

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: 642,513
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.


Riven Counters
Riven top vs middle Counters
Presently there is insufficent games played by Riven top on Patch 7 to determine the strongest middle counters. A matchup requires a minimum of 100 games to be displayed.


Orianna
the Lady of Clockwork
Riven wins against Orianna 44.63% of the time which is 4.88% lower against Orianna than the average opponent.
After normalising both champions win rates Riven wins against Orianna 5.31% less often than would be expected.
The average opponent winrate against Orianna is 49.51%.


Sylas
the Unshackled
Riven wins against Sylas 50.00% of the time which is 0.51% higher against Sylas than the average opponent.
After normalising both champions win rates Riven wins against Sylas 0.08% more often than would be expected.
The average opponent winrate against Sylas is 49.49%.


Ahri
the Nine-Tailed Fox
Riven wins against Ahri 51.64% of the time which is 1.15% higher against Ahri than the average opponent.
After normalising both champions win rates Riven wins against Ahri 0.72% more often than would be expected.
The average opponent winrate against Ahri is 50.49%.