

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.
Emerald+ Champions Analysed: 9,553,294
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 jungle vs jungle Counters
Olaf jungle on Patch 15.12 is the strongest counter to jungle champions of Diana, Xin Zhao & Jarvan IV. While Olaf jungle is countered most by jungle champions of Kayn, Nocturne & Lee Sin. Below is a detailed breakdown of Olaf jungle counters against jungle champions with a minimum of 100 games.


Kayn
the Shadow Reaper
Olaf wins against Kayn 43.40% of the time which is 5.30% lower against Kayn than the average opponent.
After normalising both champions win rates Olaf wins against Kayn 9.39% less often than would be expected.
The average opponent winrate against Kayn is 48.70%.


Nocturne
the Eternal Nightmare
Olaf wins against Nocturne 48.15% of the time which is 0.59% higher against Nocturne than the average opponent.
After normalising both champions win rates Olaf wins against Nocturne 3.50% less often than would be expected.
The average opponent winrate against Nocturne is 47.56%.


Lee Sin
the Blind Monk
Olaf wins against Lee Sin 51.11% of the time which is 2.75% higher against Lee Sin than the average opponent.
After normalising both champions win rates Olaf wins against Lee Sin 1.34% less often than would be expected.
The average opponent winrate against Lee Sin is 48.36%.


Pantheon
the Unbreakable Spear
Olaf wins against Pantheon 52.38% of the time which is 3.68% higher against Pantheon than the average opponent.
After normalising both champions win rates Olaf wins against Pantheon 0.41% less often than would be expected.
The average opponent winrate against Pantheon is 48.70%.


Viego
The Ruined King
Olaf wins against Viego 57.01% of the time which is 7.05% higher against Viego than the average opponent.
After normalising both champions win rates Olaf wins against Viego 2.96% more often than would be expected.
The average opponent winrate against Viego is 49.96%.


Jarvan IV
the Exemplar of Demacia
Olaf wins against Jarvan IV 57.05% of the time which is 9.93% higher against Jarvan IV than the average opponent.
After normalising both champions win rates Olaf wins against Jarvan IV 5.84% more often than would be expected.
The average opponent winrate against Jarvan IV is 47.12%.


Xin Zhao
the Seneschal of Demacia
Olaf wins against Xin Zhao 57.84% of the time which is 9.67% higher against Xin Zhao than the average opponent.
After normalising both champions win rates Olaf wins against Xin Zhao 5.58% more often than would be expected.
The average opponent winrate against Xin Zhao is 48.17%.


Diana
Scorn of the Moon
Olaf wins against Diana 62.60% of the time which is 14.35% higher against Diana than the average opponent.
After normalising both champions win rates Olaf wins against Diana 10.26% more often than would be expected.
The average opponent winrate against Diana is 48.25%.