

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: 85,700,440
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.


Nautilus Counters
Nautilus support vs jungle Counters
Nautilus support on Patch 14 is the strongest counter to jungle champions of Riven, Twisted Fate & Twitch. While Nautilus support is countered most by jungle champions of Mordekaiser, Volibear & Jax. Below is a detailed breakdown of Nautilus support counters against jungle champions with a minimum of 100 games.


Mordekaiser
o Revenã de Ferro
Nautilus wins against Mordekaiser 43.83% of the time which is 4.57% lower against Mordekaiser than the average opponent.
After normalising both champions win rates Nautilus wins against Mordekaiser 3.81% less often than would be expected.
The average opponent winrate against Mordekaiser is 48.40%.


Volibear
a Tempestade Implacável
Nautilus wins against Volibear 45.53% of the time which is 1.63% lower against Volibear than the average opponent.
After normalising both champions win rates Nautilus wins against Volibear 0.87% less often than would be expected.
The average opponent winrate against Volibear is 47.16%.


Jax
o Grão-Mestre das Armas
Nautilus wins against Jax 46.20% of the time which is 1.84% lower against Jax than the average opponent.
After normalising both champions win rates Nautilus wins against Jax 1.08% less often than would be expected.
The average opponent winrate against Jax is 48.04%.


Warwick
a Ira Desimpedida de Zaun
Nautilus wins against Warwick 46.22% of the time which is 1.17% lower against Warwick than the average opponent.
After normalising both champions win rates Nautilus wins against Warwick 0.41% less often than would be expected.
The average opponent winrate against Warwick is 47.39%.


Amumu
a Múmia Triste
Nautilus wins against Amumu 46.43% of the time which is 1.96% lower against Amumu than the average opponent.
After normalising both champions win rates Nautilus wins against Amumu 1.20% less often than would be expected.
The average opponent winrate against Amumu is 48.39%.


Briar
a Fome Contida
Nautilus wins against Briar 46.74% of the time which is 0.19% lower against Briar than the average opponent.
After normalising both champions win rates Nautilus wins against Briar 0.57% more often than would be expected.
The average opponent winrate against Briar is 46.93%.


Trundle
o Rei dos Trolls
Nautilus wins against Trundle 46.77% of the time which is 0.65% lower against Trundle than the average opponent.
After normalising both champions win rates Nautilus wins against Trundle 0.11% more often than would be expected.
The average opponent winrate against Trundle is 47.42%.


Fiddlesticks
o Terror Ancestral
Nautilus wins against Fiddlesticks 46.89% of the time which is 2.71% lower against Fiddlesticks than the average opponent.
After normalising both champions win rates Nautilus wins against Fiddlesticks 1.95% less often than would be expected.
The average opponent winrate against Fiddlesticks is 49.60%.


Rammus
o Tatu Blindado
Nautilus wins against Rammus 46.93% of the time which is 1.02% lower against Rammus than the average opponent.
After normalising both champions win rates Nautilus wins against Rammus 0.26% less often than would be expected.
The average opponent winrate against Rammus is 47.95%.


Olaf
o Berserker
Nautilus wins against Olaf 47.05% of the time which is 3.24% lower against Olaf than the average opponent.
After normalising both champions win rates Nautilus wins against Olaf 2.48% less often than would be expected.
The average opponent winrate against Olaf is 50.29%.


Wukong
o Macaco Rei
Nautilus wins against Wukong 47.18% of the time which is 1.78% lower against Wukong than the average opponent.
After normalising both champions win rates Nautilus wins against Wukong 1.02% less often than would be expected.
The average opponent winrate against Wukong is 48.96%.


Singed
o Químico Louco
Nautilus wins against Singed 47.26% of the time which is 4.68% lower against Singed than the average opponent.
After normalising both champions win rates Nautilus wins against Singed 3.92% less often than would be expected.
The average opponent winrate against Singed is 51.94%.


Rumble
a Ameaça Mecânica
Nautilus wins against Rumble 47.28% of the time which is 2.41% lower against Rumble than the average opponent.
After normalising both champions win rates Nautilus wins against Rumble 1.65% less often than would be expected.
The average opponent winrate against Rumble is 49.69%.


Tryndamere
o Rei Bárbaro
Nautilus wins against Tryndamere 47.33% of the time which is 2.59% lower against Tryndamere than the average opponent.
After normalising both champions win rates Nautilus wins against Tryndamere 1.83% less often than would be expected.
The average opponent winrate against Tryndamere is 49.92%.


Jarvan IV
o Exemplo de Demacia
Nautilus wins against Jarvan IV 47.55% of the time which is 1.55% lower against Jarvan IV than the average opponent.
After normalising both champions win rates Nautilus wins against Jarvan IV 0.79% less often than would be expected.
The average opponent winrate against Jarvan IV is 49.10%.


Brand
a Vingança Flamejante
Nautilus wins against Brand 47.94% of the time which is 3.07% lower against Brand than the average opponent.
After normalising both champions win rates Nautilus wins against Brand 2.31% less often than would be expected.
The average opponent winrate against Brand is 51.01%.


Dr. Mundo
o Louco de Zaun
Nautilus wins against Dr. Mundo 48.13% of the time which is 0.94% lower against Dr. Mundo than the average opponent.
After normalising both champions win rates Nautilus wins against Dr. Mundo 0.18% less often than would be expected.
The average opponent winrate against Dr. Mundo is 49.07%.


Nocturne
o Eterno Pesadelo
Nautilus wins against Nocturne 48.19% of the time which is 0.85% lower against Nocturne than the average opponent.
After normalising both champions win rates Nautilus wins against Nocturne 0.09% less often than would be expected.
The average opponent winrate against Nocturne is 49.04%.


Zyra
a Ascensão dos Espinhos
Nautilus wins against Zyra 48.20% of the time which is 1.20% lower against Zyra than the average opponent.
After normalising both champions win rates Nautilus wins against Zyra 0.44% less often than would be expected.
The average opponent winrate against Zyra is 49.40%.


Xin Zhao
o Senescal de Demacia
Nautilus wins against Xin Zhao 48.35% of the time which is 1.46% lower against Xin Zhao than the average opponent.
After normalising both champions win rates Nautilus wins against Xin Zhao 0.70% less often than would be expected.
The average opponent winrate against Xin Zhao is 49.81%.


Morgana
a Caída
Nautilus wins against Morgana 48.38% of the time which is 1.10% lower against Morgana than the average opponent.
After normalising both champions win rates Nautilus wins against Morgana 0.34% less often than would be expected.
The average opponent winrate against Morgana is 49.48%.


Ivern
o Pai do Verde
Nautilus wins against Ivern 48.40% of the time which is 1.32% lower against Ivern than the average opponent.
After normalising both champions win rates Nautilus wins against Ivern 0.56% less often than would be expected.
The average opponent winrate against Ivern is 49.72%.


Yorick
o Pastor de Almas
Nautilus wins against Yorick 48.43% of the time which is 0.13% lower against Yorick than the average opponent.
After normalising both champions win rates Nautilus wins against Yorick 0.63% more often than would be expected.
The average opponent winrate against Yorick is 48.56%.


Naafiri
Fera das Cem Mordidas
Nautilus wins against Naafiri 48.43% of the time which is 1.71% lower against Naafiri than the average opponent.
After normalising both champions win rates Nautilus wins against Naafiri 0.95% less often than would be expected.
The average opponent winrate against Naafiri is 50.14%.


Lillia
o Florir Receoso
Nautilus wins against Lillia 48.49% of the time which is 1.55% lower against Lillia than the average opponent.
After normalising both champions win rates Nautilus wins against Lillia 0.79% less often than would be expected.
The average opponent winrate against Lillia is 50.04%.


Diana
o Escárnio da Lua
Nautilus wins against Diana 48.58% of the time which is 0.97% lower against Diana than the average opponent.
After normalising both champions win rates Nautilus wins against Diana 0.21% less often than would be expected.
The average opponent winrate against Diana is 49.55%.


Kayn
o Ceifador das Sombras
Nautilus wins against Kayn 48.67% of the time which is 1.21% lower against Kayn than the average opponent.
After normalising both champions win rates Nautilus wins against Kayn 0.45% less often than would be expected.
The average opponent winrate against Kayn is 49.88%.


Sion
o Colosso Morto-Vivo
Nautilus wins against Sion 48.71% of the time which is 2.11% lower against Sion than the average opponent.
After normalising both champions win rates Nautilus wins against Sion 1.35% less often than would be expected.
The average opponent winrate against Sion is 50.82%.


Master Yi
o Espadachim Wuju
Nautilus wins against Master Yi 48.82% of the time which is 0.34% higher against Master Yi than the average opponent.
After normalising both champions win rates Nautilus wins against Master Yi 1.10% more often than would be expected.
The average opponent winrate against Master Yi is 48.48%.


Teemo
o Explorador Veloz
Nautilus wins against Teemo 48.86% of the time which is 0.28% higher against Teemo than the average opponent.
After normalising both champions win rates Nautilus wins against Teemo 1.04% more often than would be expected.
The average opponent winrate against Teemo is 48.58%.


Shyvana
a Meio-Dragão
Nautilus wins against Shyvana 49.02% of the time which is 0.58% lower against Shyvana than the average opponent.
After normalising both champions win rates Nautilus wins against Shyvana 0.18% more often than would be expected.
The average opponent winrate against Shyvana is 49.60%.


Sett
o Chefe
Nautilus wins against Sett 49.06% of the time which is 1.83% lower against Sett than the average opponent.
After normalising both champions win rates Nautilus wins against Sett 1.07% less often than would be expected.
The average opponent winrate against Sett is 50.89%.


Zac
a Arma Secreta
Nautilus wins against Zac 49.33% of the time which is 1.71% lower against Zac than the average opponent.
After normalising both champions win rates Nautilus wins against Zac 0.95% less often than would be expected.
The average opponent winrate against Zac is 51.04%.


Ekko
o Rapaz que Estilhaçou o Tempo
Nautilus wins against Ekko 49.38% of the time which is 0.18% lower against Ekko than the average opponent.
After normalising both champions win rates Nautilus wins against Ekko 0.58% more often than would be expected.
The average opponent winrate against Ekko is 49.56%.


Darius
a Mão de Noxus
Nautilus wins against Darius 49.44% of the time which is 0.76% lower against Darius than the average opponent.
After normalising both champions win rates Nautilus wins against Darius 0.00% less often than would be expected.
The average opponent winrate against Darius is 50.20%.


Viego
O Rei Destruído
Nautilus wins against Viego 49.45% of the time which is 0.14% lower against Viego than the average opponent.
After normalising both champions win rates Nautilus wins against Viego 0.62% more often than would be expected.
The average opponent winrate against Viego is 49.59%.


Gwen
A Costureira Encantada
Nautilus wins against Gwen 49.46% of the time which is 1.58% lower against Gwen than the average opponent.
After normalising both champions win rates Nautilus wins against Gwen 0.82% less often than would be expected.
The average opponent winrate against Gwen is 51.04%.


Ambessa
Matriarca da Guerra
Nautilus wins against Ambessa 49.47% of the time which is 3.17% lower against Ambessa than the average opponent.
After normalising both champions win rates Nautilus wins against Ambessa 2.41% less often than would be expected.
The average opponent winrate against Ambessa is 52.64%.


Pantheon
a Lança Indestrutível
Nautilus wins against Pantheon 49.49% of the time which is 1.81% lower against Pantheon than the average opponent.
After normalising both champions win rates Nautilus wins against Pantheon 1.05% less often than would be expected.
The average opponent winrate against Pantheon is 51.30%.


Poppy
a Guardiã do Martelo
Nautilus wins against Poppy 49.50% of the time which is 0.08% higher against Poppy than the average opponent.
After normalising both champions win rates Nautilus wins against Poppy 0.84% more often than would be expected.
The average opponent winrate against Poppy is 49.42%.


Nasus
o Curador das Areias
Nautilus wins against Nasus 49.53% of the time which is 0.78% lower against Nasus than the average opponent.
After normalising both champions win rates Nautilus wins against Nasus 0.02% less often than would be expected.
The average opponent winrate against Nasus is 50.31%.


Taliyah
a Tecelã de Pedras
Nautilus wins against Taliyah 49.72% of the time which is 1.81% lower against Taliyah than the average opponent.
After normalising both champions win rates Nautilus wins against Taliyah 1.05% less often than would be expected.
The average opponent winrate against Taliyah is 51.53%.


Taric
o Escudo de Valoran
Nautilus wins against Taric 50.00% of the time which is 3.75% lower against Taric than the average opponent.
After normalising both champions win rates Nautilus wins against Taric 2.99% less often than would be expected.
The average opponent winrate against Taric is 53.75%.


Cho'Gath
o Terror do Vazio
Nautilus wins against Cho'Gath 50.04% of the time which is 3.13% lower against Cho'Gath than the average opponent.
After normalising both champions win rates Nautilus wins against Cho'Gath 2.37% less often than would be expected.
The average opponent winrate against Cho'Gath is 53.17%.


Bel'Veth
a Imperatriz do Vazio
Nautilus wins against Bel'Veth 50.10% of the time which is 0.03% higher against Bel'Veth than the average opponent.
After normalising both champions win rates Nautilus wins against Bel'Veth 0.79% more often than would be expected.
The average opponent winrate against Bel'Veth is 50.07%.


Udyr
o Andarilho Espiritual
Nautilus wins against Udyr 50.11% of the time which is 0.61% lower against Udyr than the average opponent.
After normalising both champions win rates Nautilus wins against Udyr 0.15% more often than would be expected.
The average opponent winrate against Udyr is 50.72%.


Nunu e Willump
o Garoto e seu Yeti
Nautilus wins against Nunu e Willump 50.17% of the time which is 0.06% lower against Nunu e Willump than the average opponent.
After normalising both champions win rates Nautilus wins against Nunu e Willump 0.70% more often than would be expected.
The average opponent winrate against Nunu e Willump is 50.23%.


Elise
a Aranha Rainha
Nautilus wins against Elise 50.35% of the time which is 0.20% higher against Elise than the average opponent.
After normalising both champions win rates Nautilus wins against Elise 0.96% more often than would be expected.
The average opponent winrate against Elise is 50.15%.


Shaco
o Bufão Demoníaco
Nautilus wins against Shaco 50.42% of the time which is 1.00% lower against Shaco than the average opponent.
After normalising both champions win rates Nautilus wins against Shaco 0.24% less often than would be expected.
The average opponent winrate against Shaco is 51.42%.


Graves
o Foragido
Nautilus wins against Graves 50.45% of the time which is 0.34% lower against Graves than the average opponent.
After normalising both champions win rates Nautilus wins against Graves 0.42% more often than would be expected.
The average opponent winrate against Graves is 50.79%.


Karthus
a Voz Mortal
Nautilus wins against Karthus 50.45% of the time which is 1.32% lower against Karthus than the average opponent.
After normalising both champions win rates Nautilus wins against Karthus 0.56% less often than would be expected.
The average opponent winrate against Karthus is 51.77%.


Shen
o Olho do Crepúsculo
Nautilus wins against Shen 50.75% of the time which is 3.06% lower against Shen than the average opponent.
After normalising both champions win rates Nautilus wins against Shen 2.30% less often than would be expected.
The average opponent winrate against Shen is 53.81%.


Vi
a Defensora de Piltover
Nautilus wins against Vi 50.75% of the time which is 0.92% lower against Vi than the average opponent.
After normalising both champions win rates Nautilus wins against Vi 0.16% less often than would be expected.
The average opponent winrate against Vi is 51.67%.


Kindred
os Caçadores Eternos
Nautilus wins against Kindred 50.79% of the time which is 0.29% lower against Kindred than the average opponent.
After normalising both champions win rates Nautilus wins against Kindred 0.47% more often than would be expected.
The average opponent winrate against Kindred is 51.08%.


Rek'Sai
a Escavadora do Vazio
Nautilus wins against Rek'Sai 50.98% of the time which is 0.43% lower against Rek'Sai than the average opponent.
After normalising both champions win rates Nautilus wins against Rek'Sai 0.33% more often than would be expected.
The average opponent winrate against Rek'Sai is 51.41%.


Sylas
o Abjugado
Nautilus wins against Sylas 50.99% of the time which is 1.37% lower against Sylas than the average opponent.
After normalising both champions win rates Nautilus wins against Sylas 0.61% less often than would be expected.
The average opponent winrate against Sylas is 52.36%.


Talon
a Sombra da Lâmina
Nautilus wins against Talon 51.05% of the time which is 0.73% higher against Talon than the average opponent.
After normalising both champions win rates Nautilus wins against Talon 1.49% more often than would be expected.
The average opponent winrate against Talon is 50.32%.


Evelynn
o Abraço da Agonia
Nautilus wins against Evelynn 51.08% of the time which is 0.59% higher against Evelynn than the average opponent.
After normalising both champions win rates Nautilus wins against Evelynn 1.35% more often than would be expected.
The average opponent winrate against Evelynn is 50.49%.


Kha'Zix
o Ceifador do Vazio
Nautilus wins against Kha'Zix 51.24% of the time which is 1.38% higher against Kha'Zix than the average opponent.
After normalising both champions win rates Nautilus wins against Kha'Zix 2.14% more often than would be expected.
The average opponent winrate against Kha'Zix is 49.86%.


Sejuani
a Fúria do Norte
Nautilus wins against Sejuani 51.41% of the time which is 0.20% higher against Sejuani than the average opponent.
After normalising both champions win rates Nautilus wins against Sejuani 0.96% more often than would be expected.
The average opponent winrate against Sejuani is 51.21%.


Hecarim
a Sombra da Guerra
Nautilus wins against Hecarim 51.50% of the time which is 0.04% higher against Hecarim than the average opponent.
After normalising both champions win rates Nautilus wins against Hecarim 0.80% more often than would be expected.
The average opponent winrate against Hecarim is 51.46%.


Lee Sin
o Monge Cego
Nautilus wins against Lee Sin 51.54% of the time which is 0.27% lower against Lee Sin than the average opponent.
After normalising both champions win rates Nautilus wins against Lee Sin 0.49% more often than would be expected.
The average opponent winrate against Lee Sin is 51.81%.


Aatrox
a Espada Darkin
Nautilus wins against Aatrox 52.17% of the time which is 4.01% lower against Aatrox than the average opponent.
After normalising both champions win rates Nautilus wins against Aatrox 3.26% less often than would be expected.
The average opponent winrate against Aatrox is 56.18%.


Nidalee
a Caçadora Bestial
Nautilus wins against Nidalee 52.17% of the time which is 0.08% higher against Nidalee than the average opponent.
After normalising both champions win rates Nautilus wins against Nidalee 0.84% more often than would be expected.
The average opponent winrate against Nidalee is 52.09%.


Gragas
o Badernista
Nautilus wins against Gragas 52.40% of the time which is 0.41% higher against Gragas than the average opponent.
After normalising both champions win rates Nautilus wins against Gragas 1.17% more often than would be expected.
The average opponent winrate against Gragas is 51.99%.


Zed
o Mestre das Sombras
Nautilus wins against Zed 52.83% of the time which is 0.44% higher against Zed than the average opponent.
After normalising both champions win rates Nautilus wins against Zed 1.20% more often than would be expected.
The average opponent winrate against Zed is 52.39%.


Qiyana
a Imperatriz dos Elementos
Nautilus wins against Qiyana 53.24% of the time which is 0.85% higher against Qiyana than the average opponent.
After normalising both champions win rates Nautilus wins against Qiyana 1.61% more often than would be expected.
The average opponent winrate against Qiyana is 52.39%.


Maokai
o Ente Sinistro
Nautilus wins against Maokai 53.46% of the time which is 1.28% higher against Maokai than the average opponent.
After normalising both champions win rates Nautilus wins against Maokai 2.04% more often than would be expected.
The average opponent winrate against Maokai is 52.18%.


Neeko
a Camaleoa Curiosa
Nautilus wins against Neeko 53.88% of the time which is 0.79% lower against Neeko than the average opponent.
After normalising both champions win rates Nautilus wins against Neeko 0.04% less often than would be expected.
The average opponent winrate against Neeko is 54.67%.


Urgot
o Encouraçado
Nautilus wins against Urgot 54.32% of the time which is 2.45% higher against Urgot than the average opponent.
After normalising both champions win rates Nautilus wins against Urgot 3.21% more often than would be expected.
The average opponent winrate against Urgot is 51.87%.


Skarner
o Soberano Primordial
Nautilus wins against Skarner 54.33% of the time which is 1.52% lower against Skarner than the average opponent.
After normalising both champions win rates Nautilus wins against Skarner 0.77% less often than would be expected.
The average opponent winrate against Skarner is 55.85%.


Malphite
o Fragmento do Monolito
Nautilus wins against Malphite 55.29% of the time which is 1.66% lower against Malphite than the average opponent.
After normalising both champions win rates Nautilus wins against Malphite 0.91% less often than would be expected.
The average opponent winrate against Malphite is 56.95%.


Kai'Sa
a Filha do Vazio
Nautilus wins against Kai'Sa 55.33% of the time which is 1.74% lower against Kai'Sa than the average opponent.
After normalising both champions win rates Nautilus wins against Kai'Sa 0.99% less often than would be expected.
The average opponent winrate against Kai'Sa is 57.07%.


Yasuo
o Imperdoável
Nautilus wins against Yasuo 55.78% of the time which is 6.04% lower against Yasuo than the average opponent.
After normalising both champions win rates Nautilus wins against Yasuo 5.32% less often than would be expected.
The average opponent winrate against Yasuo is 61.82%.


Rengar
o Acossador da Alcateia
Nautilus wins against Rengar 55.96% of the time which is 1.97% higher against Rengar than the average opponent.
After normalising both champions win rates Nautilus wins against Rengar 2.73% more often than would be expected.
The average opponent winrate against Rengar is 53.99%.


Yone
o Inesquecido
Nautilus wins against Yone 56.57% of the time which is 0.31% lower against Yone than the average opponent.
After normalising both champions win rates Nautilus wins against Yone 0.44% more often than would be expected.
The average opponent winrate against Yone is 56.88%.


Kayle
a Justa
Nautilus wins against Kayle 56.88% of the time which is 2.05% higher against Kayle than the average opponent.
After normalising both champions win rates Nautilus wins against Kayle 2.80% more often than would be expected.
The average opponent winrate against Kayle is 54.83%.


Vayne
a Caçadora Noturna
Nautilus wins against Vayne 56.94% of the time which is 3.28% higher against Vayne than the average opponent.
After normalising both champions win rates Nautilus wins against Vayne 4.04% more often than would be expected.
The average opponent winrate against Vayne is 53.66%.


Fizz
o Trapaceiro das Marés
Nautilus wins against Fizz 57.38% of the time which is 5.10% lower against Fizz than the average opponent.
After normalising both champions win rates Nautilus wins against Fizz 4.38% less often than would be expected.
The average opponent winrate against Fizz is 62.48%.


Camille
a Sombra de Aço
Nautilus wins against Camille 57.66% of the time which is 1.44% higher against Camille than the average opponent.
After normalising both champions win rates Nautilus wins against Camille 2.19% more often than would be expected.
The average opponent winrate against Camille is 56.22%.


Quinn
as Asas de Demacia
Nautilus wins against Quinn 57.79% of the time which is 0.22% higher against Quinn than the average opponent.
After normalising both champions win rates Nautilus wins against Quinn 0.96% more often than would be expected.
The average opponent winrate against Quinn is 57.57%.


Garen
o Poder de Demacia
Nautilus wins against Garen 57.93% of the time which is 0.37% lower against Garen than the average opponent.
After normalising both champions win rates Nautilus wins against Garen 0.37% more often than would be expected.
The average opponent winrate against Garen is 58.30%.


Aurelion Sol
o Forjador de Estrelas
Nautilus wins against Aurelion Sol 58.39% of the time which is 0.75% higher against Aurelion Sol than the average opponent.
After normalising both champions win rates Nautilus wins against Aurelion Sol 1.49% more often than would be expected.
The average opponent winrate against Aurelion Sol is 57.64%.


Twitch
o Semeador da Peste
Nautilus wins against Twitch 59.94% of the time which is 1.54% higher against Twitch than the average opponent.
After normalising both champions win rates Nautilus wins against Twitch 2.28% more often than would be expected.
The average opponent winrate against Twitch is 58.40%.


Twisted Fate
o Mestre das Cartas
Nautilus wins against Twisted Fate 64.81% of the time which is 4.19% higher against Twisted Fate than the average opponent.
After normalising both champions win rates Nautilus wins against Twisted Fate 4.92% more often than would be expected.
The average opponent winrate against Twisted Fate is 60.62%.


Riven
a Exilada
Nautilus wins against Riven 66.47% of the time which is 6.15% higher against Riven than the average opponent.
After normalising both champions win rates Nautilus wins against Riven 6.88% more often than would be expected.
The average opponent winrate against Riven is 60.32%.