

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: 8,258,080
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 middle Counters
Senna support on Patch 30 is the strongest counter to middle champions of Corki, Mel & Hwei. While Senna support is countered most by middle champions of Swain, Smolder & Diana. Below is a detailed breakdown of Senna support counters against middle champions with a minimum of 100 games.


Swain
Nguyên Soái Noxus
Senna wins against Swain 44.22% of the time which is 3.09% lower against Swain than the average opponent.
After normalising both champions win rates Senna wins against Swain 4.42% less often than would be expected.
The average opponent winrate against Swain is 47.31%.


Smolder
Tiểu Hỏa Long
Senna wins against Smolder 44.90% of the time which is 7.78% lower against Smolder than the average opponent.
After normalising both champions win rates Senna wins against Smolder 9.11% less often than would be expected.
The average opponent winrate against Smolder is 52.68%.


Diana
Vầng Trăng Ai Oán
Senna wins against Diana 44.92% of the time which is 2.21% lower against Diana than the average opponent.
After normalising both champions win rates Senna wins against Diana 3.54% less often than would be expected.
The average opponent winrate against Diana is 47.13%.


Katarina
Ác Kiếm
Senna wins against Katarina 45.82% of the time which is 2.50% lower against Katarina than the average opponent.
After normalising both champions win rates Senna wins against Katarina 3.83% less often than would be expected.
The average opponent winrate against Katarina is 48.32%.


Kayle
Thiên Thần Phán Quyết
Senna wins against Kayle 45.98% of the time which is 1.97% lower against Kayle than the average opponent.
After normalising both champions win rates Senna wins against Kayle 3.30% less often than would be expected.
The average opponent winrate against Kayle is 47.95%.


Akshan
Vệ Binh Ranh Mãnh
Senna wins against Akshan 46.24% of the time which is 1.48% lower against Akshan than the average opponent.
After normalising both champions win rates Senna wins against Akshan 2.81% less often than would be expected.
The average opponent winrate against Akshan is 47.72%.


Kassadin
Lữ Khách Hư Không
Senna wins against Kassadin 46.49% of the time which is 1.76% lower against Kassadin than the average opponent.
After normalising both champions win rates Senna wins against Kassadin 3.09% less often than would be expected.
The average opponent winrate against Kassadin is 48.25%.


Aurelion Sol
Ác Long Thượng Giới
Senna wins against Aurelion Sol 46.82% of the time which is 1.26% lower against Aurelion Sol than the average opponent.
After normalising both champions win rates Senna wins against Aurelion Sol 2.59% less often than would be expected.
The average opponent winrate against Aurelion Sol is 48.08%.


Jayce
Người Bảo Hộ Mai Sau
Senna wins against Jayce 46.92% of the time which is 1.95% lower against Jayce than the average opponent.
After normalising both champions win rates Senna wins against Jayce 3.28% less often than would be expected.
The average opponent winrate against Jayce is 48.87%.


Qiyana
Nữ Hoàng Nguyên Tố
Senna wins against Qiyana 47.08% of the time which is 0.79% higher against Qiyana than the average opponent.
After normalising both champions win rates Senna wins against Qiyana 0.54% less often than would be expected.
The average opponent winrate against Qiyana is 46.29%.


Syndra
Nữ Chúa Bóng Tối
Senna wins against Syndra 47.30% of the time which is 1.41% lower against Syndra than the average opponent.
After normalising both champions win rates Senna wins against Syndra 2.74% less often than would be expected.
The average opponent winrate against Syndra is 48.71%.


Zoe
Bậc Thầy Biến Ảo
Senna wins against Zoe 47.86% of the time which is 0.67% higher against Zoe than the average opponent.
After normalising both champions win rates Senna wins against Zoe 0.66% less often than would be expected.
The average opponent winrate against Zoe is 47.19%.


Lux
Tiểu Thư Ánh Sáng
Senna wins against Lux 48.07% of the time which is 0.13% lower against Lux than the average opponent.
After normalising both champions win rates Senna wins against Lux 1.46% less often than would be expected.
The average opponent winrate against Lux is 48.20%.


Twisted Fate
Thần Bài
Senna wins against Twisted Fate 48.36% of the time which is 0.48% higher against Twisted Fate than the average opponent.
After normalising both champions win rates Senna wins against Twisted Fate 0.85% less often than would be expected.
The average opponent winrate against Twisted Fate is 47.88%.


Vex
Pháp Sư Khó Chịu
Senna wins against Vex 48.44% of the time which is 2.40% higher against Vex than the average opponent.
After normalising both champions win rates Senna wins against Vex 1.07% more often than would be expected.
The average opponent winrate against Vex is 46.04%.


Viktor
Sứ Giả Của Arcane
Senna wins against Viktor 48.54% of the time which is 1.67% lower against Viktor than the average opponent.
After normalising both champions win rates Senna wins against Viktor 3.00% less often than would be expected.
The average opponent winrate against Viktor is 50.21%.


Ekko
Cậu Bé Đảo Lộn Thời Gian
Senna wins against Ekko 48.65% of the time which is 0.63% higher against Ekko than the average opponent.
After normalising both champions win rates Senna wins against Ekko 0.70% less often than would be expected.
The average opponent winrate against Ekko is 48.02%.


Fizz
Chú Cá Tinh Nghịch
Senna wins against Fizz 49.01% of the time which is 1.10% higher against Fizz than the average opponent.
After normalising both champions win rates Senna wins against Fizz 0.23% less often than would be expected.
The average opponent winrate against Fizz is 47.91%.


Akali
Sát Thủ Đơn Độc
Senna wins against Akali 49.10% of the time which is 0.00% lower against Akali than the average opponent.
After normalising both champions win rates Senna wins against Akali 1.33% less often than would be expected.
The average opponent winrate against Akali is 49.10%.


Orianna
Quý Cô Dây Cót
Senna wins against Orianna 49.11% of the time which is 0.66% lower against Orianna than the average opponent.
After normalising both champions win rates Senna wins against Orianna 1.99% less often than would be expected.
The average opponent winrate against Orianna is 49.77%.


Veigar
Bậc Thầy Tiểu Quỷ
Senna wins against Veigar 49.12% of the time which is 0.32% higher against Veigar than the average opponent.
After normalising both champions win rates Senna wins against Veigar 1.01% less often than would be expected.
The average opponent winrate against Veigar is 48.80%.


Talon
Sát Thủ Bóng Đêm
Senna wins against Talon 49.16% of the time which is 1.98% higher against Talon than the average opponent.
After normalising both champions win rates Senna wins against Talon 0.65% more often than would be expected.
The average opponent winrate against Talon is 47.18%.


Taliyah
Phù Thủy Đá
Senna wins against Taliyah 49.51% of the time which is 0.14% higher against Taliyah than the average opponent.
After normalising both champions win rates Senna wins against Taliyah 1.19% less often than would be expected.
The average opponent winrate against Taliyah is 49.37%.


Annie
Đứa Trẻ Bóng Tối
Senna wins against Annie 49.63% of the time which is 1.94% higher against Annie than the average opponent.
After normalising both champions win rates Senna wins against Annie 0.61% more often than would be expected.
The average opponent winrate against Annie is 47.69%.


Aurora
Phù Thủy Giữa Hai Thế Giới
Senna wins against Aurora 49.70% of the time which is 0.15% lower against Aurora than the average opponent.
After normalising both champions win rates Senna wins against Aurora 1.48% less often than would be expected.
The average opponent winrate against Aurora is 49.85%.


Zed
Chúa Tể Bóng Tối
Senna wins against Zed 49.71% of the time which is 0.64% higher against Zed than the average opponent.
After normalising both champions win rates Senna wins against Zed 0.69% less often than would be expected.
The average opponent winrate against Zed is 49.07%.


Ahri
Hồ Ly Chín Đuôi
Senna wins against Ahri 49.74% of the time which is 0.03% lower against Ahri than the average opponent.
After normalising both champions win rates Senna wins against Ahri 1.36% less often than would be expected.
The average opponent winrate against Ahri is 49.77%.


LeBlanc
Kẻ Lừa Đảo
Senna wins against LeBlanc 49.85% of the time which is 1.75% higher against LeBlanc than the average opponent.
After normalising both champions win rates Senna wins against LeBlanc 0.42% more often than would be expected.
The average opponent winrate against LeBlanc is 48.10%.


Twitch
Chuột Thành Tinh
Senna wins against Twitch 50.00% of the time which is 2.91% higher against Twitch than the average opponent.
After normalising both champions win rates Senna wins against Twitch 1.58% more often than would be expected.
The average opponent winrate against Twitch is 47.09%.


Ziggs
Chuyên Gia Chất Nổ
Senna wins against Ziggs 50.00% of the time which is 0.89% higher against Ziggs than the average opponent.
After normalising both champions win rates Senna wins against Ziggs 0.44% less often than would be expected.
The average opponent winrate against Ziggs is 49.11%.


Cho'Gath
Quái Vật Hư Không
Senna wins against Cho'Gath 50.00% of the time which is 1.05% higher against Cho'Gath than the average opponent.
After normalising both champions win rates Senna wins against Cho'Gath 0.28% less often than would be expected.
The average opponent winrate against Cho'Gath is 48.95%.


Cassiopeia
Xà Nữ
Senna wins against Cassiopeia 50.31% of the time which is 2.19% higher against Cassiopeia than the average opponent.
After normalising both champions win rates Senna wins against Cassiopeia 0.86% more often than would be expected.
The average opponent winrate against Cassiopeia is 48.12%.


Viego
Hắc Diệt Đế Vương
Senna wins against Viego 50.38% of the time which is 0.70% lower against Viego than the average opponent.
After normalising both champions win rates Senna wins against Viego 2.03% less often than would be expected.
The average opponent winrate against Viego is 51.08%.


Irelia
Vũ Kiếm Sư
Senna wins against Irelia 50.42% of the time which is 2.47% higher against Irelia than the average opponent.
After normalising both champions win rates Senna wins against Irelia 1.14% more often than would be expected.
The average opponent winrate against Irelia is 47.95%.


Naafiri
Chó Săn Khát Máu
Senna wins against Naafiri 50.75% of the time which is 3.43% higher against Naafiri than the average opponent.
After normalising both champions win rates Senna wins against Naafiri 2.10% more often than would be expected.
The average opponent winrate against Naafiri is 47.32%.


Vladimir
Thần Chết Đỏ
Senna wins against Vladimir 50.78% of the time which is 2.53% higher against Vladimir than the average opponent.
After normalising both champions win rates Senna wins against Vladimir 1.20% more often than would be expected.
The average opponent winrate against Vladimir is 48.25%.


Lissandra
Mụ Phù Thủy Băng
Senna wins against Lissandra 51.30% of the time which is 3.06% higher against Lissandra than the average opponent.
After normalising both champions win rates Senna wins against Lissandra 1.73% more often than would be expected.
The average opponent winrate against Lissandra is 48.24%.


Sylas
Kẻ Phá Xiềng
Senna wins against Sylas 51.38% of the time which is 1.87% higher against Sylas than the average opponent.
After normalising both champions win rates Senna wins against Sylas 0.54% more often than would be expected.
The average opponent winrate against Sylas is 49.51%.


Xerath
Pháp Sư Thăng Hoa
Senna wins against Xerath 51.87% of the time which is 4.24% higher against Xerath than the average opponent.
After normalising both champions win rates Senna wins against Xerath 2.91% more often than would be expected.
The average opponent winrate against Xerath is 47.63%.


Pantheon
Mũi Giáo Bất Diệt
Senna wins against Pantheon 52.03% of the time which is 5.68% higher against Pantheon than the average opponent.
After normalising both champions win rates Senna wins against Pantheon 4.35% more often than would be expected.
The average opponent winrate against Pantheon is 46.35%.


Morgana
Thiên Thần Sa Ngã
Senna wins against Morgana 52.03% of the time which is 5.83% higher against Morgana than the average opponent.
After normalising both champions win rates Senna wins against Morgana 4.50% more often than would be expected.
The average opponent winrate against Morgana is 46.20%.


Yasuo
Kẻ Bất Dung Thứ
Senna wins against Yasuo 52.39% of the time which is 2.88% higher against Yasuo than the average opponent.
After normalising both champions win rates Senna wins against Yasuo 1.55% more often than would be expected.
The average opponent winrate against Yasuo is 49.51%.


Anivia
Phượng Hoàng Băng
Senna wins against Anivia 53.14% of the time which is 5.25% higher against Anivia than the average opponent.
After normalising both champions win rates Senna wins against Anivia 3.92% more often than would be expected.
The average opponent winrate against Anivia is 47.89%.


Galio
Vệ Thần Khổng Lồ
Senna wins against Galio 53.68% of the time which is 5.69% higher against Galio than the average opponent.
After normalising both champions win rates Senna wins against Galio 4.36% more often than would be expected.
The average opponent winrate against Galio is 47.99%.


Vel'Koz
Con Mắt Hư Không
Senna wins against Vel'Koz 53.99% of the time which is 5.76% higher against Vel'Koz than the average opponent.
After normalising both champions win rates Senna wins against Vel'Koz 4.43% more often than would be expected.
The average opponent winrate against Vel'Koz is 48.23%.


Azir
Hoàng Đế Sa Mạc
Senna wins against Azir 54.04% of the time which is 3.02% higher against Azir than the average opponent.
After normalising both champions win rates Senna wins against Azir 1.69% more often than would be expected.
The average opponent winrate against Azir is 51.02%.


Malzahar
Tiên Tri Hư Không
Senna wins against Malzahar 54.14% of the time which is 5.30% higher against Malzahar than the average opponent.
After normalising both champions win rates Senna wins against Malzahar 3.97% more often than would be expected.
The average opponent winrate against Malzahar is 48.84%.


Ryze
Pháp Sư Cổ Ngữ
Senna wins against Ryze 54.68% of the time which is 4.72% higher against Ryze than the average opponent.
After normalising both champions win rates Senna wins against Ryze 3.39% more often than would be expected.
The average opponent winrate against Ryze is 49.96%.


Yone
Kẻ Về Từ Cõi Chết
Senna wins against Yone 54.80% of the time which is 2.26% higher against Yone than the average opponent.
After normalising both champions win rates Senna wins against Yone 0.93% more often than would be expected.
The average opponent winrate against Yone is 52.54%.


Hwei
Họa Sĩ Vạn Cảnh
Senna wins against Hwei 55.23% of the time which is 6.22% higher against Hwei than the average opponent.
After normalising both champions win rates Senna wins against Hwei 4.89% more often than would be expected.
The average opponent winrate against Hwei is 49.01%.


Mel
Ảnh Chiếu Của Tâm Hồn
Senna wins against Mel 55.29% of the time which is 2.95% higher against Mel than the average opponent.
After normalising both champions win rates Senna wins against Mel 1.62% more often than would be expected.
The average opponent winrate against Mel is 52.34%.


Corki
Phi Công Quả Cảm
Senna wins against Corki 60.00% of the time which is 7.62% higher against Corki than the average opponent.
After normalising both champions win rates Senna wins against Corki 6.29% more often than would be expected.
The average opponent winrate against Corki is 52.38%.