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.
Grandmaster Champions Analysed: 709,963
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 30 to determine the strongest jungle counters. A matchup requires a minimum of 100 games to be displayed.
Kha'Zix
the Voidreaver
Master Yi wins against Kha'Zix 50.00% of the time which is 5.48% higher against Kha'Zix than the average opponent.
After normalising both champions win rates Master Yi wins against Kha'Zix 3.06% less often than would be expected.
The average opponent winrate against Kha'Zixis 44.52%.
Viego
The Ruined King
Master Yi wins against Viego 55.12% of the time which is 8.66% higher against Viego than the average opponent.
After normalising both champions win rates Master Yi wins against Viego 0.11% more often than would be expected.
The average opponent winrate against Viegois 46.46%.
Lee Sin
the Blind Monk
Master Yi wins against Lee Sin 60.29% of the time which is 13.62% higher against Lee Sin than the average opponent.
After normalising both champions win rates Master Yi wins against Lee Sin 5.07% more often than would be expected.
The average opponent winrate against Lee Sinis 46.67%.