.
The average opponent winrate against Yasuo is 46.70%.


Veigar
Bậc Thầy Tiểu Quỷ
Senna wins against Veigar 50.51% of the time which is 3.37% higher against Veigar than the average opponent.
After normalising both champions win rates Senna wins against Veigar 2.55% more often than would be expected.
The average opponent winrate against Veigar is 47.14%.


Swain
Nguyên Soái Noxus
Senna wins against Swain 50.58% of the time which is 3.52% higher against Swain than the average opponent.
After normalising both champions win rates Senna wins against Swain 2.70% more often than would be expected.
The average opponent winrate against Swain is 47.06%.


Smolder
Tiểu Hỏa Long
Senna wins against Smolder 50.95% of the time which is 2.37% higher against Smolder than the average opponent.
After normalising both champions win rates Senna wins against Smolder 1.55% more often than would be expected.
The average opponent winrate against Smolder is 48.58%.


Kai'Sa
Ái Nữ Hư Không
Senna wins against Kai'Sa 51.05% of the time which is 1.16% higher against Kai'Sa than the average opponent.
After normalising both champions win rates Senna wins against Kai'Sa 0.34% more often than would be expected.
The average opponent winrate against Kai'Sa is 49.89%.


Seraphine
Ca Sĩ Mộng Mơ
Senna wins against Seraphine 51.11% of the time which is 2.84% higher against Seraphine than the average opponent.
After normalising both champions win rates Senna wins against Seraphine 2.02% more often than would be expected.
The average opponent winrate against Seraphine is 48.27%.


Mel
Ảnh Chiếu Của Tâm Hồn
Senna wins against Mel 51.32% of the time which is 1.61% higher against Mel than the average opponent.
After normalising both champions win rates Senna wins against Mel 0.79% more often than would be expected.
The average opponent winrate against Mel is 49.71%.


Cassiopeia
Xà Nữ
Senna wins against Cassiopeia 51.61% of the time which is 3.90% higher against Cassiopeia than the average opponent.
After normalising both champions win rates Senna wins against Cassiopeia 3.08% more often than would be expected.
The average opponent winrate against Cassiopeia is 47.71%.


Draven
Đao Phủ Kiêu Hùng
Senna wins against Draven 51.92% of the time which is 1.94% higher against Draven than the average opponent.
After normalising both champions win rates Senna wins against Draven 1.12% more often than would be expected.
The average opponent winrate against Draven is 49.98%.


Kalista
Mũi Giáo Phục Hận
Senna wins against Kalista 52.33% of the time which is 0.01% higher against Kalista than the average opponent.
After normalising both champions win rates Senna wins against Kalista 0.81% less often than would be expected.
The average opponent winrate against Kalista is 52.32%.


Ezreal
Nhà Thám Hiểm
Senna wins against Ezreal 52.47% of the time which is 1.06% higher against Ezreal than the average opponent.
After normalising both champions win rates Senna wins against Ezreal 0.24% more often than would be expected.
The average opponent winrate against Ezreal is 51.41%.


Xayah
Cô Nàng Nổi Loạn
Senna wins against Xayah 52.76% of the time which is 4.09% higher against Xayah than the average opponent.
After normalising both champions win rates Senna wins against Xayah 3.27% more often than would be expected.
The average opponent winrate against Xayah is 48.67%.


Brand
Thần Lửa
Senna wins against Brand 56.91% of the time which is 8.68% higher against Brand than the average opponent.
After normalising both champions win rates Senna wins against Brand 7.86% more often than would be expected.
The average opponent winrate against Brand is 48.23%.