

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: 226,931
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 support Counters
Presently there is insufficent games played by Orianna middle on Patch 15.16 to determine the strongest support counters. A matchup requires a minimum of 100 games to be displayed.


Alistar
el Minotauro
Orianna wins against Alistar 46.73% of the time which is 1.08% higher against Alistar than the average opponent.
After normalising both champions win rates Orianna wins against Alistar 7.52% less often than would be expected.
The average opponent winrate against Alistar is 45.65%.


Karma
la Iluminada
Orianna wins against Karma 51.49% of the time which is 4.38% higher against Karma than the average opponent.
After normalising both champions win rates Orianna wins against Karma 4.23% less often than would be expected.
The average opponent winrate against Karma is 47.11%.


Nami
la Invocadora de Mareas
Orianna wins against Nami 55.08% of the time which is 10.31% higher against Nami than the average opponent.
After normalising both champions win rates Orianna wins against Nami 1.71% more often than would be expected.
The average opponent winrate against Nami is 44.77%.


Lulu
La Hechicera Hadística
Orianna wins against Lulu 56.49% of the time which is 9.92% higher against Lulu than the average opponent.
After normalising both champions win rates Orianna wins against Lulu 1.31% more often than would be expected.
The average opponent winrate against Lulu is 46.57%.


Nautilus
el Titán de las Profundidades
Orianna wins against Nautilus 68.22% of the time which is 19.55% higher against Nautilus than the average opponent.
After normalising both champions win rates Orianna wins against Nautilus 10.94% more often than would be expected.
The average opponent winrate against Nautilus is 48.67%.