

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: 18,203,390
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 Ezreal, Yunara & Taliyah. While Senna support is countered most by middle champions of Vel'Koz, Jayce & Kennen. Below is a detailed breakdown of Senna support counters against middle champions with a minimum of 100 games.


Vel'Koz
Con Mắt Hư Không
Senna wins against Vel'Koz 38.82% of the time which is 12.38% lower against Vel'Koz than the average opponent.
After normalising both champions win rates Senna wins against Vel'Koz 5.67% less often than would be expected.
The average opponent winrate against Vel'Koz is 51.20%.


Jayce
Người Bảo Hộ Mai Sau
Senna wins against Jayce 38.99% of the time which is 14.86% lower against Jayce than the average opponent.
After normalising both champions win rates Senna wins against Jayce 8.16% less often than would be expected.
The average opponent winrate against Jayce is 53.85%.


Kennen
Trái Tim Sấm Sét
Senna wins against Kennen 40.00% of the time which is 11.26% lower against Kennen than the average opponent.
After normalising both champions win rates Senna wins against Kennen 4.55% less often than would be expected.
The average opponent winrate against Kennen is 51.26%.


Kayle
Thiên Thần Phán Quyết
Senna wins against Kayle 40.09% of the time which is 9.50% lower against Kayle than the average opponent.
After normalising both champions win rates Senna wins against Kayle 2.80% less often than would be expected.
The average opponent winrate against Kayle is 49.59%.


Teemo
Trinh Sát Nhanh Nhẹn
Senna wins against Teemo 40.13% of the time which is 10.31% lower against Teemo than the average opponent.
After normalising both champions win rates Senna wins against Teemo 3.61% less often than would be expected.
The average opponent winrate against Teemo is 50.44%.


Naafiri
Chó Săn Khát Máu
Senna wins against Naafiri 41.16% of the time which is 9.57% lower against Naafiri than the average opponent.
After normalising both champions win rates Senna wins against Naafiri 2.86% less often than would be expected.
The average opponent winrate against Naafiri is 50.73%.


Malphite
Mảnh Vỡ Thiên Thạch
Senna wins against Malphite 41.31% of the time which is 9.13% lower against Malphite than the average opponent.
After normalising both champions win rates Senna wins against Malphite 2.43% less often than would be expected.
The average opponent winrate against Malphite is 50.44%.


Irelia
Vũ Kiếm Sư
Senna wins against Irelia 41.37% of the time which is 10.76% lower against Irelia than the average opponent.
After normalising both champions win rates Senna wins against Irelia 4.05% less often than would be expected.
The average opponent winrate against Irelia is 52.13%.


Pantheon
Mũi Giáo Bất Diệt
Senna wins against Pantheon 41.72% of the time which is 9.63% lower against Pantheon than the average opponent.
After normalising both champions win rates Senna wins against Pantheon 2.92% less often than would be expected.
The average opponent winrate against Pantheon is 51.35%.


Varus
Mũi Tên Báo Thù
Senna wins against Varus 42.14% of the time which is 11.89% lower against Varus than the average opponent.
After normalising both champions win rates Senna wins against Varus 5.19% less often than would be expected.
The average opponent winrate against Varus is 54.03%.


Sett
Đại Ca
Senna wins against Sett 42.18% of the time which is 4.74% lower against Sett than the average opponent.
After normalising both champions win rates Senna wins against Sett 1.92% more often than would be expected.
The average opponent winrate against Sett is 46.92%.


Zyra
Gai Nổi Loạn
Senna wins against Zyra 42.33% of the time which is 9.31% lower against Zyra than the average opponent.
After normalising both champions win rates Senna wins against Zyra 2.60% less often than would be expected.
The average opponent winrate against Zyra is 51.64%.


Brand
Thần Lửa
Senna wins against Brand 42.42% of the time which is 8.49% lower against Brand than the average opponent.
After normalising both champions win rates Senna wins against Brand 1.78% less often than would be expected.
The average opponent winrate against Brand is 50.91%.


Aurelion Sol
Ác Long Thượng Giới
Senna wins against Aurelion Sol 42.42% of the time which is 8.67% lower against Aurelion Sol than the average opponent.
After normalising both champions win rates Senna wins against Aurelion Sol 1.96% less often than would be expected.
The average opponent winrate against Aurelion Sol is 51.09%.


Fizz
Chú Cá Tinh Nghịch
Senna wins against Fizz 42.60% of the time which is 8.61% lower against Fizz than the average opponent.
After normalising both champions win rates Senna wins against Fizz 1.90% less often than would be expected.
The average opponent winrate against Fizz is 51.21%.


Morgana
Thiên Thần Sa Ngã
Senna wins against Morgana 42.60% of the time which is 7.53% lower against Morgana than the average opponent.
After normalising both champions win rates Senna wins against Morgana 0.83% less often than would be expected.
The average opponent winrate against Morgana is 50.13%.


Veigar
Bậc Thầy Tiểu Quỷ
Senna wins against Veigar 42.74% of the time which is 7.03% lower against Veigar than the average opponent.
After normalising both champions win rates Senna wins against Veigar 0.33% less often than would be expected.
The average opponent winrate against Veigar is 49.77%.


Sion
Chiến Binh Bất Tử
Senna wins against Sion 42.86% of the time which is 5.47% lower against Sion than the average opponent.
After normalising both champions win rates Senna wins against Sion 1.21% more often than would be expected.
The average opponent winrate against Sion is 48.33%.


Heimerdinger
Nhà Phát Minh Lỗi Lạc
Senna wins against Heimerdinger 43.22% of the time which is 5.89% lower against Heimerdinger than the average opponent.
After normalising both champions win rates Senna wins against Heimerdinger 0.80% more often than would be expected.
The average opponent winrate against Heimerdinger is 49.11%.


Ziggs
Chuyên Gia Chất Nổ
Senna wins against Ziggs 43.40% of the time which is 8.00% lower against Ziggs than the average opponent.
After normalising both champions win rates Senna wins against Ziggs 1.29% less often than would be expected.
The average opponent winrate against Ziggs is 51.40%.


Lux
Tiểu Thư Ánh Sáng
Senna wins against Lux 43.43% of the time which is 7.12% lower against Lux than the average opponent.
After normalising both champions win rates Senna wins against Lux 0.42% less often than would be expected.
The average opponent winrate against Lux is 50.55%.


Swain
Nguyên Soái Noxus
Senna wins against Swain 43.72% of the time which is 5.67% lower against Swain than the average opponent.
After normalising both champions win rates Senna wins against Swain 1.02% more often than would be expected.
The average opponent winrate against Swain is 49.39%.


Anivia
Phượng Hoàng Băng
Senna wins against Anivia 43.80% of the time which is 8.29% lower against Anivia than the average opponent.
After normalising both champions win rates Senna wins against Anivia 1.58% less often than would be expected.
The average opponent winrate against Anivia is 52.09%.


Hwei
Họa Sĩ Vạn Cảnh
Senna wins against Hwei 43.87% of the time which is 8.57% lower against Hwei than the average opponent.
After normalising both champions win rates Senna wins against Hwei 1.86% less often than would be expected.
The average opponent winrate against Hwei is 52.44%.


Viktor
Sứ Giả Của Arcane
Senna wins against Viktor 43.92% of the time which is 7.95% lower against Viktor than the average opponent.
After normalising both champions win rates Senna wins against Viktor 1.24% less often than would be expected.
The average opponent winrate against Viktor is 51.87%.


Malzahar
Tiên Tri Hư Không
Senna wins against Malzahar 44.08% of the time which is 5.26% lower against Malzahar than the average opponent.
After normalising both champions win rates Senna wins against Malzahar 1.43% more often than would be expected.
The average opponent winrate against Malzahar is 49.34%.


Talon
Sát Thủ Bóng Đêm
Senna wins against Talon 44.16% of the time which is 9.64% lower against Talon than the average opponent.
After normalising both champions win rates Senna wins against Talon 2.94% less often than would be expected.
The average opponent winrate against Talon is 53.80%.


Yasuo
Kẻ Bất Dung Thứ
Senna wins against Yasuo 44.18% of the time which is 6.92% lower against Yasuo than the average opponent.
After normalising both champions win rates Senna wins against Yasuo 0.21% less often than would be expected.
The average opponent winrate against Yasuo is 51.10%.


Xerath
Pháp Sư Thăng Hoa
Senna wins against Xerath 44.34% of the time which is 6.22% lower 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 50.56%.


Diana
Vầng Trăng Ai Oán
Senna wins against Diana 44.34% of the time which is 6.91% lower against Diana than the average opponent.
After normalising both champions win rates Senna wins against Diana 0.20% less often than would be expected.
The average opponent winrate against Diana is 51.25%.


Akali
Sát Thủ Đơn Độc
Senna wins against Akali 44.58% of the time which is 7.55% lower against Akali than the average opponent.
After normalising both champions win rates Senna wins against Akali 0.84% less often than would be expected.
The average opponent winrate against Akali is 52.13%.


Nasus
Nhà Thông Thái Sa Mạc
Senna wins against Nasus 44.78% of the time which is 4.89% lower against Nasus than the average opponent.
After normalising both champions win rates Senna wins against Nasus 1.81% more often than would be expected.
The average opponent winrate against Nasus is 49.67%.


Ekko
Cậu Bé Đảo Lộn Thời Gian
Senna wins against Ekko 44.92% of the time which is 6.08% lower against Ekko than the average opponent.
After normalising both champions win rates Senna wins against Ekko 0.63% more often than would be expected.
The average opponent winrate against Ekko is 51.00%.


Akshan
Vệ Binh Ranh Mãnh
Senna wins against Akshan 44.99% of the time which is 9.41% lower against Akshan than the average opponent.
After normalising both champions win rates Senna wins against Akshan 2.71% less often than would be expected.
The average opponent winrate against Akshan is 54.40%.


Twitch
Chuột Thành Tinh
Senna wins against Twitch 45.16% of the time which is 8.60% lower against Twitch than the average opponent.
After normalising both champions win rates Senna wins against Twitch 1.89% less often than would be expected.
The average opponent winrate against Twitch is 53.76%.


Ryze
Pháp Sư Cổ Ngữ
Senna wins against Ryze 45.35% of the time which is 6.71% lower against Ryze than the average opponent.
After normalising both champions win rates Senna wins against Ryze 0.00% less often than would be expected.
The average opponent winrate against Ryze is 52.06%.


Seraphine
Ca Sĩ Mộng Mơ
Senna wins against Seraphine 45.38% of the time which is 8.06% lower against Seraphine than the average opponent.
After normalising both champions win rates Senna wins against Seraphine 1.35% less often than would be expected.
The average opponent winrate against Seraphine is 53.44%.


Tristana
Tay Súng Yordle
Senna wins against Tristana 45.56% of the time which is 9.61% lower against Tristana than the average opponent.
After normalising both champions win rates Senna wins against Tristana 2.92% less often than would be expected.
The average opponent winrate against Tristana is 55.17%.


Yorick
Kẻ Dẫn Dắt Linh Hồn
Senna wins against Yorick 45.63% of the time which is 3.24% lower against Yorick than the average opponent.
After normalising both champions win rates Senna wins against Yorick 3.45% more often than would be expected.
The average opponent winrate against Yorick is 48.87%.


Viego
Hắc Diệt Đế Vương
Senna wins against Viego 45.71% of the time which is 7.91% lower against Viego than the average opponent.
After normalising both champions win rates Senna wins against Viego 1.20% less often than would be expected.
The average opponent winrate against Viego is 53.62%.


Yone
Kẻ Về Từ Cõi Chết
Senna wins against Yone 45.78% of the time which is 7.12% lower against Yone than the average opponent.
After normalising both champions win rates Senna wins against Yone 0.41% less often than would be expected.
The average opponent winrate against Yone is 52.90%.


Mordekaiser
Ác Quỷ Thiết Giáp
Senna wins against Mordekaiser 45.97% of the time which is 4.24% lower against Mordekaiser than the average opponent.
After normalising both champions win rates Senna wins against Mordekaiser 2.46% more often than would be expected.
The average opponent winrate against Mordekaiser is 50.21%.


Galio
Vệ Thần Khổng Lồ
Senna wins against Galio 46.17% of the time which is 3.90% lower against Galio than the average opponent.
After normalising both champions win rates Senna wins against Galio 2.80% more often than would be expected.
The average opponent winrate against Galio is 50.07%.


Lissandra
Mụ Phù Thủy Băng
Senna wins against Lissandra 46.17% of the time which is 5.95% lower against Lissandra than the average opponent.
After normalising both champions win rates Senna wins against Lissandra 0.76% more often than would be expected.
The average opponent winrate against Lissandra is 52.12%.


Aurora
Phù Thủy Giữa Hai Thế Giới
Senna wins against Aurora 46.23% of the time which is 7.24% lower against Aurora than the average opponent.
After normalising both champions win rates Senna wins against Aurora 0.53% less often than would be expected.
The average opponent winrate against Aurora is 53.47%.


Ahri
Hồ Ly Chín Đuôi
Senna wins against Ahri 46.62% of the time which is 6.17% lower against Ahri than the average opponent.
After normalising both champions win rates Senna wins against Ahri 0.54% more often than would be expected.
The average opponent winrate against Ahri is 52.79%.


Orianna
Quý Cô Dây Cót
Senna wins against Orianna 46.70% of the time which is 6.47% lower against Orianna than the average opponent.
After normalising both champions win rates Senna wins against Orianna 0.24% more often than would be expected.
The average opponent winrate against Orianna is 53.17%.


Annie
Đứa Trẻ Bóng Tối
Senna wins against Annie 46.79% of the time which is 6.32% lower against Annie than the average opponent.
After normalising both champions win rates Senna wins against Annie 0.39% more often than would be expected.
The average opponent winrate against Annie is 53.11%.


Caitlyn
Cảnh Sát Trưởng Piltover
Senna wins against Caitlyn 46.81% of the time which is 8.12% lower against Caitlyn than the average opponent.
After normalising both champions win rates Senna wins against Caitlyn 1.42% less often than would be expected.
The average opponent winrate against Caitlyn is 54.93%.


LeBlanc
Kẻ Lừa Đảo
Senna wins against LeBlanc 46.84% of the time which is 6.74% lower against LeBlanc than the average opponent.
After normalising both champions win rates Senna wins against LeBlanc 0.03% less often than would be expected.
The average opponent winrate against LeBlanc is 53.58%.


Syndra
Nữ Chúa Bóng Tối
Senna wins against Syndra 46.86% of the time which is 6.01% lower against Syndra than the average opponent.
After normalising both champions win rates Senna wins against Syndra 0.70% more often than would be expected.
The average opponent winrate against Syndra is 52.87%.


Twisted Fate
Thần Bài
Senna wins against Twisted Fate 47.04% of the time which is 6.91% lower against Twisted Fate than the average opponent.
After normalising both champions win rates Senna wins against Twisted Fate 0.21% less often than would be expected.
The average opponent winrate against Twisted Fate is 53.95%.


Garen
Sức Mạnh Của Demacia
Senna wins against Garen 47.06% of the time which is 2.06% lower against Garen than the average opponent.
After normalising both champions win rates Senna wins against Garen 4.63% more often than would be expected.
The average opponent winrate against Garen is 49.12%.


Cassiopeia
Xà Nữ
Senna wins against Cassiopeia 47.10% of the time which is 5.99% lower against Cassiopeia than the average opponent.
After normalising both champions win rates Senna wins against Cassiopeia 0.72% more often than would be expected.
The average opponent winrate against Cassiopeia is 53.09%.


Katarina
Ác Kiếm
Senna wins against Katarina 47.14% of the time which is 6.88% lower against Katarina than the average opponent.
After normalising both champions win rates Senna wins against Katarina 0.18% less often than would be expected.
The average opponent winrate against Katarina is 54.02%.


Vex
Pháp Sư Khó Chịu
Senna wins against Vex 47.26% of the time which is 4.80% lower against Vex than the average opponent.
After normalising both champions win rates Senna wins against Vex 1.91% more often than would be expected.
The average opponent winrate against Vex is 52.06%.


Ashe
Cung Băng
Senna wins against Ashe 47.37% of the time which is 8.94% lower against Ashe than the average opponent.
After normalising both champions win rates Senna wins against Ashe 2.26% less often than would be expected.
The average opponent winrate against Ashe is 56.31%.


Zoe
Bậc Thầy Biến Ảo
Senna wins against Zoe 47.39% of the time which is 7.17% lower against Zoe than the average opponent.
After normalising both champions win rates Senna wins against Zoe 0.47% less often than would be expected.
The average opponent winrate against Zoe is 54.56%.


Corki
Phi Công Quả Cảm
Senna wins against Corki 47.50% of the time which is 9.56% lower against Corki than the average opponent.
After normalising both champions win rates Senna wins against Corki 2.89% less often than would be expected.
The average opponent winrate against Corki is 57.06%.


Neeko
Hóa Hình Sư Ham Học
Senna wins against Neeko 47.59% of the time which is 4.78% lower against Neeko than the average opponent.
After normalising both champions win rates Senna wins against Neeko 1.93% more often than would be expected.
The average opponent winrate against Neeko is 52.37%.


Vladimir
Thần Chết Đỏ
Senna wins against Vladimir 47.84% of the time which is 4.24% lower against Vladimir than the average opponent.
After normalising both champions win rates Senna wins against Vladimir 2.47% more often than would be expected.
The average opponent winrate against Vladimir is 52.08%.


Qiyana
Nữ Hoàng Nguyên Tố
Senna wins against Qiyana 48.32% of the time which is 9.41% lower against Qiyana than the average opponent.
After normalising both champions win rates Senna wins against Qiyana 2.76% less often than would be expected.
The average opponent winrate against Qiyana is 57.73%.


Mel
Ảnh Chiếu Của Tâm Hồn
Senna wins against Mel 48.47% of the time which is 4.17% lower against Mel than the average opponent.
After normalising both champions win rates Senna wins against Mel 2.54% more often than would be expected.
The average opponent winrate against Mel is 52.64%.


Azir
Hoàng Đế Sa Mạc
Senna wins against Azir 48.74% of the time which is 6.45% lower against Azir than the average opponent.
After normalising both champions win rates Senna wins against Azir 0.24% more often than would be expected.
The average opponent winrate against Azir is 55.19%.


Zed
Chúa Tể Bóng Tối
Senna wins against Zed 48.78% of the time which is 5.57% lower against Zed than the average opponent.
After normalising both champions win rates Senna wins against Zed 1.13% more often than would be expected.
The average opponent winrate against Zed is 54.35%.


Jhin
Nghệ Sĩ Tử Thần
Senna wins against Jhin 48.78% of the time which is 3.92% lower against Jhin than the average opponent.
After normalising both champions win rates Senna wins against Jhin 2.79% more often than would be expected.
The average opponent winrate against Jhin is 52.70%.


Smolder
Tiểu Hỏa Long
Senna wins against Smolder 48.99% of the time which is 4.02% lower against Smolder than the average opponent.
After normalising both champions win rates Senna wins against Smolder 2.69% more often than would be expected.
The average opponent winrate against Smolder is 53.01%.


Sylas
Kẻ Phá Xiềng
Senna wins against Sylas 49.01% of the time which is 4.60% lower against Sylas than the average opponent.
After normalising both champions win rates Senna wins against Sylas 2.11% more often than would be expected.
The average opponent winrate against Sylas is 53.61%.


Kassadin
Lữ Khách Hư Không
Senna wins against Kassadin 49.51% of the time which is 3.11% lower against Kassadin than the average opponent.
After normalising both champions win rates Senna wins against Kassadin 3.60% more often than would be expected.
The average opponent winrate against Kassadin is 52.62%.


Cho'Gath
Quái Vật Hư Không
Senna wins against Cho'Gath 49.55% of the time which is 1.74% lower against Cho'Gath than the average opponent.
After normalising both champions win rates Senna wins against Cho'Gath 4.97% more often than would be expected.
The average opponent winrate against Cho'Gath is 51.29%.


Miss Fortune
Thợ Săn Tiền Thưởng
Senna wins against Miss Fortune 50.36% of the time which is 5.70% lower against Miss Fortune than the average opponent.
After normalising both champions win rates Senna wins against Miss Fortune 0.98% more often than would be expected.
The average opponent winrate against Miss Fortune is 56.06%.


Quinn
Đôi Cánh Demacia
Senna wins against Quinn 50.85% of the time which is 0.48% lower against Quinn than the average opponent.
After normalising both champions win rates Senna wins against Quinn 6.23% more often than would be expected.
The average opponent winrate against Quinn is 51.33%.


Kai'Sa
Ái Nữ Hư Không
Senna wins against Kai'Sa 50.96% of the time which is 4.42% lower against Kai'Sa than the average opponent.
After normalising both champions win rates Senna wins against Kai'Sa 2.27% more often than would be expected.
The average opponent winrate against Kai'Sa is 55.38%.


Taliyah
Phù Thủy Đá
Senna wins against Taliyah 51.69% of the time which is 4.76% lower against Taliyah than the average opponent.
After normalising both champions win rates Senna wins against Taliyah 1.92% more often than would be expected.
The average opponent winrate against Taliyah is 56.45%.


Yunara
Bất Phá Tín Niệm
Senna wins against Yunara 52.20% of the time which is 6.91% lower against Yunara than the average opponent.
After normalising both champions win rates Senna wins against Yunara 0.29% less often than would be expected.
The average opponent winrate against Yunara is 59.11%.


Ezreal
Nhà Thám Hiểm
Senna wins against Ezreal 54.50% of the time which is 4.41% lower against Ezreal than the average opponent.
After normalising both champions win rates Senna wins against Ezreal 2.22% more often than would be expected.
The average opponent winrate against Ezreal is 58.91%.