

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.
Diamond+ Champions Analysed: 670,026
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 15.17 to determine the strongest middle counters. A matchup requires a minimum of 100 games to be displayed.


Katarina
the Sinister Blade
Riven wins against Katarina 52.34% of the time which is 3.62% higher against Katarina than the average opponent.
After normalising both champions win rates Riven wins against Katarina 0.41% less often than would be expected.
The average opponent winrate against Katarina is 48.72%.


Orianna
the Lady of Clockwork
Riven wins against Orianna 54.39% of the time which is 4.70% higher against Orianna than the average opponent.
After normalising both champions win rates Riven wins against Orianna 0.67% more often than would be expected.
The average opponent winrate against Orianna is 49.69%.


Zed
the Master of Shadows
Riven wins against Zed 56.60% of the time which is 6.47% higher against Zed than the average opponent.
After normalising both champions win rates Riven wins against Zed 2.44% more often than would be expected.
The average opponent winrate against Zed is 50.13%.


Ahri
the Nine-Tailed Fox
Riven wins against Ahri 64.08% of the time which is 13.64% higher against Ahri than the average opponent.
After normalising both champions win rates Riven wins against Ahri 9.61% more often than would be expected.
The average opponent winrate against Ahri is 50.44%.