

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.
Iron Champions Analysed: 1,491,647
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.


Olaf Counters
Olaf top vs jungle Counters
Olaf top on Patch 15.18 is the strongest counter to jungle champions of Warwick, Briar & Master Yi. While Olaf top is countered most by jungle champions of Viego, Lee Sin & Volibear. Below is a detailed breakdown of Olaf top counters against jungle champions with a minimum of 100 games.


Viego
The Ruined King
Olaf wins against Viego 38.46% of the time which is 13.77% lower against Viego than the average opponent.
After normalising both champions win rates Olaf wins against Viego 8.21% less often than would be expected.
The average opponent winrate against Viego is 52.23%.


Lee Sin
the Blind Monk
Olaf wins against Lee Sin 43.56% of the time which is 11.74% lower against Lee Sin than the average opponent.
After normalising both champions win rates Olaf wins against Lee Sin 6.19% less often than would be expected.
The average opponent winrate against Lee Sin is 55.30%.


Volibear
the Relentless Storm
Olaf wins against Volibear 44.06% of the time which is 6.45% lower against Volibear than the average opponent.
After normalising both champions win rates Olaf wins against Volibear 0.89% less often than would be expected.
The average opponent winrate against Volibear is 50.51%.


Kayn
the Shadow Reaper
Olaf wins against Kayn 45.12% of the time which is 6.92% lower against Kayn than the average opponent.
After normalising both champions win rates Olaf wins against Kayn 1.36% less often than would be expected.
The average opponent winrate against Kayn is 52.04%.


Master Yi
the Wuju Bladesman
Olaf wins against Master Yi 45.70% of the time which is 5.94% lower against Master Yi than the average opponent.
After normalising both champions win rates Olaf wins against Master Yi 0.38% less often than would be expected.
The average opponent winrate against Master Yi is 51.64%.


Briar
the Restrained Hunger
Olaf wins against Briar 47.17% of the time which is 2.94% lower against Briar than the average opponent.
After normalising both champions win rates Olaf wins against Briar 2.62% more often than would be expected.
The average opponent winrate against Briar is 50.11%.


Warwick
the Uncaged Wrath of Zaun
Olaf wins against Warwick 51.28% of the time which is 1.23% higher against Warwick than the average opponent.
After normalising both champions win rates Olaf wins against Warwick 6.79% more often than would be expected.
The average opponent winrate against Warwick is 50.05%.