

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: 354,701
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.


Orianna Counters
Orianna middle vs jungle Counters
Presently there is insufficent games played by Orianna middle on Patch 15.8 to determine the strongest jungle counters. A matchup requires a minimum of 100 games to be displayed.


Vi
Cogne de Piltover
Orianna wins against Vi 45.54% of the time which is 0.62% lower against Vi than the average opponent.
After normalising both champions win rates Orianna wins against Vi 8.54% less often than would be expected.
The average opponent winrate against Vi is 46.16%.


Naafiri
la meute de fer
Orianna wins against Naafiri 50.88% of the time which is 4.56% higher against Naafiri than the average opponent.
After normalising both champions win rates Orianna wins against Naafiri 3.36% less often than would be expected.
The average opponent winrate against Naafiri is 46.32%.


Viego
Roi déchu
Orianna wins against Viego 56.68% of the time which is 11.43% higher against Viego than the average opponent.
After normalising both champions win rates Orianna wins against Viego 3.52% more often than would be expected.
The average opponent winrate against Viego is 45.25%.