- Win Rate
- 51.2%
- Pick Rate
- 1.8%
- Ban Rate
- 3.1%
Olaf vs Jax
- Patch
- 26.22
- Games
- 3,480
- Lane
- All Lanes
- Tier
- All Tiers
- Last Updated
- Nov 14, 2026 UTC
- Author
- Dakota Chinnick
- Methodology
- Data Methodology
Olaf vs Jax (Top): Olaf wins 46.5% of 159 ranked games over the last 2 patches (gold diff at 15: +59). Patch 26.22 build & runes.
Olaf46.5%
Current data slightly favors Jax, but the sample is too limited for a strong conclusion: Olaf wins 46.5% of 159 games (95% range 39.0–54.3%).
Olaf Matchup Breakdown
Use the dropdown to select an opponent and see a detailed breakdown of how Olaf performs against them. You'll get head-to-head win rates, laning stats, the best build and runes for the matchup, and early vs late game analysis — all based on real ranked data.
Who wins Olaf vs Jax?
Olaf wins 46.5% of these games. With this many games the true rate is most likely between 39.0% and 54.3% (95% range).
- Expected
- 50.2% From both champions' overall Top win rates
- Matchup effect
- −3.7 pts Observed minus expected
- Sample
- 159 games Lane: Top · Patch 26.21–26.22
- vs patch 26.21
- −4.2 pts Within normal patch-to-patch noise
Lane: Top · Ranked Solo/Duo & Flex · North America server · All ranks · Patch 26.21–26.22 · Oct 27 – Nov 13
The headline win rate covers patches 26.21–26.22 (159 games). The lane, game-length, build and rune sections below use patch 26.22 only (100 games).
They also met in another lane (Jungle): 3 games, Olaf won 100.0%.
Key takeaways
- Current data slightly favors Jax, but the sample is too limited for a strong conclusion: Olaf wins 46.5% of 159 games (95% range 39.0–54.3%).
- Both champions' overall Top win rates predict 50.2% for Olaf; the result is within the margin of error of that, so this matchup mostly reflects the two champions' general strength.
- Neither side reliably wins the lane: the average gold difference at 15 minutes is 59, within the margin of error (97 games).
- Olaf players pick Flash + Ghost much less often against Jax: 61.1% of their other Top games, 39.0% here.
How we calculate this
Games: ranked Solo/Duo and Flex games on the North America server from the patch shown. Remakes (games under 5 minutes) are excluded.
A game only counts when Olaf and Jax played the same position on opposite teams, so roaming, lane swaps within a team or a champion merely being in the same game never count as this matchup.
The 95% range is a Wilson score interval. Confidence comes from how wide that range is: within ±3 points is very high, ±5 high, ±8 moderate, anything wider low. Below 20 games a matchup is not classified at all.
Expected win rate combines both champions’ win rates in this lane (same games and filters) with the log5 formula: E = A(1−B) / (A(1−B) + B(1−A)). Matchup effect = observed − expected.
"What changes" compares Olaf's choices in this matchup with the same champion's other games in the same lane, and lists a change only when it is at least 3 points and statistically significant (two-proportion z-test, |z| ≥ 2, 20+ games).
Results are not split by rank: the sample per rank is too small for honest per-rank matchup numbers.
Olaf vs Jax Laning Stats
At 15 minutes
Whole-game averages
Olaf vs Jax Win Rate by Game Length
Olaf's win rate against Jax by game length. The dot is the win rate, the bar its 95% range and the dashed line the champion's usual win rate at that length. Lengths with fewer than 25 games are left blank.
No game length stands out: Olaf's results against Jax in short and long games are within the margin of error of each other.
Olaf vs Jax Power Spikes
Who is ahead at each stage, measured from these games. A stage reads "Even" when the difference is inside the margin of error, and "Insufficient data" when there are too few games to tell.
- Lane (15 min)EvenOlaf gold at 15: +59
- First itemJaxOlaf: 13.0 min · Jax: 12.4 min
- Games under 20 minInsufficient data
- 20–30 min gamesEvenOlaf wins 48.0% of 50 games
- 30+ min gamesInsufficient data
What Olaf Changes Against Jax
Choices Olaf players make noticeably more or less often in this matchup than in their other Top games.
Flash + GhostSummoner spellsUsually61.1%vs Jax39.0%−22.1 pts43.6% WR here
Exhaust + FlashSummoner spellsUsually16.7%vs Jax34.0%+17.3 pts38.2% WR here
Health Scaling (defense)Stat shardUsually73.6%vs Jax59.0%−14.6 pts50.8% WR here- Health (defense)Stat shardUsually25.7%vs Jax40.0%+14.3 pts37.5% WR here
- E > Q > Wthe E > Q > W skill orderSkill priorityUsually5.4%vs Jax17.0%+11.6 pts
Plated SteelcapsBootsUsually63.9%vs Jax74.0%+10.1 pts45.9% WR here- Q > E > Wthe Q > E > W skill orderSkill priorityUsually88.2%vs Jax79.0%−9.2 pts44.3% WR here
Flash + IgniteSummoner spellsUsually13.3%vs Jax6.0%−7.3 pts
Best Olaf Build vs Jax
Usual Olaf build (Top)
78.1% win rate · 32 games
Against Jax
Not enough matchup-specific build data: only 14 of 46 Olaf games against Jax carried a complete build, which is too few to recommend an item path from. Use Olaf's standard build instead.
- Olaf usually completes Stridebreaker first, at 13.0 min (median of 47 games).
- Jax usually completes Trinity Force first, at 12.4 min (median of 78 games).
- Skill priority: Q > E > W — the same as usual.
Builds are ranked by the lower edge of their win rate range, not the raw win rate, so a build seen in a handful of wins never outranks a proven one.
Best Olaf Runes vs Jax
Usual Olaf runes (Top)
Conqueror
68.4% win rate · 38 games
Against Jax
Conqueror
70.4% win rate · 27 games
Plan your Olaf draft in Draft Lab
Draft Lab lays out both teams lane by lane with live matchup win rates, damage profiles and game-phase lean, and suggests picks and bans from current meta data.
- Full 5v5 draft board
- Lane matchup win rates
- Pick and ban suggestions
Olaf matchup data for League of Legends patch 26.22. The table below shows Olaf's win rate, gold difference, and performance stats against every champion in the current meta. Click any champion name to see a detailed head-to-head breakdown including the best Olaf build, runes, laning stats, and early vs late game analysis for that specific matchup.
Other Olaf Matchups
Hardest for Olaf
Easiest for Olaf
Win rate and games for each matchup. Lists are ranked by the edge of the 95% range so small samples cannot top them; matchups with at least 50 games only.
Help us maintain accuracy! If you notice incorrect stats, missing data, or any issues, your feedback directly improves the quality of our data for the entire community.
Olaf vs Jax FAQ - Patch 26.21–26.22
Who wins Olaf vs Jax?
Current data slightly favors Jax, but the sample is too limited for a strong conclusion: Olaf wins 46.5% of 159 games (95% range 39.0–54.3%).
What is Olaf's win rate against Jax?
Olaf wins 46.5% of 159 Top games against Jax on patch 26.21–26.22 (95% range 39.0–54.3%). Based on both champions' overall Top win rates, 50.2% would be expected.
Does Olaf counter Jax?
Not clearly. Olaf wins 46.5% of 159 games against Jax, and the 95% range (39.0–54.3%) includes 50%, so neither champion reliably counters the other on current data.
Who wins lane, Olaf or Jax?
Neither side reliably wins the lane: the average gold difference at 15 minutes is 59, within the margin of error (97 games).
Does Olaf outscale Jax?
There are too few games of each length to tell yet.
When is Jax strongest against Olaf?
Jax is measurably ahead in: First item.
What should Olaf build against Jax?
There are not enough games for a matchup-specific core, so use Olaf's usual Top core: Death's Dance, Ravenous Hydra, Lord Dominik's Regards. The biggest change against Jax: Plated Steelcaps (63.9% usually, 74.0% here).
What runes should Olaf use against Jax?
Conqueror with Precision and Inspiration — 70.4% over 27 games against Jax. The biggest change against Jax: Flash + Ghost (61.1% usually, 39.0% here).