

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: 11,359,898
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 middle Counters
Senna bottom on Patch 15.16 is the strongest counter to middle champions of Jayce, Smolder & Orianna. While Senna bottom is countered most by middle champions of Vel'Koz, Corki & Irelia. Below is a detailed breakdown of Senna bottom counters against middle champions with a minimum of 100 games.


Vel'Koz
Con Mắt Hư Không
Senna wins against Vel'Koz 43.31% of the time which is 3.50% lower against Vel'Koz than the average opponent.
After normalising both champions win rates Senna wins against Vel'Koz 6.14% less often than would be expected.
The average opponent winrate against Vel'Koz is 46.81%.


Corki
Phi Công Quả Cảm
Senna wins against Corki 45.33% of the time which is 6.44% lower against Corki than the average opponent.
After normalising both champions win rates Senna wins against Corki 9.08% less often than would be expected.
The average opponent winrate against Corki is 51.77%.


Irelia
Vũ Kiếm Sư
Senna wins against Irelia 45.53% of the time which is 2.03% lower against Irelia than the average opponent.
After normalising both champions win rates Senna wins against Irelia 4.67% less often than would be expected.
The average opponent winrate against Irelia is 47.56%.


Vex
Pháp Sư Khó Chịu
Senna wins against Vex 45.71% of the time which is 0.62% lower against Vex than the average opponent.
After normalising both champions win rates Senna wins against Vex 3.26% less often than would be expected.
The average opponent winrate against Vex is 46.33%.


Twitch
Chuột Thành Tinh
Senna wins against Twitch 46.61% of the time which is 0.80% lower against Twitch than the average opponent.
After normalising both champions win rates Senna wins against Twitch 3.44% less often than would be expected.
The average opponent winrate against Twitch is 47.41%.


Akali
Sát Thủ Đơn Độc
Senna wins against Akali 46.75% of the time which is 1.46% lower against Akali than the average opponent.
After normalising both champions win rates Senna wins against Akali 4.10% less often than would be expected.
The average opponent winrate against Akali is 48.21%.


LeBlanc
Kẻ Lừa Đảo
Senna wins against LeBlanc 47.71% of the time which is 0.06% lower against LeBlanc than the average opponent.
After normalising both champions win rates Senna wins against LeBlanc 2.70% less often than would be expected.
The average opponent winrate against LeBlanc is 47.77%.


Twisted Fate
Thần Bài
Senna wins against Twisted Fate 47.95% of the time which is 0.15% lower against Twisted Fate than the average opponent.
After normalising both champions win rates Senna wins against Twisted Fate 2.79% less often than would be expected.
The average opponent winrate against Twisted Fate is 48.10%.


Aurora
Phù Thủy Giữa Hai Thế Giới
Senna wins against Aurora 48.24% of the time which is 1.31% lower against Aurora than the average opponent.
After normalising both champions win rates Senna wins against Aurora 3.95% less often than would be expected.
The average opponent winrate against Aurora is 49.55%.


Akshan
Vệ Binh Ranh Mãnh
Senna wins against Akshan 48.25% of the time which is 0.68% higher against Akshan than the average opponent.
After normalising both champions win rates Senna wins against Akshan 1.96% less often than would be expected.
The average opponent winrate against Akshan is 47.57%.


Swain
Nguyên Soái Noxus
Senna wins against Swain 48.28% of the time which is 0.96% higher against Swain than the average opponent.
After normalising both champions win rates Senna wins against Swain 1.68% less often than would be expected.
The average opponent winrate against Swain is 47.32%.


Hwei
Họa Sĩ Vạn Cảnh
Senna wins against Hwei 48.42% of the time which is 0.02% higher against Hwei than the average opponent.
After normalising both champions win rates Senna wins against Hwei 2.62% less often than would be expected.
The average opponent winrate against Hwei is 48.40%.


Talon
Sát Thủ Bóng Đêm
Senna wins against Talon 48.69% of the time which is 2.07% higher against Talon than the average opponent.
After normalising both champions win rates Senna wins against Talon 0.57% less often than would be expected.
The average opponent winrate against Talon is 46.62%.


Vladimir
Thần Chết Đỏ
Senna wins against Vladimir 48.88% of the time which is 1.02% higher against Vladimir than the average opponent.
After normalising both champions win rates Senna wins against Vladimir 1.62% less often than would be expected.
The average opponent winrate against Vladimir is 47.86%.


Qiyana
Nữ Hoàng Nguyên Tố
Senna wins against Qiyana 48.96% of the time which is 2.14% higher against Qiyana than the average opponent.
After normalising both champions win rates Senna wins against Qiyana 0.50% less often than would be expected.
The average opponent winrate against Qiyana is 46.82%.


Kayle
Thiên Thần Phán Quyết
Senna wins against Kayle 49.37% of the time which is 2.59% higher against Kayle than the average opponent.
After normalising both champions win rates Senna wins against Kayle 0.05% less often than would be expected.
The average opponent winrate against Kayle is 46.78%.


Annie
Đứa Trẻ Bóng Tối
Senna wins against Annie 49.57% of the time which is 2.19% higher against Annie than the average opponent.
After normalising both champions win rates Senna wins against Annie 0.45% less often than would be expected.
The average opponent winrate against Annie is 47.38%.


Diana
Vầng Trăng Ai Oán
Senna wins against Diana 49.69% of the time which is 2.83% higher against Diana than the average opponent.
After normalising both champions win rates Senna wins against Diana 0.19% more often than would be expected.
The average opponent winrate against Diana is 46.86%.


Anivia
Phượng Hoàng Băng
Senna wins against Anivia 50.00% of the time which is 3.01% higher against Anivia than the average opponent.
After normalising both champions win rates Senna wins against Anivia 0.37% more often than would be expected.
The average opponent winrate against Anivia is 46.99%.


Katarina
Ác Kiếm
Senna wins against Katarina 50.00% of the time which is 1.92% higher against Katarina than the average opponent.
After normalising both champions win rates Senna wins against Katarina 0.72% less often than would be expected.
The average opponent winrate against Katarina is 48.08%.


Xerath
Pháp Sư Thăng Hoa
Senna wins against Xerath 50.11% of the time which is 3.12% higher against Xerath than the average opponent.
After normalising both champions win rates Senna wins against Xerath 0.48% more often than would be expected.
The average opponent winrate against Xerath is 46.99%.


Sylas
Kẻ Phá Xiềng
Senna wins against Sylas 50.24% of the time which is 0.95% higher against Sylas than the average opponent.
After normalising both champions win rates Senna wins against Sylas 1.69% less often than would be expected.
The average opponent winrate against Sylas is 49.29%.


Cassiopeia
Xà Nữ
Senna wins against Cassiopeia 50.29% of the time which is 2.23% higher against Cassiopeia than the average opponent.
After normalising both champions win rates Senna wins against Cassiopeia 0.41% less often than would be expected.
The average opponent winrate against Cassiopeia is 48.06%.


Aurelion Sol
Ác Long Thượng Giới
Senna wins against Aurelion Sol 50.41% of the time which is 2.10% higher against Aurelion Sol than the average opponent.
After normalising both champions win rates Senna wins against Aurelion Sol 0.54% less often than would be expected.
The average opponent winrate against Aurelion Sol is 48.31%.


Lissandra
Mụ Phù Thủy Băng
Senna wins against Lissandra 50.56% of the time which is 2.84% higher against Lissandra than the average opponent.
After normalising both champions win rates Senna wins against Lissandra 0.20% more often than would be expected.
The average opponent winrate against Lissandra is 47.72%.


Viego
Hắc Diệt Đế Vương
Senna wins against Viego 50.75% of the time which is 0.59% lower against Viego than the average opponent.
After normalising both champions win rates Senna wins against Viego 3.23% less often than would be expected.
The average opponent winrate against Viego is 51.34%.


Lux
Tiểu Thư Ánh Sáng
Senna wins against Lux 50.97% of the time which is 3.66% higher against Lux than the average opponent.
After normalising both champions win rates Senna wins against Lux 1.02% more often than would be expected.
The average opponent winrate against Lux is 47.31%.


Ahri
Hồ Ly Chín Đuôi
Senna wins against Ahri 51.05% of the time which is 1.97% higher against Ahri than the average opponent.
After normalising both champions win rates Senna wins against Ahri 0.67% less often than would be expected.
The average opponent winrate against Ahri is 49.08%.


Fizz
Chú Cá Tinh Nghịch
Senna wins against Fizz 51.21% of the time which is 4.51% higher against Fizz than the average opponent.
After normalising both champions win rates Senna wins against Fizz 1.87% more often than would be expected.
The average opponent winrate against Fizz is 46.70%.


Ziggs
Chuyên Gia Chất Nổ
Senna wins against Ziggs 51.23% of the time which is 2.27% higher against Ziggs than the average opponent.
After normalising both champions win rates Senna wins against Ziggs 0.37% less often than would be expected.
The average opponent winrate against Ziggs is 48.96%.


Malzahar
Tiên Tri Hư Không
Senna wins against Malzahar 51.27% of the time which is 3.52% higher against Malzahar than the average opponent.
After normalising both champions win rates Senna wins against Malzahar 0.88% more often than would be expected.
The average opponent winrate against Malzahar is 47.75%.


Malphite
Mảnh Vỡ Thiên Thạch
Senna wins against Malphite 51.43% of the time which is 4.82% higher against Malphite than the average opponent.
After normalising both champions win rates Senna wins against Malphite 2.18% more often than would be expected.
The average opponent winrate against Malphite is 46.61%.


Zoe
Bậc Thầy Biến Ảo
Senna wins against Zoe 51.46% of the time which is 3.92% higher against Zoe than the average opponent.
After normalising both champions win rates Senna wins against Zoe 1.28% more often than would be expected.
The average opponent winrate against Zoe is 47.54%.


Sion
Chiến Binh Bất Tử
Senna wins against Sion 51.49% of the time which is 5.23% higher against Sion than the average opponent.
After normalising both champions win rates Senna wins against Sion 2.59% more often than would be expected.
The average opponent winrate against Sion is 46.26%.


Yasuo
Kẻ Bất Dung Thứ
Senna wins against Yasuo 51.68% of the time which is 2.84% higher against Yasuo than the average opponent.
After normalising both champions win rates Senna wins against Yasuo 0.20% more often than would be expected.
The average opponent winrate against Yasuo is 48.84%.


Naafiri
Chó Săn Khát Máu
Senna wins against Naafiri 51.75% of the time which is 5.94% higher against Naafiri than the average opponent.
After normalising both champions win rates Senna wins against Naafiri 3.31% more often than would be expected.
The average opponent winrate against Naafiri is 45.81%.


Azir
Hoàng Đế Sa Mạc
Senna wins against Azir 51.93% of the time which is 1.63% higher against Azir than the average opponent.
After normalising both champions win rates Senna wins against Azir 1.01% less often than would be expected.
The average opponent winrate against Azir is 50.30%.


Ekko
Cậu Bé Đảo Lộn Thời Gian
Senna wins against Ekko 52.51% of the time which is 4.69% higher against Ekko than the average opponent.
After normalising both champions win rates Senna wins against Ekko 2.05% more often than would be expected.
The average opponent winrate against Ekko is 47.82%.


Viktor
Sứ Giả Của Arcane
Senna wins against Viktor 52.58% of the time which is 3.29% higher against Viktor than the average opponent.
After normalising both champions win rates Senna wins against Viktor 0.65% more often than would be expected.
The average opponent winrate against Viktor is 49.29%.


Galio
Vệ Thần Khổng Lồ
Senna wins against Galio 53.21% of the time which is 5.84% higher against Galio than the average opponent.
After normalising both champions win rates Senna wins against Galio 3.20% more often than would be expected.
The average opponent winrate against Galio is 47.37%.


Kassadin
Lữ Khách Hư Không
Senna wins against Kassadin 53.39% of the time which is 4.87% higher against Kassadin than the average opponent.
After normalising both champions win rates Senna wins against Kassadin 2.23% more often than would be expected.
The average opponent winrate against Kassadin is 48.52%.


Yone
Kẻ Về Từ Cõi Chết
Senna wins against Yone 53.67% of the time which is 2.04% higher against Yone than the average opponent.
After normalising both champions win rates Senna wins against Yone 0.60% less often than would be expected.
The average opponent winrate against Yone is 51.63%.


Veigar
Bậc Thầy Tiểu Quỷ
Senna wins against Veigar 53.69% of the time which is 5.67% higher against Veigar than the average opponent.
After normalising both champions win rates Senna wins against Veigar 3.03% more often than would be expected.
The average opponent winrate against Veigar is 48.02%.


Zed
Chúa Tể Bóng Tối
Senna wins against Zed 53.71% of the time which is 4.91% higher against Zed than the average opponent.
After normalising both champions win rates Senna wins against Zed 2.27% more often than would be expected.
The average opponent winrate against Zed is 48.80%.


Syndra
Nữ Chúa Bóng Tối
Senna wins against Syndra 54.25% of the time which is 6.05% higher against Syndra than the average opponent.
After normalising both champions win rates Senna wins against Syndra 3.41% more often than would be expected.
The average opponent winrate against Syndra is 48.20%.


Ryze
Pháp Sư Cổ Ngữ
Senna wins against Ryze 54.42% of the time which is 5.33% higher against Ryze than the average opponent.
After normalising both champions win rates Senna wins against Ryze 2.69% more often than would be expected.
The average opponent winrate against Ryze is 49.09%.


Taliyah
Phù Thủy Đá
Senna wins against Taliyah 54.43% of the time which is 5.58% higher against Taliyah than the average opponent.
After normalising both champions win rates Senna wins against Taliyah 2.94% more often than would be expected.
The average opponent winrate against Taliyah is 48.85%.


Mel
Ảnh Chiếu Của Tâm Hồn
Senna wins against Mel 55.16% of the time which is 3.72% higher against Mel than the average opponent.
After normalising both champions win rates Senna wins against Mel 1.08% more often than would be expected.
The average opponent winrate against Mel is 51.44%.


Orianna
Quý Cô Dây Cót
Senna wins against Orianna 55.53% of the time which is 6.18% higher against Orianna than the average opponent.
After normalising both champions win rates Senna wins against Orianna 3.54% more often than would be expected.
The average opponent winrate against Orianna is 49.35%.


Smolder
Tiểu Hỏa Long
Senna wins against Smolder 56.42% of the time which is 4.28% higher against Smolder than the average opponent.
After normalising both champions win rates Senna wins against Smolder 1.64% more often than would be expected.
The average opponent winrate against Smolder is 52.14%.


Jayce
Người Bảo Hộ Mai Sau
Senna wins against Jayce 61.34% of the time which is 12.72% higher against Jayce than the average opponent.
After normalising both champions win rates Senna wins against Jayce 10.08% more often than would be expected.
The average opponent winrate against Jayce is 48.62%.