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: 157,535
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 14.20 to determine the strongest jungle counters. A matchup requires a minimum of 100 games to be displayed.
Lee Sin
o Monge Cego
Orianna wins against Lee Sin 54.60% of the time which is 12.29% higher against Lee Sin than the average opponent.
After normalising both champions win rates Orianna wins against Lee Sin 0.79% less often than would be expected.
The average opponent winrate against Lee Sinis 42.31%.
Graves
o Foragido
Orianna wins against Graves 55.87% of the time which is 12.07% higher against Graves than the average opponent.
After normalising both champions win rates Orianna wins against Graves 1.04% less often than would be expected.
The average opponent winrate against Gravesis 43.80%.
Viego
O Rei Destruído
Orianna wins against Viego 57.14% of the time which is 13.17% higher against Viego than the average opponent.
After normalising both champions win rates Orianna wins against Viego 0.06% more often than would be expected.
The average opponent winrate against Viegois 43.97%.