- Win Rate
- 50.8%
- Pick Rate
- 4.9%
- Ban Rate
- 16.4%
Mordekaiser vs Illaoi
- Patch
- 26.20
- Games
- 6,411
- Lane
- All Lanes
- Tier
- All Tiers
- Last Updated
- Oct 13, 2026 UTC
- Methodology
- Data Methodology
- Author
- Dakota Chinnick
Mordekaiser vs Illaoi is a decisive matchup in LoL patch 26.20. Mordekaiser wins with a 53.1% win rate (+6.2%) over Illaoi based on 145 games. Mordekaiser holds the advantage in both the early and late game. Below you'll find the best Mordekaiser build, runes, laning stats, and strategies for the Mordekaiser vs Illaoi matchup.
Mordekaiser Matchup Breakdown
Use the dropdown to select an opponent and see a detailed breakdown of how Mordekaiser 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 Mordekaiser vs Illaoi?
Mordekaiser wins 54.0% of these games. With this many games the true rate is most likely between 45.7% and 62.1% (95% range).
- Expected
- 50.4% From both champions' overall Top win rates
- Matchup effect
- +3.6 pts Observed minus expected
- Sample
- 137 games Lane: Top
- vs patch 26.19
- −5.3 pts Within normal patch-to-patch noise
Lane: Top · Ranked Solo/Duo & Flex · North America server · All ranks · Patch 26.20 · Oct 9 – Oct 11
Key takeaways
- Current data slightly favors Mordekaiser, but the sample is too limited for a strong conclusion: Mordekaiser wins 54.0% of 137 games (95% range 45.7–62.1%).
- Both champions' overall Top win rates predict 50.4% for Mordekaiser; the result is within the margin of error of that, so this matchup mostly reflects the two champions' general strength.
- Mordekaiser usually wins the lane: 378 gold ahead of Illaoi at 15 minutes on average (134 games with a 15-minute snapshot).
- Mordekaiser players pick Mercury's Treads much less often against Illaoi: 26.8% of their other Top games, 13.1% 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 Mordekaiser and Illaoi 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 Mordekaiser'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.
Mordekaiser vs Illaoi Laning Stats
At 15 minutes
Whole-game averages
Mordekaiser vs Illaoi Win Rate by Game Length
Mordekaiser's win rate against Illaoi 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: Mordekaiser's results against Illaoi in short and long games are within the margin of error of each other.
Mordekaiser vs Illaoi 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)MordekaiserMordekaiser gold at 15: +378
- First itemMordekaiserMordekaiser: 11.4 min · Illaoi: 12.5 min
- Games under 20 minInsufficient data
- 20–30 min gamesEvenMordekaiser wins 61.5% of 52 games
- 30+ min gamesEvenMordekaiser wins 50.0% of 74 games
What Mordekaiser Changes Against Illaoi
Choices Mordekaiser players make noticeably more or less often in this matchup than in their other Top games.
Mercury's TreadsBootsUsually26.8%vs Illaoi13.1%−13.7 pts
Plated SteelcapsBootsUsually58.2%vs Illaoi70.1%+11.9 pts54.2% WR here
RevitalizeRuneUsually66.2%vs Illaoi57.7%−8.5 pts51.9% WR here
Gathering StormRuneUsually22.6%vs Illaoi29.9%+7.3 pts61.0% WR here
Usually6.3%vs Illaoi11.7%+5.4 pts
MorellonomiconItemUsually1.1%vs Illaoi4.4%+3.3 pts
Best Mordekaiser Build vs Illaoi
Usual Mordekaiser build (Top)
68.1% win rate · 69 games
Against Illaoi
60.9% win rate · 23 games
Limited sample: 23 of 93 games finished this exact core, so treat it as an observation rather than a recommendation.
- Mordekaiser usually completes Rylai's Crystal Scepter first, at 11.4 min (median of 97 games).
- Illaoi usually completes Black Cleaver first, at 12.5 min (median of 98 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 Mordekaiser Runes vs Illaoi
Usual Mordekaiser runes (Top)
Conqueror
52.2% win rate · 1,014 games
Against Illaoi
Conqueror67.7% win rate · 31 games
Plan your Mordekaiser 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
Mordekaiser matchup data for League of Legends patch 26.20. The table below shows Mordekaiser'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 Mordekaiser build, runes, laning stats, and early vs late game analysis for that specific matchup.
Other Mordekaiser Matchups
Hardest for Mordekaiser
Easiest for Mordekaiser
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.
Mordekaiser vs Illaoi FAQ - Patch 26.20
Who wins Mordekaiser vs Illaoi?
Current data slightly favors Mordekaiser, but the sample is too limited for a strong conclusion: Mordekaiser wins 54.0% of 137 games (95% range 45.7–62.1%).
What is Mordekaiser's win rate against Illaoi?
Mordekaiser wins 54.0% of 137 Top games against Illaoi on patch 26.20 (95% range 45.7–62.1%). Based on both champions' overall Top win rates, 50.4% would be expected.
Does Mordekaiser counter Illaoi?
Not clearly. Mordekaiser wins 54.0% of 137 games against Illaoi, and the 95% range (45.7–62.1%) includes 50%, so neither champion reliably counters the other on current data.
Who wins lane, Mordekaiser or Illaoi?
Mordekaiser usually wins the lane: 378 gold ahead of Illaoi at 15 minutes on average (134 games with a 15-minute snapshot).
Does Mordekaiser outscale Illaoi?
There are too few games of each length to tell yet.
When is Illaoi strongest against Mordekaiser?
On current data there is no stage of the game where Illaoi is ahead of Mordekaiser beyond the margin of error.
What should Mordekaiser build against Illaoi?
The most successful Mordekaiser core against Illaoi is Liandry's Torment, Riftmaker, Rylai's Crystal Scepter (60.9% over 23 games). The biggest change against Illaoi: Mercury's Treads (26.8% usually, 13.1% here).
What runes should Mordekaiser use against Illaoi?
Conqueror with Precision and Sorcery — 67.7% over 31 games against Illaoi. The biggest change against Illaoi: Revitalize (66.2% usually, 57.7% here).