

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.
Emerald Champions Analysed: 432,424
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 top Counters
Presently there is insufficent games played by Orianna middle on Patch 15.18 to determine the strongest top counters. A matchup requires a minimum of 100 games to be displayed.


Garen
The Might of Demacia
Orianna wins against Garen 39.60% of the time which is 7.88% lower against Garen than the average opponent.
After normalising both champions win rates Orianna wins against Garen 5.37% less often than would be expected.
The average opponent winrate against Garen is 47.48%.


Darius
the Hand of Noxus
Orianna wins against Darius 47.83% of the time which is 3.37% lower against Darius than the average opponent.
After normalising both champions win rates Orianna wins against Darius 0.84% less often than would be expected.
The average opponent winrate against Darius is 51.20%.


Jax
Grandmaster at Arms
Orianna wins against Jax 49.59% of the time which is 2.00% lower against Jax than the average opponent.
After normalising both champions win rates Orianna wins against Jax 0.53% more often than would be expected.
The average opponent winrate against Jax is 51.59%.


Aatrox
the Darkin Blade
Orianna wins against Aatrox 50.57% of the time which is 0.14% higher against Aatrox than the average opponent.
After normalising both champions win rates Orianna wins against Aatrox 2.67% more often than would be expected.
The average opponent winrate against Aatrox is 50.43%.