

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.
Master+ Champions Analysed: 829,690
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
Presently there is insufficent games played by Master Yi jungle on Patch 7 to determine the strongest jungle counters. A matchup requires a minimum of 100 games to be displayed.


Pantheon
the Unbreakable Spear
Master Yi wins against Pantheon 39.13% of the time which is 10.24% lower against Pantheon than the average opponent.
After normalising both champions win rates Master Yi wins against Pantheon 13.13% less often than would be expected.
The average opponent winrate against Pantheon is 49.37%.


Lee Sin
the Blind Monk
Master Yi wins against Lee Sin 48.75% of the time which is 0.40% higher against Lee Sin than the average opponent.
After normalising both champions win rates Master Yi wins against Lee Sin 2.49% less often than would be expected.
The average opponent winrate against Lee Sin is 48.35%.


Jarvan IV
the Exemplar of Demacia
Master Yi wins against Jarvan IV 54.92% of the time which is 5.70% higher against Jarvan IV than the average opponent.
After normalising both champions win rates Master Yi wins against Jarvan IV 2.81% more often than would be expected.
The average opponent winrate against Jarvan IV is 49.22%.


Viego
The Ruined King
Master Yi wins against Viego 55.81% of the time which is 4.64% higher against Viego than the average opponent.
After normalising both champions win rates Master Yi wins against Viego 1.75% more often than would be expected.
The average opponent winrate against Viego is 51.17%.