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: 56,349,720
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 jungle vs jungle Counters
Presently there is insufficent games played by Riven jungle on Patch 14.10 to determine the strongest jungle counters. A matchup requires a minimum of 100 games to be displayed.
Karthus
the Deathsinger
Riven wins against Karthus 32.00% of the time which is 16.19% lower against Karthus than the average opponent.
After normalising both champions win rates Riven wins against Karthus 6.25% less often than would be expected.
The average opponent winrate against Karthusis 48.19%.
Viego
The Ruined King
Riven wins against Viego 40.74% of the time which is 8.61% lower against Viego than the average opponent.
After normalising both champions win rates Riven wins against Viego 1.39% more often than would be expected.
The average opponent winrate against Viegois 49.35%.
Lee Sin
the Blind Monk
Riven wins against Lee Sin 44.13% of the time which is 8.46% lower against Lee Sin than the average opponent.
After normalising both champions win rates Riven wins against Lee Sin 1.65% more often than would be expected.
The average opponent winrate against Lee Sinis 52.59%.
Master Yi
the Wuju Bladesman
Riven wins against Master Yi 45.22% of the time which is 6.64% lower against Master Yi than the average opponent.
After normalising both champions win rates Riven wins against Master Yi 3.45% more often than would be expected.
The average opponent winrate against Master Yiis 51.86%.