

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: 13,845,630
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 30 is the strongest counter to jungle champions of Nocturne, Graves & Diana. While Olaf jungle is countered most by jungle champions of Naafiri, Fiddlesticks & Gwen. Below is a detailed breakdown of Olaf jungle counters against jungle champions with a minimum of 100 games.


Naafiri
the Hound of a Hundred Bites
Olaf wins against Naafiri 40.65% of the time which is 4.86% lower against Naafiri than the average opponent.
After normalising both champions win rates Olaf wins against Naafiri 10.84% less often than would be expected.
The average opponent winrate against Naafiri is 45.51%.


Fiddlesticks
the Ancient Fear
Olaf wins against Fiddlesticks 46.43% of the time which is 0.77% higher against Fiddlesticks than the average opponent.
After normalising both champions win rates Olaf wins against Fiddlesticks 5.21% less often than would be expected.
The average opponent winrate against Fiddlesticks is 45.66%.


Gwen
The Hallowed Seamstress
Olaf wins against Gwen 46.79% of the time which is 0.77% higher against Gwen than the average opponent.
After normalising both champions win rates Olaf wins against Gwen 5.21% less often than would be expected.
The average opponent winrate against Gwen is 46.02%.


Kayn
the Shadow Reaper
Olaf wins against Kayn 49.04% of the time which is 1.66% higher against Kayn than the average opponent.
After normalising both champions win rates Olaf wins against Kayn 4.32% less often than would be expected.
The average opponent winrate against Kayn is 47.38%.


Jarvan IV
the Exemplar of Demacia
Olaf wins against Jarvan IV 50.76% of the time which is 3.47% higher against Jarvan IV than the average opponent.
After normalising both champions win rates Olaf wins against Jarvan IV 2.51% less often than would be expected.
The average opponent winrate against Jarvan IV is 47.29%.


Hecarim
the Shadow of War
Olaf wins against Hecarim 52.43% of the time which is 5.12% higher against Hecarim than the average opponent.
After normalising both champions win rates Olaf wins against Hecarim 0.86% less often than would be expected.
The average opponent winrate against Hecarim is 47.31%.


Xin Zhao
the Seneschal of Demacia
Olaf wins against Xin Zhao 52.67% of the time which is 5.57% higher against Xin Zhao than the average opponent.
After normalising both champions win rates Olaf wins against Xin Zhao 0.41% less often than would be expected.
The average opponent winrate against Xin Zhao is 47.10%.


Lillia
the Bashful Bloom
Olaf wins against Lillia 54.81% of the time which is 7.83% higher against Lillia than the average opponent.
After normalising both champions win rates Olaf wins against Lillia 1.85% more often than would be expected.
The average opponent winrate against Lillia is 46.98%.


Vi
the Piltover Enforcer
Olaf wins against Vi 55.69% of the time which is 7.22% higher against Vi than the average opponent.
After normalising both champions win rates Olaf wins against Vi 1.23% more often than would be expected.
The average opponent winrate against Vi is 48.47%.


Viego
The Ruined King
Olaf wins against Viego 55.97% of the time which is 7.01% higher against Viego than the average opponent.
After normalising both champions win rates Olaf wins against Viego 1.03% more often than would be expected.
The average opponent winrate against Viego is 48.96%.


Lee Sin
the Blind Monk
Olaf wins against Lee Sin 57.21% of the time which is 8.66% higher against Lee Sin than the average opponent.
After normalising both champions win rates Olaf wins against Lee Sin 2.67% more often than would be expected.
The average opponent winrate against Lee Sin is 48.55%.


Diana
Scorn of the Moon
Olaf wins against Diana 57.28% of the time which is 9.91% higher against Diana than the average opponent.
After normalising both champions win rates Olaf wins against Diana 3.93% more often than would be expected.
The average opponent winrate against Diana is 47.37%.


Graves
the Outlaw
Olaf wins against Graves 61.54% of the time which is 13.51% higher against Graves than the average opponent.
After normalising both champions win rates Olaf wins against Graves 7.52% more often than would be expected.
The average opponent winrate against Graves is 48.03%.


Nocturne
the Eternal Nightmare
Olaf wins against Nocturne 63.25% of the time which is 16.30% higher against Nocturne than the average opponent.
After normalising both champions win rates Olaf wins against Nocturne 10.32% more often than would be expected.
The average opponent winrate against Nocturne is 46.95%.