

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: 15,964,870
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 middle vs middle Counters
Presently there is insufficent games played by Riven middle on Patch 15.17 to determine the strongest middle counters. A matchup requires a minimum of 100 games to be displayed.


Zed
the Master of Shadows
Riven wins against Zed 50.00% of the time which is 1.26% lower against Zed than the average opponent.
After normalising both champions win rates Riven wins against Zed 2.21% less often than would be expected.
The average opponent winrate against Zed is 51.26%.


Yone
the Unforgotten
Riven wins against Yone 53.08% of the time which is 1.08% higher against Yone than the average opponent.
After normalising both champions win rates Riven wins against Yone 0.13% more often than would be expected.
The average opponent winrate against Yone is 52.00%.


Akali
the Rogue Assassin
Riven wins against Akali 53.51% of the time which is 3.32% higher against Akali than the average opponent.
After normalising both champions win rates Riven wins against Akali 2.37% more often than would be expected.
The average opponent winrate against Akali is 50.19%.


Katarina
the Sinister Blade
Riven wins against Katarina 54.39% of the time which is 3.59% higher against Katarina than the average opponent.
After normalising both champions win rates Riven wins against Katarina 2.64% more often than would be expected.
The average opponent winrate against Katarina is 50.80%.


Yasuo
the Unforgiven
Riven wins against Yasuo 55.56% of the time which is 5.47% higher against Yasuo than the average opponent.
After normalising both champions win rates Riven wins against Yasuo 4.52% more often than would be expected.
The average opponent winrate against Yasuo is 50.09%.