![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![emerald_plus](https://cdn5.lolalytics.com/emblem40/emerald.webp)
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: 28,734,308
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](https://cdn5.lolalytics.com/champ140/olaf.webp)
![top lane](https://cdn5.lolalytics.com/lane27/top.webp)
Olaf Counters
Olaf top vs support Counters
Olaf top on Patch 14.8 is the strongest counter to support champions of Veigar, Twitch & Hwei. While Olaf top is countered most by support champions of Gragas, Shen & Brand. Below is a detailed breakdown of Olaf top counters against support champions with a minimum of 100 games.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Gragas](https://cdn5.lolalytics.com/champx46/gragas.webp)
Gragas
il provocatore delle masse
Olaf wins against Gragas 45.10% of the time which is 3.85% lower against Gragas than the average opponent.
After normalising both champions win rates Olaf wins against Gragas 8.95% less often than would be expected.
The average opponent winrate against Gragasis 48.95%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Shen](https://cdn5.lolalytics.com/champx46/shen.webp)
Shen
l'occhio del crepuscolo
Olaf wins against Shen 49.40% of the time which is 0.73% higher against Shen than the average opponent.
After normalising both champions win rates Olaf wins against Shen 4.37% less often than would be expected.
The average opponent winrate against Shenis 48.67%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Brand](https://cdn5.lolalytics.com/champx46/brand.webp)
Brand
la vendetta ardente
Olaf wins against Brand 49.55% of the time which is 2.31% higher against Brand than the average opponent.
After normalising both champions win rates Olaf wins against Brand 2.79% less often than would be expected.
The average opponent winrate against Brandis 47.24%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Annie](https://cdn5.lolalytics.com/champx46/annie.webp)
Annie
la bambina oscura
Olaf wins against Annie 49.69% of the time which is 1.02% higher against Annie than the average opponent.
After normalising both champions win rates Olaf wins against Annie 4.08% less often than would be expected.
The average opponent winrate against Annieis 48.67%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Janna](https://cdn5.lolalytics.com/champx46/janna.webp)
Janna
la furia della tempesta
Olaf wins against Janna 49.85% of the time which is 3.63% higher against Janna than the average opponent.
After normalising both champions win rates Olaf wins against Janna 1.47% less often than would be expected.
The average opponent winrate against Jannais 46.22%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Bard](https://cdn5.lolalytics.com/champx46/bard.webp)
Bard
il custode errante
Olaf wins against Bard 50.00% of the time which is 2.11% higher against Bard than the average opponent.
After normalising both champions win rates Olaf wins against Bard 2.99% less often than would be expected.
The average opponent winrate against Bardis 47.89%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![LeBlanc](https://cdn5.lolalytics.com/champx46/leblanc.webp)
LeBlanc
l'ingannatrice
Olaf wins against LeBlanc 50.00% of the time which is 1.19% higher against LeBlanc than the average opponent.
After normalising both champions win rates Olaf wins against LeBlanc 3.91% less often than would be expected.
The average opponent winrate against LeBlancis 48.81%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Milio](https://cdn5.lolalytics.com/champx46/milio.webp)
Milio
La fiamma gentile
Olaf wins against Milio 50.04% of the time which is 2.10% higher against Milio than the average opponent.
After normalising both champions win rates Olaf wins against Milio 3.00% less often than would be expected.
The average opponent winrate against Miliois 47.94%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Taric](https://cdn5.lolalytics.com/champx46/taric.webp)
Taric
lo scudo di Valoran
Olaf wins against Taric 50.49% of the time which is 4.83% higher against Taric than the average opponent.
After normalising both champions win rates Olaf wins against Taric 0.26% less often than would be expected.
The average opponent winrate against Taricis 45.66%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Poppy](https://cdn5.lolalytics.com/champx46/poppy.webp)
Poppy
la custode del martello
Olaf wins against Poppy 50.83% of the time which is 5.31% higher against Poppy than the average opponent.
After normalising both champions win rates Olaf wins against Poppy 0.22% more often than would be expected.
The average opponent winrate against Poppyis 45.52%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Camille](https://cdn5.lolalytics.com/champx46/camille.webp)
Camille
l'ombra d'acciaio
Olaf wins against Camille 51.16% of the time which is 1.77% higher against Camille than the average opponent.
After normalising both champions win rates Olaf wins against Camille 3.33% less often than would be expected.
The average opponent winrate against Camilleis 49.39%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Zilean](https://cdn5.lolalytics.com/champx46/zilean.webp)
Zilean
il custode del tempo
Olaf wins against Zilean 51.17% of the time which is 3.94% higher against Zilean than the average opponent.
After normalising both champions win rates Olaf wins against Zilean 1.16% less often than would be expected.
The average opponent winrate against Zileanis 47.23%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Renata Glasc](https://cdn5.lolalytics.com/champx46/renata.webp)
Renata Glasc
la Baronessa chimica
Olaf wins against Renata Glasc 51.60% of the time which is 4.28% higher against Renata Glasc than the average opponent.
After normalising both champions win rates Olaf wins against Renata Glasc 0.82% less often than would be expected.
The average opponent winrate against Renata Glascis 47.32%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Rumble](https://cdn5.lolalytics.com/champx46/rumble.webp)
Rumble
la minaccia meccanizzata
Olaf wins against Rumble 51.60% of the time which is 0.83% lower against Rumble than the average opponent.
After normalising both champions win rates Olaf wins against Rumble 5.91% less often than would be expected.
The average opponent winrate against Rumbleis 52.43%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Pyke](https://cdn5.lolalytics.com/champx46/pyke.webp)
Pyke
lo squartatore del porto insanguinato
Olaf wins against Pyke 51.63% of the time which is 4.19% higher against Pyke than the average opponent.
After normalising both champions win rates Olaf wins against Pyke 0.91% less often than would be expected.
The average opponent winrate against Pykeis 47.44%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Soraka](https://cdn5.lolalytics.com/champx46/soraka.webp)
Soraka
la figlia delle stelle
Olaf wins against Soraka 51.74% of the time which is 4.82% higher against Soraka than the average opponent.
After normalising both champions win rates Olaf wins against Soraka 0.28% less often than would be expected.
The average opponent winrate against Sorakais 46.92%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Nami](https://cdn5.lolalytics.com/champx46/nami.webp)
Nami
lo spirito delle maree
Olaf wins against Nami 52.06% of the time which is 4.79% higher against Nami than the average opponent.
After normalising both champions win rates Olaf wins against Nami 0.31% less often than would be expected.
The average opponent winrate against Namiis 47.27%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Maokai](https://cdn5.lolalytics.com/champx46/maokai.webp)
Maokai
il treant demoniaco
Olaf wins against Maokai 52.31% of the time which is 4.46% higher against Maokai than the average opponent.
After normalising both champions win rates Olaf wins against Maokai 0.64% less often than would be expected.
The average opponent winrate against Maokaiis 47.85%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Sona](https://cdn5.lolalytics.com/champx46/sona.webp)
Sona
maestra delle corde
Olaf wins against Sona 52.37% of the time which is 6.26% higher against Sona than the average opponent.
After normalising both champions win rates Olaf wins against Sona 1.16% more often than would be expected.
The average opponent winrate against Sonais 46.11%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Skarner](https://cdn5.lolalytics.com/champx46/skarner.webp)
Skarner
il Sovrano primordiale
Olaf wins against Skarner 52.37% of the time which is 4.96% higher against Skarner than the average opponent.
After normalising both champions win rates Olaf wins against Skarner 0.14% less often than would be expected.
The average opponent winrate against Skarneris 47.41%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Vel'Koz](https://cdn5.lolalytics.com/champx46/velkoz.webp)
Vel'Koz
l'occhio del Vuoto
Olaf wins against Vel'Koz 52.60% of the time which is 5.63% higher against Vel'Koz than the average opponent.
After normalising both champions win rates Olaf wins against Vel'Koz 0.53% more often than would be expected.
The average opponent winrate against Vel'Kozis 46.97%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Yuumi](https://cdn5.lolalytics.com/champx46/yuumi.webp)
Yuumi
la gattina magica
Olaf wins against Yuumi 52.62% of the time which is 3.08% higher against Yuumi than the average opponent.
After normalising both champions win rates Olaf wins against Yuumi 2.02% less often than would be expected.
The average opponent winrate against Yuumiis 49.54%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Lulu](https://cdn5.lolalytics.com/champx46/lulu.webp)
Lulu
la sacerdotessa delle fate
Olaf wins against Lulu 52.64% of the time which is 4.43% higher against Lulu than the average opponent.
After normalising both champions win rates Olaf wins against Lulu 0.67% less often than would be expected.
The average opponent winrate against Luluis 48.21%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Zyra](https://cdn5.lolalytics.com/champx46/zyra.webp)
Zyra
La dama dei rovi
Olaf wins against Zyra 52.67% of the time which is 5.84% higher against Zyra than the average opponent.
After normalising both champions win rates Olaf wins against Zyra 0.74% more often than would be expected.
The average opponent winrate against Zyrais 46.83%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Senna](https://cdn5.lolalytics.com/champx46/senna.webp)
Senna
la Redentrice
Olaf wins against Senna 52.72% of the time which is 4.38% higher against Senna than the average opponent.
After normalising both champions win rates Olaf wins against Senna 0.72% less often than would be expected.
The average opponent winrate against Sennais 48.34%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Taliyah](https://cdn5.lolalytics.com/champx46/taliyah.webp)
Taliyah
la tessitrice di pietre
Olaf wins against Taliyah 53.00% of the time which is 5.14% higher against Taliyah than the average opponent.
After normalising both champions win rates Olaf wins against Taliyah 0.04% more often than would be expected.
The average opponent winrate against Taliyahis 47.86%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Tahm Kench](https://cdn5.lolalytics.com/champx46/tahmkench.webp)
Tahm Kench
Il re del fiume
Olaf wins against Tahm Kench 53.05% of the time which is 4.70% higher against Tahm Kench than the average opponent.
After normalising both champions win rates Olaf wins against Tahm Kench 0.40% less often than would be expected.
The average opponent winrate against Tahm Kenchis 48.35%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Rakan](https://cdn5.lolalytics.com/champx46/rakan.webp)
Rakan
l'ammaliatore
Olaf wins against Rakan 53.23% of the time which is 5.35% higher against Rakan than the average opponent.
After normalising both champions win rates Olaf wins against Rakan 0.25% more often than would be expected.
The average opponent winrate against Rakanis 47.88%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Fiddlesticks](https://cdn5.lolalytics.com/champx46/fiddlesticks.webp)
Fiddlesticks
l'antico terrore
Olaf wins against Fiddlesticks 53.33% of the time which is 5.74% higher against Fiddlesticks than the average opponent.
After normalising both champions win rates Olaf wins against Fiddlesticks 0.64% more often than would be expected.
The average opponent winrate against Fiddlesticksis 47.59%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Rell](https://cdn5.lolalytics.com/champx46/rell.webp)
Rell
la Vergine di ferro
Olaf wins against Rell 53.39% of the time which is 5.82% higher against Rell than the average opponent.
After normalising both champions win rates Olaf wins against Rell 0.72% more often than would be expected.
The average opponent winrate against Rellis 47.57%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Blitzcrank](https://cdn5.lolalytics.com/champx46/blitzcrank.webp)
Blitzcrank
il grande golem a vapore
Olaf wins against Blitzcrank 53.55% of the time which is 6.34% higher against Blitzcrank than the average opponent.
After normalising both champions win rates Olaf wins against Blitzcrank 1.24% more often than would be expected.
The average opponent winrate against Blitzcrankis 47.21%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Zac](https://cdn5.lolalytics.com/champx46/zac.webp)
Zac
l'arma segreta
Olaf wins against Zac 53.67% of the time which is 5.76% higher against Zac than the average opponent.
After normalising both champions win rates Olaf wins against Zac 0.66% more often than would be expected.
The average opponent winrate against Zacis 47.91%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Lux](https://cdn5.lolalytics.com/champx46/lux.webp)
Lux
la signora della luminosità
Olaf wins against Lux 53.72% of the time which is 4.82% higher against Lux than the average opponent.
After normalising both champions win rates Olaf wins against Lux 0.28% less often than would be expected.
The average opponent winrate against Luxis 48.90%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Seraphine](https://cdn5.lolalytics.com/champx46/seraphine.webp)
Seraphine
la cantante sognatrice
Olaf wins against Seraphine 53.74% of the time which is 5.85% higher against Seraphine than the average opponent.
After normalising both champions win rates Olaf wins against Seraphine 0.75% more often than would be expected.
The average opponent winrate against Seraphineis 47.89%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Alistar](https://cdn5.lolalytics.com/champx46/alistar.webp)
Alistar
il minotauro
Olaf wins against Alistar 53.98% of the time which is 5.62% higher against Alistar than the average opponent.
After normalising both champions win rates Olaf wins against Alistar 0.52% more often than would be expected.
The average opponent winrate against Alistaris 48.36%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Thresh](https://cdn5.lolalytics.com/champx46/thresh.webp)
Thresh
Il carceriere
Olaf wins against Thresh 53.98% of the time which is 6.06% higher against Thresh than the average opponent.
After normalising both champions win rates Olaf wins against Thresh 0.96% more often than would be expected.
The average opponent winrate against Threshis 47.92%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Galio](https://cdn5.lolalytics.com/champx46/galio.webp)
Galio
il colosso
Olaf wins against Galio 54.44% of the time which is 6.59% higher against Galio than the average opponent.
After normalising both champions win rates Olaf wins against Galio 1.49% more often than would be expected.
The average opponent winrate against Galiois 47.85%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Leona](https://cdn5.lolalytics.com/champx46/leona.webp)
Leona
l'alba raggiante
Olaf wins against Leona 54.60% of the time which is 7.73% higher against Leona than the average opponent.
After normalising both champions win rates Olaf wins against Leona 2.63% more often than would be expected.
The average opponent winrate against Leonais 46.87%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Morgana](https://cdn5.lolalytics.com/champx46/morgana.webp)
Morgana
la Caduta
Olaf wins against Morgana 54.79% of the time which is 6.37% higher against Morgana than the average opponent.
After normalising both champions win rates Olaf wins against Morgana 1.27% more often than would be expected.
The average opponent winrate against Morganais 48.42%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Neeko](https://cdn5.lolalytics.com/champx46/neeko.webp)
Neeko
la camaleonte curiosa
Olaf wins against Neeko 54.80% of the time which is 6.05% higher against Neeko than the average opponent.
After normalising both champions win rates Olaf wins against Neeko 0.95% more often than would be expected.
The average opponent winrate against Neekois 48.75%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Karma](https://cdn5.lolalytics.com/champx46/karma.webp)
Karma
l'illuminata
Olaf wins against Karma 54.81% of the time which is 3.48% higher against Karma than the average opponent.
After normalising both champions win rates Olaf wins against Karma 1.61% less often than would be expected.
The average opponent winrate against Karmais 51.33%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Heimerdinger](https://cdn5.lolalytics.com/champx46/heimerdinger.webp)
Heimerdinger
il riverito inventore
Olaf wins against Heimerdinger 54.87% of the time which is 5.92% higher against Heimerdinger than the average opponent.
After normalising both champions win rates Olaf wins against Heimerdinger 0.82% more often than would be expected.
The average opponent winrate against Heimerdingeris 48.95%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Sylas](https://cdn5.lolalytics.com/champx46/sylas.webp)
Sylas
il rivoluzionario scatenato
Olaf wins against Sylas 55.11% of the time which is 5.23% higher against Sylas than the average opponent.
After normalising both champions win rates Olaf wins against Sylas 0.13% more often than would be expected.
The average opponent winrate against Sylasis 49.88%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Shaco](https://cdn5.lolalytics.com/champx46/shaco.webp)
Shaco
il demone giullare
Olaf wins against Shaco 55.40% of the time which is 6.67% higher against Shaco than the average opponent.
After normalising both champions win rates Olaf wins against Shaco 1.57% more often than would be expected.
The average opponent winrate against Shacois 48.73%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Malphite](https://cdn5.lolalytics.com/champx46/malphite.webp)
Malphite
la scheggia del monolite
Olaf wins against Malphite 55.65% of the time which is 1.90% higher against Malphite than the average opponent.
After normalising both champions win rates Olaf wins against Malphite 3.16% less often than would be expected.
The average opponent winrate against Malphiteis 53.75%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Braum](https://cdn5.lolalytics.com/champx46/braum.webp)
Braum
il cuore del Freljord
Olaf wins against Braum 55.74% of the time which is 9.11% higher against Braum than the average opponent.
After normalising both champions win rates Olaf wins against Braum 4.01% more often than would be expected.
The average opponent winrate against Braumis 46.63%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Nautilus](https://cdn5.lolalytics.com/champx46/nautilus.webp)
Nautilus
il titano delle profondità
Olaf wins against Nautilus 56.08% of the time which is 5.92% higher against Nautilus than the average opponent.
After normalising both champions win rates Olaf wins against Nautilus 0.82% more often than would be expected.
The average opponent winrate against Nautilusis 50.16%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Pantheon](https://cdn5.lolalytics.com/champx46/pantheon.webp)
Pantheon
la lancia indistruttibile
Olaf wins against Pantheon 56.38% of the time which is 6.65% higher against Pantheon than the average opponent.
After normalising both champions win rates Olaf wins against Pantheon 1.55% more often than would be expected.
The average opponent winrate against Pantheonis 49.73%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Xerath](https://cdn5.lolalytics.com/champx46/xerath.webp)
Xerath
il magus ascendente
Olaf wins against Xerath 56.86% of the time which is 8.11% higher against Xerath than the average opponent.
After normalising both champions win rates Olaf wins against Xerath 3.01% more often than would be expected.
The average opponent winrate against Xerathis 48.75%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Ashe](https://cdn5.lolalytics.com/champx46/ashe.webp)
Ashe
l'arciere dei ghiacci
Olaf wins against Ashe 57.16% of the time which is 4.97% higher against Ashe than the average opponent.
After normalising both champions win rates Olaf wins against Ashe 0.11% less often than would be expected.
The average opponent winrate against Asheis 52.19%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Amumu](https://cdn5.lolalytics.com/champx46/amumu.webp)
Amumu
la mummia triste
Olaf wins against Amumu 58.09% of the time which is 9.54% higher against Amumu than the average opponent.
After normalising both champions win rates Olaf wins against Amumu 4.44% more often than would be expected.
The average opponent winrate against Amumuis 48.55%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Teemo](https://cdn5.lolalytics.com/champx46/teemo.webp)
Teemo
il rapido scout
Olaf wins against Teemo 58.23% of the time which is 8.95% higher against Teemo than the average opponent.
After normalising both champions win rates Olaf wins against Teemo 3.85% more often than would be expected.
The average opponent winrate against Teemois 49.28%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Swain](https://cdn5.lolalytics.com/champx46/swain.webp)
Swain
il gran generale di Noxus
Olaf wins against Swain 58.68% of the time which is 8.08% higher against Swain than the average opponent.
After normalising both champions win rates Olaf wins against Swain 2.98% more often than would be expected.
The average opponent winrate against Swainis 50.60%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Hwei](https://cdn5.lolalytics.com/champx46/hwei.webp)
Hwei
Il visionario
Olaf wins against Hwei 59.64% of the time which is 8.20% higher against Hwei than the average opponent.
After normalising both champions win rates Olaf wins against Hwei 3.11% more often than would be expected.
The average opponent winrate against Hweiis 51.44%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Twitch](https://cdn5.lolalytics.com/champx46/twitch.webp)
Twitch
il ratto della peste
Olaf wins against Twitch 60.45% of the time which is 5.88% higher against Twitch than the average opponent.
After normalising both champions win rates Olaf wins against Twitch 0.83% more often than would be expected.
The average opponent winrate against Twitchis 54.57%.
![Olaf](https://cdn5.lolalytics.com/champx46/olaf.webp)
![Veigar](https://cdn5.lolalytics.com/champx46/veigar.webp)
Veigar
il piccolo genio del male
Olaf wins against Veigar 61.54% of the time which is 9.79% higher against Veigar than the average opponent.
After normalising both champions win rates Olaf wins against Veigar 4.70% more often than would be expected.
The average opponent winrate against Veigaris 51.75%.