

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: 1,321,827
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.


Master Yi Counters
Master Yi jungle vs jungle Counters
Master Yi jungle on Patch 15.7 is the strongest counter to jungle champions of Nidalee, Zed & Gwen. While Master Yi jungle is countered most by jungle champions of Dr. Mundo, Rammus & Yorick. Below is a detailed breakdown of Master Yi jungle counters against jungle champions with a minimum of 100 games.


Dr. Mundo
the Madman of Zaun
Master Yi wins against Dr. Mundo 35.83% of the time which is 12.43% lower against Dr. Mundo than the average opponent.
After normalising both champions win rates Master Yi wins against Dr. Mundo 8.68% less often than would be expected.
The average opponent winrate against Dr. Mundo is 48.26%.


Rammus
the Armordillo
Master Yi wins against Rammus 38.11% of the time which is 11.30% lower against Rammus than the average opponent.
After normalising both champions win rates Master Yi wins against Rammus 7.55% less often than would be expected.
The average opponent winrate against Rammus is 49.41%.


Yorick
Shepherd of Souls
Master Yi wins against Yorick 40.82% of the time which is 2.01% lower against Yorick than the average opponent.
After normalising both champions win rates Master Yi wins against Yorick 1.70% more often than would be expected.
The average opponent winrate against Yorick is 42.83%.


Shyvana
the Half-Dragon
Master Yi wins against Shyvana 42.19% of the time which is 7.16% lower against Shyvana than the average opponent.
After normalising both champions win rates Master Yi wins against Shyvana 3.41% less often than would be expected.
The average opponent winrate against Shyvana is 49.35%.


Warwick
the Uncaged Wrath of Zaun
Master Yi wins against Warwick 43.10% of the time which is 6.13% lower against Warwick than the average opponent.
After normalising both champions win rates Master Yi wins against Warwick 2.38% less often than would be expected.
The average opponent winrate against Warwick is 49.23%.


Jax
Grandmaster at Arms
Master Yi wins against Jax 43.94% of the time which is 7.03% lower against Jax than the average opponent.
After normalising both champions win rates Master Yi wins against Jax 3.28% less often than would be expected.
The average opponent winrate against Jax is 50.97%.


Trundle
the Troll King
Master Yi wins against Trundle 44.03% of the time which is 6.48% lower against Trundle than the average opponent.
After normalising both champions win rates Master Yi wins against Trundle 2.73% less often than would be expected.
The average opponent winrate against Trundle is 50.51%.


Talon
the Blade's Shadow
Master Yi wins against Talon 44.23% of the time which is 12.73% lower against Talon than the average opponent.
After normalising both champions win rates Master Yi wins against Talon 9.00% less often than would be expected.
The average opponent winrate against Talon is 56.96%.


Pantheon
the Unbreakable Spear
Master Yi wins against Pantheon 44.33% of the time which is 9.09% lower against Pantheon than the average opponent.
After normalising both champions win rates Master Yi wins against Pantheon 5.34% less often than would be expected.
The average opponent winrate against Pantheon is 53.42%.


Graves
the Outlaw
Master Yi wins against Graves 44.44% of the time which is 8.24% lower against Graves than the average opponent.
After normalising both champions win rates Master Yi wins against Graves 4.49% less often than would be expected.
The average opponent winrate against Graves is 52.68%.


Sejuani
Fury of the North
Master Yi wins against Sejuani 44.64% of the time which is 7.17% lower against Sejuani than the average opponent.
After normalising both champions win rates Master Yi wins against Sejuani 3.42% less often than would be expected.
The average opponent winrate against Sejuani is 51.81%.


Lillia
the Bashful Bloom
Master Yi wins against Lillia 45.05% of the time which is 5.29% lower against Lillia than the average opponent.
After normalising both champions win rates Master Yi wins against Lillia 1.54% less often than would be expected.
The average opponent winrate against Lillia is 50.34%.


Naafiri
the Hound of a Hundred Bites
Master Yi wins against Naafiri 45.06% of the time which is 5.44% lower against Naafiri than the average opponent.
After normalising both champions win rates Master Yi wins against Naafiri 1.69% less often than would be expected.
The average opponent winrate against Naafiri is 50.50%.


Amumu
the Sad Mummy
Master Yi wins against Amumu 45.73% of the time which is 3.79% lower against Amumu than the average opponent.
After normalising both champions win rates Master Yi wins against Amumu 0.04% less often than would be expected.
The average opponent winrate against Amumu is 49.52%.


Jarvan IV
the Exemplar of Demacia
Master Yi wins against Jarvan IV 45.77% of the time which is 7.38% lower against Jarvan IV than the average opponent.
After normalising both champions win rates Master Yi wins against Jarvan IV 3.63% less often than would be expected.
The average opponent winrate against Jarvan IV is 53.15%.


Briar
the Restrained Hunger
Master Yi wins against Briar 45.78% of the time which is 2.97% lower against Briar than the average opponent.
After normalising both champions win rates Master Yi wins against Briar 0.78% more often than would be expected.
The average opponent winrate against Briar is 48.75%.


Volibear
the Relentless Storm
Master Yi wins against Volibear 46.11% of the time which is 3.67% lower against Volibear than the average opponent.
After normalising both champions win rates Master Yi wins against Volibear 0.08% more often than would be expected.
The average opponent winrate against Volibear is 49.78%.


Tryndamere
the Barbarian King
Master Yi wins against Tryndamere 46.73% of the time which is 5.62% lower against Tryndamere than the average opponent.
After normalising both champions win rates Master Yi wins against Tryndamere 1.87% less often than would be expected.
The average opponent winrate against Tryndamere is 52.35%.


Ekko
the Boy Who Shattered Time
Master Yi wins against Ekko 46.88% of the time which is 7.26% lower against Ekko than the average opponent.
After normalising both champions win rates Master Yi wins against Ekko 3.52% less often than would be expected.
The average opponent winrate against Ekko is 54.14%.


Evelynn
Agony's Embrace
Master Yi wins against Evelynn 47.21% of the time which is 9.43% lower against Evelynn than the average opponent.
After normalising both champions win rates Master Yi wins against Evelynn 5.70% less often than would be expected.
The average opponent winrate against Evelynn is 56.64%.


Nocturne
the Eternal Nightmare
Master Yi wins against Nocturne 47.42% of the time which is 2.42% lower against Nocturne than the average opponent.
After normalising both champions win rates Master Yi wins against Nocturne 1.33% more often than would be expected.
The average opponent winrate against Nocturne is 49.84%.


Zac
the Secret Weapon
Master Yi wins against Zac 47.66% of the time which is 6.57% lower against Zac than the average opponent.
After normalising both champions win rates Master Yi wins against Zac 2.83% less often than would be expected.
The average opponent winrate against Zac is 54.23%.


Udyr
the Spirit Walker
Master Yi wins against Udyr 47.71% of the time which is 5.71% lower against Udyr than the average opponent.
After normalising both champions win rates Master Yi wins against Udyr 1.96% less often than would be expected.
The average opponent winrate against Udyr is 53.42%.


Shaco
the Demon Jester
Master Yi wins against Shaco 48.45% of the time which is 5.87% lower against Shaco than the average opponent.
After normalising both champions win rates Master Yi wins against Shaco 2.13% less often than would be expected.
The average opponent winrate against Shaco is 54.32%.


Viego
The Ruined King
Master Yi wins against Viego 48.87% of the time which is 3.67% lower against Viego than the average opponent.
After normalising both champions win rates Master Yi wins against Viego 0.08% more often than would be expected.
The average opponent winrate against Viego is 52.54%.


Darius
the Hand of Noxus
Master Yi wins against Darius 49.24% of the time which is 4.42% lower against Darius than the average opponent.
After normalising both champions win rates Master Yi wins against Darius 0.67% less often than would be expected.
The average opponent winrate against Darius is 53.66%.


Diana
Scorn of the Moon
Master Yi wins against Diana 49.51% of the time which is 1.66% lower against Diana than the average opponent.
After normalising both champions win rates Master Yi wins against Diana 2.09% more often than would be expected.
The average opponent winrate against Diana is 51.17%.


Kayn
the Shadow Reaper
Master Yi wins against Kayn 49.62% of the time which is 2.29% lower against Kayn than the average opponent.
After normalising both champions win rates Master Yi wins against Kayn 1.46% more often than would be expected.
The average opponent winrate against Kayn is 51.91%.


Wukong
the Monkey King
Master Yi wins against Wukong 49.66% of the time which is 2.62% lower against Wukong than the average opponent.
After normalising both champions win rates Master Yi wins against Wukong 1.13% more often than would be expected.
The average opponent winrate against Wukong is 52.28%.


Lee Sin
the Blind Monk
Master Yi wins against Lee Sin 49.69% of the time which is 6.74% lower against Lee Sin than the average opponent.
After normalising both champions win rates Master Yi wins against Lee Sin 3.01% less often than would be expected.
The average opponent winrate against Lee Sin is 56.43%.


Xin Zhao
the Seneschal of Demacia
Master Yi wins against Xin Zhao 50.41% of the time which is 2.28% lower against Xin Zhao than the average opponent.
After normalising both champions win rates Master Yi wins against Xin Zhao 1.47% more often than would be expected.
The average opponent winrate against Xin Zhao is 52.69%.


Vi
the Piltover Enforcer
Master Yi wins against Vi 50.62% of the time which is 1.15% lower against Vi than the average opponent.
After normalising both champions win rates Master Yi wins against Vi 2.60% more often than would be expected.
The average opponent winrate against Vi is 51.77%.


Garen
The Might of Demacia
Master Yi wins against Garen 51.04% of the time which is 3.26% lower against Garen than the average opponent.
After normalising both champions win rates Master Yi wins against Garen 0.48% more often than would be expected.
The average opponent winrate against Garen is 54.30%.


Nunu & Willump
the Boy and His Yeti
Master Yi wins against Nunu & Willump 51.44% of the time which is 1.79% lower against Nunu & Willump than the average opponent.
After normalising both champions win rates Master Yi wins against Nunu & Willump 1.96% more often than would be expected.
The average opponent winrate against Nunu & Willump is 53.23%.


Rengar
the Pridestalker
Master Yi wins against Rengar 51.83% of the time which is 7.32% lower against Rengar than the average opponent.
After normalising both champions win rates Master Yi wins against Rengar 3.61% less often than would be expected.
The average opponent winrate against Rengar is 59.15%.


Fiddlesticks
the Ancient Fear
Master Yi wins against Fiddlesticks 53.33% of the time which is 0.33% lower against Fiddlesticks than the average opponent.
After normalising both champions win rates Master Yi wins against Fiddlesticks 3.42% more often than would be expected.
The average opponent winrate against Fiddlesticks is 53.66%.


Kha'Zix
the Voidreaver
Master Yi wins against Kha'Zix 54.26% of the time which is 0.66% lower against Kha'Zix than the average opponent.
After normalising both champions win rates Master Yi wins against Kha'Zix 3.08% more often than would be expected.
The average opponent winrate against Kha'Zix is 54.92%.


Teemo
the Swift Scout
Master Yi wins against Teemo 54.86% of the time which is 4.26% higher against Teemo than the average opponent.
After normalising both champions win rates Master Yi wins against Teemo 8.01% more often than would be expected.
The average opponent winrate against Teemo is 50.60%.


Kindred
The Eternal Hunters
Master Yi wins against Kindred 55.12% of the time which is 1.47% lower against Kindred than the average opponent.
After normalising both champions win rates Master Yi wins against Kindred 2.26% more often than would be expected.
The average opponent winrate against Kindred is 56.59%.


Hecarim
the Shadow of War
Master Yi wins against Hecarim 55.17% of the time which is 1.18% higher against Hecarim than the average opponent.
After normalising both champions win rates Master Yi wins against Hecarim 4.92% more often than would be expected.
The average opponent winrate against Hecarim is 53.99%.


Gwen
The Hallowed Seamstress
Master Yi wins against Gwen 58.67% of the time which is 3.50% higher against Gwen than the average opponent.
After normalising both champions win rates Master Yi wins against Gwen 7.24% more often than would be expected.
The average opponent winrate against Gwen is 55.17%.


Zed
the Master of Shadows
Master Yi wins against Zed 59.06% of the time which is 5.31% higher against Zed than the average opponent.
After normalising both champions win rates Master Yi wins against Zed 9.05% more often than would be expected.
The average opponent winrate against Zed is 53.75%.


Nidalee
the Bestial Huntress
Master Yi wins against Nidalee 59.43% of the time which is 0.94% lower against Nidalee than the average opponent.
After normalising both champions win rates Master Yi wins against Nidalee 2.75% more often than would be expected.
The average opponent winrate against Nidalee is 60.37%.