

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.
Gold Champions Analysed: 17,055,716
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 support vs jungle Counters
Presently there is insufficent games played by Orianna support on Patch 15.16 to determine the strongest jungle counters. A matchup requires a minimum of 100 games to be displayed.


Sylas
the Unshackled
Orianna wins against Sylas 49.51% of the time which is 2.19% lower against Sylas than the average opponent.
After normalising both champions win rates Orianna wins against Sylas 0.92% less often than would be expected.
The average opponent winrate against Sylas is 51.70%.


Master Yi
the Wuju Bladesman
Orianna wins against Master Yi 51.69% of the time which is 4.17% higher against Master Yi than the average opponent.
After normalising both champions win rates Orianna wins against Master Yi 5.43% more often than would be expected.
The average opponent winrate against Master Yi is 47.52%.


Viego
The Ruined King
Orianna wins against Viego 52.00% of the time which is 2.98% higher against Viego than the average opponent.
After normalising both champions win rates Orianna wins against Viego 4.25% more often than would be expected.
The average opponent winrate against Viego is 49.02%.


Kayn
the Shadow Reaper
Orianna wins against Kayn 55.88% of the time which is 7.27% higher against Kayn than the average opponent.
After normalising both champions win rates Orianna wins against Kayn 8.54% more often than would be expected.
The average opponent winrate against Kayn is 48.61%.