

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.
All Ranks Champions Analysed: 195,761,450
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 jungle Counters
Senna support on Patch 30 is the strongest counter to jungle champions of Fizz, Yasuo & Twisted Fate. While Senna support is countered most by jungle champions of Rammus, Briar & Warwick. Below is a detailed breakdown of Senna support counters against jungle champions with a minimum of 100 games.


Rammus
a páncélos
Senna wins against Rammus 44.95% of the time which is 2.78% lower against Rammus than the average opponent.
After normalising both champions win rates Senna wins against Rammus 1.85% less often than would be expected.
The average opponent winrate against Rammus is 47.73%.


Briar
a Visszafojtott éhség
Senna wins against Briar 45.25% of the time which is 1.23% lower against Briar than the average opponent.
After normalising both champions win rates Senna wins against Briar 0.31% less often than would be expected.
The average opponent winrate against Briar is 46.48%.


Warwick
Zaun elszabadult dühe
Senna wins against Warwick 45.93% of the time which is 1.23% lower against Warwick than the average opponent.
After normalising both champions win rates Senna wins against Warwick 0.30% less often than would be expected.
The average opponent winrate against Warwick is 47.16%.


Master Yi
a wuju nagymester
Senna wins against Master Yi 46.35% of the time which is 2.22% lower against Master Yi than the average opponent.
After normalising both champions win rates Senna wins against Master Yi 1.29% less often than would be expected.
The average opponent winrate against Master Yi is 48.57%.


Taric
Valoran pajzsa
Senna wins against Taric 46.62% of the time which is 5.66% lower against Taric than the average opponent.
After normalising both champions win rates Senna wins against Taric 4.73% less often than would be expected.
The average opponent winrate against Taric is 52.28%.


Volibear
a Kíméletlen vihar
Senna wins against Volibear 46.77% of the time which is 0.04% lower against Volibear than the average opponent.
After normalising both champions win rates Senna wins against Volibear 0.89% more often than would be expected.
The average opponent winrate against Volibear is 46.81%.


Kha'Zix
az Üresség ragadozója
Senna wins against Kha'Zix 47.52% of the time which is 2.34% lower against Kha'Zix than the average opponent.
After normalising both champions win rates Senna wins against Kha'Zix 1.41% less often than would be expected.
The average opponent winrate against Kha'Zix is 49.86%.


Amumu
a szomorú múmia
Senna wins against Amumu 47.55% of the time which is 0.59% lower against Amumu than the average opponent.
After normalising both champions win rates Senna wins against Amumu 0.34% more often than would be expected.
The average opponent winrate against Amumu is 48.14%.


Nocturne
az örök rémálom
Senna wins against Nocturne 47.59% of the time which is 1.96% lower against Nocturne than the average opponent.
After normalising both champions win rates Senna wins against Nocturne 1.03% less often than would be expected.
The average opponent winrate against Nocturne is 49.55%.


Zyra
a tövisek úrnője
Senna wins against Zyra 47.60% of the time which is 1.79% lower against Zyra than the average opponent.
After normalising both champions win rates Senna wins against Zyra 0.86% less often than would be expected.
The average opponent winrate against Zyra is 49.39%.


Jax
a fegyverek nagymestere
Senna wins against Jax 47.61% of the time which is 0.36% lower against Jax than the average opponent.
After normalising both champions win rates Senna wins against Jax 0.57% more often than would be expected.
The average opponent winrate against Jax is 47.97%.


Viego
A letaszított király
Senna wins against Viego 47.73% of the time which is 1.85% lower against Viego than the average opponent.
After normalising both champions win rates Senna wins against Viego 0.92% less often than would be expected.
The average opponent winrate against Viego is 49.58%.


Elise
a Pókkirálynő
Senna wins against Elise 47.89% of the time which is 2.12% lower against Elise than the average opponent.
After normalising both champions win rates Senna wins against Elise 1.19% less often than would be expected.
The average opponent winrate against Elise is 50.01%.


Mordekaiser
a vaslidérc
Senna wins against Mordekaiser 48.05% of the time which is 0.23% lower against Mordekaiser than the average opponent.
After normalising both champions win rates Senna wins against Mordekaiser 0.70% more often than would be expected.
The average opponent winrate against Mordekaiser is 48.28%.


Trundle
a Troll király
Senna wins against Trundle 48.08% of the time which is 0.52% lower against Trundle than the average opponent.
After normalising both champions win rates Senna wins against Trundle 0.41% more often than would be expected.
The average opponent winrate against Trundle is 48.60%.


Fiddlesticks
az ősi rém
Senna wins against Fiddlesticks 48.10% of the time which is 1.46% lower against Fiddlesticks than the average opponent.
After normalising both champions win rates Senna wins against Fiddlesticks 0.53% less often than would be expected.
The average opponent winrate against Fiddlesticks is 49.56%.


Darius
Noxus keze
Senna wins against Darius 48.27% of the time which is 2.04% lower against Darius than the average opponent.
After normalising both champions win rates Senna wins against Darius 1.11% less often than would be expected.
The average opponent winrate against Darius is 50.31%.


Nunu és Willump
a fiú és a jetije
Senna wins against Nunu és Willump 48.31% of the time which is 1.64% lower against Nunu és Willump than the average opponent.
After normalising both champions win rates Senna wins against Nunu és Willump 0.71% less often than would be expected.
The average opponent winrate against Nunu és Willump is 49.95%.


Dr. Mundo
a zauni őrült
Senna wins against Dr. Mundo 48.35% of the time which is 0.28% lower against Dr. Mundo than the average opponent.
After normalising both champions win rates Senna wins against Dr. Mundo 0.65% more often than would be expected.
The average opponent winrate against Dr. Mundo is 48.63%.


Ambessa
A háború mátriárkája
Senna wins against Ambessa 48.36% of the time which is 4.26% lower against Ambessa than the average opponent.
After normalising both champions win rates Senna wins against Ambessa 3.33% less often than would be expected.
The average opponent winrate against Ambessa is 52.62%.


Sett
a ring királya
Senna wins against Sett 48.36% of the time which is 1.51% lower against Sett than the average opponent.
After normalising both champions win rates Senna wins against Sett 0.58% less often than would be expected.
The average opponent winrate against Sett is 49.87%.


Diana
a Hold bajnoka
Senna wins against Diana 48.38% of the time which is 1.12% lower against Diana than the average opponent.
After normalising both champions win rates Senna wins against Diana 0.19% less often than would be expected.
The average opponent winrate against Diana is 49.50%.


IV. Jarvan
Demacia eszménye
Senna wins against IV. Jarvan 48.45% of the time which is 0.78% lower against IV. Jarvan than the average opponent.
After normalising both champions win rates Senna wins against IV. Jarvan 0.15% more often than would be expected.
The average opponent winrate against IV. Jarvan is 49.23%.


Evelynn
A gyötrelem ölelése
Senna wins against Evelynn 48.46% of the time which is 1.98% lower against Evelynn than the average opponent.
After normalising both champions win rates Senna wins against Evelynn 1.05% less often than would be expected.
The average opponent winrate against Evelynn is 50.44%.


Wukong
a majomkirály
Senna wins against Wukong 48.74% of the time which is 0.15% lower against Wukong than the average opponent.
After normalising both champions win rates Senna wins against Wukong 0.78% more often than would be expected.
The average opponent winrate against Wukong is 48.89%.


Shyvana
a félvér sárkány
Senna wins against Shyvana 48.81% of the time which is 0.53% lower against Shyvana than the average opponent.
After normalising both champions win rates Senna wins against Shyvana 0.40% more often than would be expected.
The average opponent winrate against Shyvana is 49.34%.


Kayn
az Árnykaszás
Senna wins against Kayn 48.97% of the time which is 0.69% lower against Kayn than the average opponent.
After normalising both champions win rates Senna wins against Kayn 0.24% more often than would be expected.
The average opponent winrate against Kayn is 49.66%.


Yorick
a lelkek pásztora
Senna wins against Yorick 49.16% of the time which is 0.85% higher against Yorick than the average opponent.
After normalising both champions win rates Senna wins against Yorick 1.78% more often than would be expected.
The average opponent winrate against Yorick is 48.31%.


Tryndamere
a barbárvezér
Senna wins against Tryndamere 49.20% of the time which is 0.67% lower against Tryndamere than the average opponent.
After normalising both champions win rates Senna wins against Tryndamere 0.26% more often than would be expected.
The average opponent winrate against Tryndamere is 49.87%.


Naafiri
az ezeragyarú kopó
Senna wins against Naafiri 49.36% of the time which is 0.62% lower against Naafiri than the average opponent.
After normalising both champions win rates Senna wins against Naafiri 0.31% more often than would be expected.
The average opponent winrate against Naafiri is 49.98%.


Graves
a törvényen kívüli
Senna wins against Graves 49.44% of the time which is 1.05% lower against Graves than the average opponent.
After normalising both champions win rates Senna wins against Graves 0.12% less often than would be expected.
The average opponent winrate against Graves is 50.49%.


Teemo
a fürge felderítő
Senna wins against Teemo 49.47% of the time which is 0.94% higher against Teemo than the average opponent.
After normalising both champions win rates Senna wins against Teemo 1.87% more often than would be expected.
The average opponent winrate against Teemo is 48.53%.


Morgana
a bukott
Senna wins against Morgana 49.48% of the time which is 0.66% higher against Morgana than the average opponent.
After normalising both champions win rates Senna wins against Morgana 1.59% more often than would be expected.
The average opponent winrate against Morgana is 48.82%.


Bel'Veth
az Üresség császárnője
Senna wins against Bel'Veth 49.50% of the time which is 0.56% lower against Bel'Veth than the average opponent.
After normalising both champions win rates Senna wins against Bel'Veth 0.37% more often than would be expected.
The average opponent winrate against Bel'Veth is 50.06%.


Brand
a lángoló bosszú
Senna wins against Brand 49.52% of the time which is 0.54% lower against Brand than the average opponent.
After normalising both champions win rates Senna wins against Brand 0.39% more often than would be expected.
The average opponent winrate against Brand is 50.06%.


Gwen
Az Áldott varrónő
Senna wins against Gwen 49.53% of the time which is 1.90% lower against Gwen than the average opponent.
After normalising both champions win rates Senna wins against Gwen 0.97% less often than would be expected.
The average opponent winrate against Gwen is 51.43%.


Talon
a penge árnyéka
Senna wins against Talon 49.64% of the time which is 1.05% lower against Talon than the average opponent.
After normalising both champions win rates Senna wins against Talon 0.12% less often than would be expected.
The average opponent winrate against Talon is 50.69%.


Ivern
a zöld barát
Senna wins against Ivern 49.87% of the time which is 0.08% higher against Ivern than the average opponent.
After normalising both champions win rates Senna wins against Ivern 1.01% more often than would be expected.
The average opponent winrate against Ivern is 49.79%.


Xin Zhao
Demacia udvarmestere
Senna wins against Xin Zhao 49.93% of the time which is 0.58% lower against Xin Zhao than the average opponent.
After normalising both champions win rates Senna wins against Xin Zhao 0.35% more often than would be expected.
The average opponent winrate against Xin Zhao is 50.51%.


Gragas
a csőcselék felbujtója
Senna wins against Gragas 49.94% of the time which is 1.71% lower against Gragas than the average opponent.
After normalising both champions win rates Senna wins against Gragas 0.78% less often than would be expected.
The average opponent winrate against Gragas is 51.65%.


Poppy
a pöröly őrzője
Senna wins against Poppy 49.97% of the time which is 0.86% higher against Poppy than the average opponent.
After normalising both champions win rates Senna wins against Poppy 1.79% more often than would be expected.
The average opponent winrate against Poppy is 49.11%.


Udyr
a lélekvándor
Senna wins against Udyr 50.04% of the time which is 0.56% lower against Udyr than the average opponent.
After normalising both champions win rates Senna wins against Udyr 0.37% more often than would be expected.
The average opponent winrate against Udyr is 50.60%.


Rek'Sai
a sivatagi Ürességrém
Senna wins against Rek'Sai 50.14% of the time which is 0.55% lower against Rek'Sai than the average opponent.
After normalising both champions win rates Senna wins against Rek'Sai 0.38% more often than would be expected.
The average opponent winrate against Rek'Sai is 50.69%.


Kindred
az örökkévalóság vadászai
Senna wins against Kindred 50.19% of the time which is 0.85% lower against Kindred than the average opponent.
After normalising both champions win rates Senna wins against Kindred 0.08% more often than would be expected.
The average opponent winrate against Kindred is 51.04%.


Nasus
a homokdűnék őre
Senna wins against Nasus 50.23% of the time which is 0.28% higher against Nasus than the average opponent.
After normalising both champions win rates Senna wins against Nasus 1.21% more often than would be expected.
The average opponent winrate against Nasus is 49.95%.


Ekko
a fiú, aki legyőzte az időt
Senna wins against Ekko 50.26% of the time which is 0.82% higher against Ekko than the average opponent.
After normalising both champions win rates Senna wins against Ekko 1.75% more often than would be expected.
The average opponent winrate against Ekko is 49.44%.


Zed
az árnyak nagyura
Senna wins against Zed 50.37% of the time which is 1.93% lower against Zed than the average opponent.
After normalising both champions win rates Senna wins against Zed 1.00% less often than would be expected.
The average opponent winrate against Zed is 52.30%.


Rumble
a gépesített fenyegetés
Senna wins against Rumble 50.37% of the time which is 1.77% higher against Rumble than the average opponent.
After normalising both champions win rates Senna wins against Rumble 2.70% more often than would be expected.
The average opponent winrate against Rumble is 48.60%.


Olaf
a rettenthetetlen viking
Senna wins against Olaf 50.38% of the time which is 0.49% higher against Olaf than the average opponent.
After normalising both champions win rates Senna wins against Olaf 1.42% more often than would be expected.
The average opponent winrate against Olaf is 49.89%.


Aurelion Sol
a csillagok kovácsa
Senna wins against Aurelion Sol 50.42% of the time which is 5.40% lower against Aurelion Sol than the average opponent.
After normalising both champions win rates Senna wins against Aurelion Sol 4.48% less often than would be expected.
The average opponent winrate against Aurelion Sol is 55.82%.


Shaco
a démoni bohóc
Senna wins against Shaco 50.42% of the time which is 1.17% lower against Shaco than the average opponent.
After normalising both champions win rates Senna wins against Shaco 0.24% less often than would be expected.
The average opponent winrate against Shaco is 51.59%.


Lillia
a félénk virág
Senna wins against Lillia 50.57% of the time which is 0.72% higher against Lillia than the average opponent.
After normalising both champions win rates Senna wins against Lillia 1.65% more often than would be expected.
The average opponent winrate against Lillia is 49.85%.


Pantheon
a törhetetlen lándzsa
Senna wins against Pantheon 50.61% of the time which is 0.63% lower against Pantheon than the average opponent.
After normalising both champions win rates Senna wins against Pantheon 0.30% more often than would be expected.
The average opponent winrate against Pantheon is 51.24%.


Sejuani
Észak dühe
Senna wins against Sejuani 50.70% of the time which is 0.32% lower against Sejuani than the average opponent.
After normalising both champions win rates Senna wins against Sejuani 0.61% more often than would be expected.
The average opponent winrate against Sejuani is 51.02%.


Lee Sin
a világtalan szerzetes
Senna wins against Lee Sin 50.74% of the time which is 0.68% lower against Lee Sin than the average opponent.
After normalising both champions win rates Senna wins against Lee Sin 0.25% more often than would be expected.
The average opponent winrate against Lee Sin is 51.42%.


Urgot
a pusztító
Senna wins against Urgot 50.76% of the time which is 1.74% lower against Urgot than the average opponent.
After normalising both champions win rates Senna wins against Urgot 0.81% less often than would be expected.
The average opponent winrate against Urgot is 52.50%.


Neeko
a kíváncsi kaméleon
Senna wins against Neeko 50.82% of the time which is 2.49% lower against Neeko than the average opponent.
After normalising both champions win rates Senna wins against Neeko 1.56% less often than would be expected.
The average opponent winrate against Neeko is 53.31%.


Vi
a piltoveri végrehajtó
Senna wins against Vi 50.83% of the time which is 0.62% lower against Vi than the average opponent.
After normalising both champions win rates Senna wins against Vi 0.31% more often than would be expected.
The average opponent winrate against Vi is 51.45%.


Karthus
a halál énekese
Senna wins against Karthus 50.88% of the time which is 0.63% lower against Karthus than the average opponent.
After normalising both champions win rates Senna wins against Karthus 0.30% more often than would be expected.
The average opponent winrate against Karthus is 51.51%.


Sylas
a kiszabadult rab
Senna wins against Sylas 50.99% of the time which is 0.06% lower against Sylas than the average opponent.
After normalising both champions win rates Senna wins against Sylas 0.87% more often than would be expected.
The average opponent winrate against Sylas is 51.05%.


Hecarim
a háború árnyéka
Senna wins against Hecarim 51.21% of the time which is 0.29% lower against Hecarim than the average opponent.
After normalising both champions win rates Senna wins against Hecarim 0.64% more often than would be expected.
The average opponent winrate against Hecarim is 51.50%.


Taliyah
a sziklaszövő
Senna wins against Taliyah 51.48% of the time which is 0.19% higher against Taliyah than the average opponent.
After normalising both champions win rates Senna wins against Taliyah 1.12% more often than would be expected.
The average opponent winrate against Taliyah is 51.29%.


Zac
a titkos fegyver
Senna wins against Zac 51.67% of the time which is 0.80% higher against Zac than the average opponent.
After normalising both champions win rates Senna wins against Zac 1.73% more often than would be expected.
The average opponent winrate against Zac is 50.87%.


Shen
az Alkony szeme
Senna wins against Shen 51.72% of the time which is 1.53% lower against Shen than the average opponent.
After normalising both champions win rates Senna wins against Shen 0.60% less often than would be expected.
The average opponent winrate against Shen is 53.25%.


Nautilus
a mélység titánja
Senna wins against Nautilus 51.86% of the time which is 0.88% lower against Nautilus than the average opponent.
After normalising both champions win rates Senna wins against Nautilus 0.05% more often than would be expected.
The average opponent winrate against Nautilus is 52.74%.


Sion
az élőholt gyilkológép
Senna wins against Sion 51.88% of the time which is 2.47% higher against Sion than the average opponent.
After normalising both champions win rates Senna wins against Sion 3.40% more often than would be expected.
The average opponent winrate against Sion is 49.41%.


Nidalee
a vadászó bestia
Senna wins against Nidalee 52.02% of the time which is 0.32% lower against Nidalee than the average opponent.
After normalising both champions win rates Senna wins against Nidalee 0.61% more often than would be expected.
The average opponent winrate against Nidalee is 52.34%.


Qiyana
Az elemek császárnője
Senna wins against Qiyana 52.06% of the time which is 0.68% lower against Qiyana than the average opponent.
After normalising both champions win rates Senna wins against Qiyana 0.25% more often than would be expected.
The average opponent winrate against Qiyana is 52.74%.


Maokai
a hatalmas ent
Senna wins against Maokai 52.26% of the time which is 0.25% higher against Maokai than the average opponent.
After normalising both champions win rates Senna wins against Maokai 1.18% more often than would be expected.
The average opponent winrate against Maokai is 52.01%.


Rengar
a büszke ragadozó
Senna wins against Rengar 52.27% of the time which is 1.90% lower against Rengar than the average opponent.
After normalising both champions win rates Senna wins against Rengar 0.98% less often than would be expected.
The average opponent winrate against Rengar is 54.17%.


Cho'Gath
az Üresség réme
Senna wins against Cho'Gath 52.28% of the time which is 0.13% higher against Cho'Gath than the average opponent.
After normalising both champions win rates Senna wins against Cho'Gath 1.06% more often than would be expected.
The average opponent winrate against Cho'Gath is 52.15%.


Ornn
A hegymély lángja
Senna wins against Ornn 52.48% of the time which is 5.14% lower against Ornn than the average opponent.
After normalising both champions win rates Senna wins against Ornn 4.23% less often than would be expected.
The average opponent winrate against Ornn is 57.62%.


Yone
az el nem feledett
Senna wins against Yone 52.71% of the time which is 4.54% lower against Yone than the average opponent.
After normalising both champions win rates Senna wins against Yone 3.63% less often than would be expected.
The average opponent winrate against Yone is 57.25%.


Kai'Sa
Az üresség leánya
Senna wins against Kai'Sa 52.85% of the time which is 3.76% lower against Kai'Sa than the average opponent.
After normalising both champions win rates Senna wins against Kai'Sa 2.84% less often than would be expected.
The average opponent winrate against Kai'Sa is 56.61%.


Singed
az őrült vegyész
Senna wins against Singed 53.42% of the time which is 1.89% higher against Singed than the average opponent.
After normalising both champions win rates Senna wins against Singed 2.82% more often than would be expected.
The average opponent winrate against Singed is 51.53%.


Aatrox
a Darkin penge
Senna wins against Aatrox 53.52% of the time which is 2.22% lower against Aatrox than the average opponent.
After normalising both champions win rates Senna wins against Aatrox 1.30% less often than would be expected.
The average opponent winrate against Aatrox is 55.74%.


Vayne
az éji vadász
Senna wins against Vayne 54.08% of the time which is 1.16% lower against Vayne than the average opponent.
After normalising both champions win rates Senna wins against Vayne 0.24% less often than would be expected.
The average opponent winrate against Vayne is 55.24%.


Camille
az acélhölgy
Senna wins against Camille 54.55% of the time which is 2.14% lower against Camille than the average opponent.
After normalising both champions win rates Senna wins against Camille 1.22% less often than would be expected.
The average opponent winrate against Camille is 56.69%.


Quinn
Demacia szárnyai
Senna wins against Quinn 54.72% of the time which is 1.96% lower against Quinn than the average opponent.
After normalising both champions win rates Senna wins against Quinn 1.04% less often than would be expected.
The average opponent winrate against Quinn is 56.68%.


Malzahar
az Üresség prófétája
Senna wins against Malzahar 55.56% of the time which is 4.29% lower against Malzahar than the average opponent.
After normalising both champions win rates Senna wins against Malzahar 3.39% less often than would be expected.
The average opponent winrate against Malzahar is 59.85%.


Malphite
a monolitszilánk
Senna wins against Malphite 55.74% of the time which is 1.20% lower against Malphite than the average opponent.
After normalising both champions win rates Senna wins against Malphite 0.29% less often than would be expected.
The average opponent winrate against Malphite is 56.94%.


Kayle
az igazságos
Senna wins against Kayle 56.48% of the time which is 2.02% higher against Kayle than the average opponent.
After normalising both champions win rates Senna wins against Kayle 2.94% more often than would be expected.
The average opponent winrate against Kayle is 54.46%.


Twitch
a pestispatkány
Senna wins against Twitch 56.74% of the time which is 1.74% lower against Twitch than the average opponent.
After normalising both champions win rates Senna wins against Twitch 0.83% less often than would be expected.
The average opponent winrate against Twitch is 58.48%.


Riven
a száműzött
Senna wins against Riven 57.41% of the time which is 3.94% lower against Riven than the average opponent.
After normalising both champions win rates Senna wins against Riven 3.05% less often than would be expected.
The average opponent winrate against Riven is 61.35%.


Skarner
az Ősi fejedelem
Senna wins against Skarner 57.68% of the time which is 1.92% higher against Skarner than the average opponent.
After normalising both champions win rates Senna wins against Skarner 2.84% more often than would be expected.
The average opponent winrate against Skarner is 55.76%.


Garen
Demacia ereje
Senna wins against Garen 58.74% of the time which is 0.12% higher against Garen than the average opponent.
After normalising both champions win rates Senna wins against Garen 1.03% more often than would be expected.
The average opponent winrate against Garen is 58.62%.


Nilah
a szabadjára engedett öröm
Senna wins against Nilah 58.99% of the time which is 1.58% lower against Nilah than the average opponent.
After normalising both champions win rates Senna wins against Nilah 0.69% less often than would be expected.
The average opponent winrate against Nilah is 60.57%.


Twisted Fate
a hamiskártyás
Senna wins against Twisted Fate 63.81% of the time which is 3.02% higher against Twisted Fate than the average opponent.
After normalising both champions win rates Senna wins against Twisted Fate 3.91% more often than would be expected.
The average opponent winrate against Twisted Fate is 60.79%.


Yasuo
a kitaszított
Senna wins against Yasuo 64.71% of the time which is 2.51% higher against Yasuo than the average opponent.
After normalising both champions win rates Senna wins against Yasuo 3.39% more often than would be expected.
The average opponent winrate against Yasuo is 62.20%.


Fizz
az árapály trükkmestere
Senna wins against Fizz 65.56% of the time which is 2.84% higher against Fizz than the average opponent.
After normalising both champions win rates Senna wins against Fizz 3.71% more often than would be expected.
The average opponent winrate against Fizz is 62.72%.