

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: 1,663,887
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
Presently there is insufficent games played by Olaf top on Patch 15.6 to determine the strongest jungle counters. A matchup requires a minimum of 100 games to be displayed.


Kayn
the Shadow Reaper
Olaf wins against Kayn 43.28% of the time which is 8.96% lower against Kayn than the average opponent.
After normalising both champions win rates Olaf wins against Kayn 1.70% less often than would be expected.
The average opponent winrate against Kayn is 52.24%.


Viego
The Ruined King
Olaf wins against Viego 43.40% of the time which is 9.36% lower against Viego than the average opponent.
After normalising both champions win rates Olaf wins against Viego 2.10% less often than would be expected.
The average opponent winrate against Viego is 52.76%.


Master Yi
the Wuju Bladesman
Olaf wins against Master Yi 44.67% of the time which is 7.78% lower against Master Yi than the average opponent.
After normalising both champions win rates Olaf wins against Master Yi 0.52% less often than would be expected.
The average opponent winrate against Master Yi is 52.45%.


Warwick
the Uncaged Wrath of Zaun
Olaf wins against Warwick 45.58% of the time which is 4.38% lower against Warwick than the average opponent.
After normalising both champions win rates Olaf wins against Warwick 2.87% more often than would be expected.
The average opponent winrate against Warwick is 49.96%.


Nocturne
the Eternal Nightmare
Olaf wins against Nocturne 53.13% of the time which is 2.18% higher against Nocturne than the average opponent.
After normalising both champions win rates Olaf wins against Nocturne 9.44% more often than would be expected.
The average opponent winrate against Nocturne is 50.95%.