

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: 4,282,015
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 15.14 is the strongest counter to middle champions of Smolder, Corki & Ryze. While Senna bottom is countered most by middle champions of Aurelion Sol, Vex & Ekko. Below is a detailed breakdown of Senna bottom counters against middle champions with a minimum of 100 games.


Aurelion Sol
Ác Long Thượng Giới
Senna wins against Aurelion Sol 41.36% of the time which is 9.02% lower against Aurelion Sol than the average opponent.
After normalising both champions win rates Senna wins against Aurelion Sol 8.73% less often than would be expected.
The average opponent winrate against Aurelion Sol is 50.38%.


Vex
Pháp Sư Khó Chịu
Senna wins against Vex 42.47% of the time which is 5.52% lower against Vex than the average opponent.
After normalising both champions win rates Senna wins against Vex 5.23% less often than would be expected.
The average opponent winrate against Vex is 47.99%.


Ekko
Cậu Bé Đảo Lộn Thời Gian
Senna wins against Ekko 43.16% of the time which is 6.03% lower against Ekko than the average opponent.
After normalising both champions win rates Senna wins against Ekko 5.74% less often than would be expected.
The average opponent winrate against Ekko is 49.19%.


Ziggs
Chuyên Gia Chất Nổ
Senna wins against Ziggs 44.44% of the time which is 6.33% lower against Ziggs than the average opponent.
After normalising both champions win rates Senna wins against Ziggs 6.04% less often than would be expected.
The average opponent winrate against Ziggs is 50.77%.


Orianna
Quý Cô Dây Cót
Senna wins against Orianna 45.64% of the time which is 5.17% lower against Orianna than the average opponent.
After normalising both champions win rates Senna wins against Orianna 4.88% less often than would be expected.
The average opponent winrate against Orianna is 50.81%.


Anivia
Phượng Hoàng Băng
Senna wins against Anivia 45.83% of the time which is 2.23% lower against Anivia than the average opponent.
After normalising both champions win rates Senna wins against Anivia 1.94% less often than would be expected.
The average opponent winrate against Anivia is 48.06%.


Lissandra
Mụ Phù Thủy Băng
Senna wins against Lissandra 46.07% of the time which is 2.17% lower against Lissandra than the average opponent.
After normalising both champions win rates Senna wins against Lissandra 1.88% less often than would be expected.
The average opponent winrate against Lissandra is 48.24%.


Lux
Tiểu Thư Ánh Sáng
Senna wins against Lux 46.88% of the time which is 3.06% lower against Lux than the average opponent.
After normalising both champions win rates Senna wins against Lux 2.77% less often than would be expected.
The average opponent winrate against Lux is 49.94%.


Kassadin
Lữ Khách Hư Không
Senna wins against Kassadin 46.97% of the time which is 3.00% lower against Kassadin than the average opponent.
After normalising both champions win rates Senna wins against Kassadin 2.71% less often than would be expected.
The average opponent winrate against Kassadin is 49.97%.


Syndra
Nữ Chúa Bóng Tối
Senna wins against Syndra 47.38% of the time which is 2.75% lower against Syndra than the average opponent.
After normalising both champions win rates Senna wins against Syndra 2.46% less often than would be expected.
The average opponent winrate against Syndra is 50.13%.


Vel'Koz
Con Mắt Hư Không
Senna wins against Vel'Koz 47.71% of the time which is 1.99% lower against Vel'Koz than the average opponent.
After normalising both champions win rates Senna wins against Vel'Koz 1.70% less often than would be expected.
The average opponent winrate against Vel'Koz is 49.70%.


Hwei
Họa Sĩ Vạn Cảnh
Senna wins against Hwei 48.07% of the time which is 1.48% lower against Hwei than the average opponent.
After normalising both champions win rates Senna wins against Hwei 1.19% less often than would be expected.
The average opponent winrate against Hwei is 49.55%.


Diana
Vầng Trăng Ai Oán
Senna wins against Diana 48.21% of the time which is 0.71% lower against Diana than the average opponent.
After normalising both champions win rates Senna wins against Diana 0.42% less often than would be expected.
The average opponent winrate against Diana is 48.92%.


Xerath
Pháp Sư Thăng Hoa
Senna wins against Xerath 48.35% of the time which is 1.85% lower against Xerath than the average opponent.
After normalising both champions win rates Senna wins against Xerath 1.56% less often than would be expected.
The average opponent winrate against Xerath is 50.20%.


Malzahar
Tiên Tri Hư Không
Senna wins against Malzahar 48.56% of the time which is 1.39% lower against Malzahar than the average opponent.
After normalising both champions win rates Senna wins against Malzahar 1.10% less often than would be expected.
The average opponent winrate against Malzahar is 49.95%.


Viktor
Sứ Giả Của Arcane
Senna wins against Viktor 48.61% of the time which is 3.57% lower against Viktor than the average opponent.
After normalising both champions win rates Senna wins against Viktor 3.28% less often than would be expected.
The average opponent winrate against Viktor is 52.18%.


Ahri
Hồ Ly Chín Đuôi
Senna wins against Ahri 48.65% of the time which is 1.89% lower against Ahri than the average opponent.
After normalising both champions win rates Senna wins against Ahri 1.60% less often than would be expected.
The average opponent winrate against Ahri is 50.54%.


Aurora
Phù Thủy Giữa Hai Thế Giới
Senna wins against Aurora 48.85% of the time which is 1.59% lower against Aurora than the average opponent.
After normalising both champions win rates Senna wins against Aurora 1.30% less often than would be expected.
The average opponent winrate against Aurora is 50.44%.


Talon
Sát Thủ Bóng Đêm
Senna wins against Talon 48.91% of the time which is 0.12% lower against Talon than the average opponent.
After normalising both champions win rates Senna wins against Talon 0.17% more often than would be expected.
The average opponent winrate against Talon is 49.03%.


LeBlanc
Kẻ Lừa Đảo
Senna wins against LeBlanc 49.08% of the time which is 0.26% lower against LeBlanc than the average opponent.
After normalising both champions win rates Senna wins against LeBlanc 0.03% more often than would be expected.
The average opponent winrate against LeBlanc is 49.34%.


Zed
Chúa Tể Bóng Tối
Senna wins against Zed 49.12% of the time which is 1.26% lower against Zed than the average opponent.
After normalising both champions win rates Senna wins against Zed 0.97% less often than would be expected.
The average opponent winrate against Zed is 50.38%.


Vladimir
Thần Chết Đỏ
Senna wins against Vladimir 49.50% of the time which is 0.44% lower against Vladimir than the average opponent.
After normalising both champions win rates Senna wins against Vladimir 0.15% less often than would be expected.
The average opponent winrate against Vladimir is 49.94%.


Annie
Đứa Trẻ Bóng Tối
Senna wins against Annie 49.65% of the time which is 0.70% higher against Annie than the average opponent.
After normalising both champions win rates Senna wins against Annie 0.99% more often than would be expected.
The average opponent winrate against Annie is 48.95%.


Twisted Fate
Thần Bài
Senna wins against Twisted Fate 49.84% of the time which is 0.30% higher against Twisted Fate than the average opponent.
After normalising both champions win rates Senna wins against Twisted Fate 0.59% more often than would be expected.
The average opponent winrate against Twisted Fate is 49.54%.


Cassiopeia
Xà Nữ
Senna wins against Cassiopeia 50.00% of the time which is 0.75% higher against Cassiopeia than the average opponent.
After normalising both champions win rates Senna wins against Cassiopeia 1.04% more often than would be expected.
The average opponent winrate against Cassiopeia is 49.25%.


Katarina
Ác Kiếm
Senna wins against Katarina 50.47% of the time which is 1.00% higher against Katarina than the average opponent.
After normalising both champions win rates Senna wins against Katarina 1.29% more often than would be expected.
The average opponent winrate against Katarina is 49.47%.


Akali
Sát Thủ Đơn Độc
Senna wins against Akali 50.57% of the time which is 0.87% higher against Akali than the average opponent.
After normalising both champions win rates Senna wins against Akali 1.16% more often than would be expected.
The average opponent winrate against Akali is 49.70%.


Irelia
Vũ Kiếm Sư
Senna wins against Irelia 50.66% of the time which is 0.49% higher against Irelia than the average opponent.
After normalising both champions win rates Senna wins against Irelia 0.78% more often than would be expected.
The average opponent winrate against Irelia is 50.17%.


Kayle
Thiên Thần Phán Quyết
Senna wins against Kayle 50.81% of the time which is 2.66% higher against Kayle than the average opponent.
After normalising both champions win rates Senna wins against Kayle 2.95% more often than would be expected.
The average opponent winrate against Kayle is 48.15%.


Zoe
Bậc Thầy Biến Ảo
Senna wins against Zoe 51.98% of the time which is 3.86% higher against Zoe than the average opponent.
After normalising both champions win rates Senna wins against Zoe 4.15% more often than would be expected.
The average opponent winrate against Zoe is 48.12%.


Sylas
Kẻ Phá Xiềng
Senna wins against Sylas 52.00% of the time which is 1.51% higher against Sylas than the average opponent.
After normalising both champions win rates Senna wins against Sylas 1.80% more often than would be expected.
The average opponent winrate against Sylas is 50.49%.


Akshan
Vệ Binh Ranh Mãnh
Senna wins against Akshan 52.11% of the time which is 3.49% higher against Akshan than the average opponent.
After normalising both champions win rates Senna wins against Akshan 3.78% more often than would be expected.
The average opponent winrate against Akshan is 48.62%.


Qiyana
Nữ Hoàng Nguyên Tố
Senna wins against Qiyana 52.17% of the time which is 4.53% higher against Qiyana than the average opponent.
After normalising both champions win rates Senna wins against Qiyana 4.82% more often than would be expected.
The average opponent winrate against Qiyana is 47.64%.


Taliyah
Phù Thủy Đá
Senna wins against Taliyah 52.29% of the time which is 2.87% higher against Taliyah than the average opponent.
After normalising both champions win rates Senna wins against Taliyah 3.16% more often than would be expected.
The average opponent winrate against Taliyah is 49.42%.


Fizz
Chú Cá Tinh Nghịch
Senna wins against Fizz 52.83% of the time which is 3.51% higher against Fizz than the average opponent.
After normalising both champions win rates Senna wins against Fizz 3.80% more often than would be expected.
The average opponent winrate against Fizz is 49.32%.


Mel
Ảnh Chiếu Của Tâm Hồn
Senna wins against Mel 52.91% of the time which is 0.09% lower against Mel than the average opponent.
After normalising both champions win rates Senna wins against Mel 0.20% more often than would be expected.
The average opponent winrate against Mel is 53.00%.


Yasuo
Kẻ Bất Dung Thứ
Senna wins against Yasuo 53.07% of the time which is 1.86% higher against Yasuo than the average opponent.
After normalising both champions win rates Senna wins against Yasuo 2.15% more often than would be expected.
The average opponent winrate against Yasuo is 51.21%.


Azir
Hoàng Đế Sa Mạc
Senna wins against Azir 53.28% of the time which is 1.80% higher against Azir than the average opponent.
After normalising both champions win rates Senna wins against Azir 2.09% more often than would be expected.
The average opponent winrate against Azir is 51.48%.


Yone
Kẻ Về Từ Cõi Chết
Senna wins against Yone 53.30% of the time which is 0.19% lower against Yone than the average opponent.
After normalising both champions win rates Senna wins against Yone 0.10% more often than would be expected.
The average opponent winrate against Yone is 53.49%.


Veigar
Bậc Thầy Tiểu Quỷ
Senna wins against Veigar 53.30% of the time which is 3.50% higher against Veigar than the average opponent.
After normalising both champions win rates Senna wins against Veigar 3.79% more often than would be expected.
The average opponent winrate against Veigar is 49.80%.


Galio
Vệ Thần Khổng Lồ
Senna wins against Galio 53.33% of the time which is 4.16% higher against Galio than the average opponent.
After normalising both champions win rates Senna wins against Galio 4.45% more often than would be expected.
The average opponent winrate against Galio is 49.17%.


Ryze
Pháp Sư Cổ Ngữ
Senna wins against Ryze 54.36% of the time which is 3.54% higher against Ryze than the average opponent.
After normalising both champions win rates Senna wins against Ryze 3.83% more often than would be expected.
The average opponent winrate against Ryze is 50.82%.


Corki
Phi Công Quả Cảm
Senna wins against Corki 55.86% of the time which is 0.80% higher against Corki than the average opponent.
After normalising both champions win rates Senna wins against Corki 1.09% more often than would be expected.
The average opponent winrate against Corki is 55.06%.


Smolder
Tiểu Hỏa Long
Senna wins against Smolder 59.69% of the time which is 4.38% higher against Smolder than the average opponent.
After normalising both champions win rates Senna wins against Smolder 4.67% more often than would be expected.
The average opponent winrate against Smolder is 55.31%.