

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: 5,730,990
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 top vs jungle Counters
Presently there is insufficent games played by Master Yi top on Patch 15.16 to determine the strongest jungle counters. A matchup requires a minimum of 100 games to be displayed.


Viego
The Ruined King
Master Yi wins against Viego 35.45% of the time which is 18.44% lower against Viego than the average opponent.
After normalising both champions win rates Master Yi wins against Viego 6.33% less often than would be expected.
The average opponent winrate against Viego is 53.89%.


Kayn
the Shadow Reaper
Master Yi wins against Kayn 37.29% of the time which is 17.05% lower against Kayn than the average opponent.
After normalising both champions win rates Master Yi wins against Kayn 4.94% less often than would be expected.
The average opponent winrate against Kayn is 54.34%.


Warwick
the Uncaged Wrath of Zaun
Master Yi wins against Warwick 38.12% of the time which is 13.41% lower against Warwick than the average opponent.
After normalising both champions win rates Master Yi wins against Warwick 1.32% less often than would be expected.
The average opponent winrate against Warwick is 51.53%.


Volibear
the Relentless Storm
Master Yi wins against Volibear 45.28% of the time which is 6.26% lower against Volibear than the average opponent.
After normalising both champions win rates Master Yi wins against Volibear 5.83% more often than would be expected.
The average opponent winrate against Volibear is 51.54%.