

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.
All Ranks Champions Analysed: 118,041,050
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 top vs top Counters
Orianna top on Patch 15.3 is the strongest counter to top champions of Heimerdinger, Teemo & Garen. While Orianna top is countered most by top champions of Cassiopeia, Sett & Vladimir. Below is a detailed breakdown of Orianna top counters against top champions with a minimum of 100 games.


Cassiopeia
the Serpent's Embrace
Orianna wins against Cassiopeia 43.14% of the time which is 5.90% lower against Cassiopeia than the average opponent.
After normalising both champions win rates Orianna wins against Cassiopeia 4.80% less often than would be expected.
The average opponent winrate against Cassiopeia is 49.04%.


Sett
the Boss
Orianna wins against Sett 45.37% of the time which is 2.43% lower against Sett than the average opponent.
After normalising both champions win rates Orianna wins against Sett 1.33% less often than would be expected.
The average opponent winrate against Sett is 47.80%.


Vladimir
the Crimson Reaper
Orianna wins against Vladimir 47.69% of the time which is 3.60% lower against Vladimir than the average opponent.
After normalising both champions win rates Orianna wins against Vladimir 2.50% less often than would be expected.
The average opponent winrate against Vladimir is 51.29%.


Darius
the Hand of Noxus
Orianna wins against Darius 50.00% of the time which is 0.14% lower against Darius than the average opponent.
After normalising both champions win rates Orianna wins against Darius 0.96% more often than would be expected.
The average opponent winrate against Darius is 50.14%.


Vayne
the Night Hunter
Orianna wins against Vayne 52.10% of the time which is 2.33% higher against Vayne than the average opponent.
After normalising both champions win rates Orianna wins against Vayne 3.43% more often than would be expected.
The average opponent winrate against Vayne is 49.77%.


Mordekaiser
the Iron Revenant
Orianna wins against Mordekaiser 52.48% of the time which is 4.08% higher against Mordekaiser than the average opponent.
After normalising both champions win rates Orianna wins against Mordekaiser 5.18% more often than would be expected.
The average opponent winrate against Mordekaiser is 48.40%.


Garen
The Might of Demacia
Orianna wins against Garen 53.73% of the time which is 5.05% higher against Garen than the average opponent.
After normalising both champions win rates Orianna wins against Garen 6.15% more often than would be expected.
The average opponent winrate against Garen is 48.68%.


Teemo
the Swift Scout
Orianna wins against Teemo 54.93% of the time which is 6.52% higher against Teemo than the average opponent.
After normalising both champions win rates Orianna wins against Teemo 7.62% more often than would be expected.
The average opponent winrate against Teemo is 48.41%.


Heimerdinger
the Revered Inventor
Orianna wins against Heimerdinger 58.23% of the time which is 10.02% higher against Heimerdinger than the average opponent.
After normalising both champions win rates Orianna wins against Heimerdinger 11.12% more often than would be expected.
The average opponent winrate against Heimerdinger is 48.21%.