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: 256,290
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 middle Counters
Presently there is insufficent games played by Orianna middle on Patch 14.23 to determine the strongest middle counters. A matchup requires a minimum of 100 games to be displayed.
Sylas
the Unshackled
Orianna wins against Sylas 47.37% of the time which is 0.37% higher against Sylas than the average opponent.
After normalising both champions win rates Orianna wins against Sylas 6.56% less often than would be expected.
The average opponent winrate against Sylasis 47.00%.
Ahri
the Nine-Tailed Fox
Orianna wins against Ahri 52.54% of the time which is 7.60% higher against Ahri than the average opponent.
After normalising both champions win rates Orianna wins against Ahri 0.68% more often than would be expected.
The average opponent winrate against Ahriis 44.94%.
Yone
the Unforgotten
Orianna wins against Yone 54.81% of the time which is 7.31% higher against Yone than the average opponent.
After normalising both champions win rates Orianna wins against Yone 0.38% more often than would be expected.
The average opponent winrate against Yoneis 47.50%.